Director

Professor Ognyan I. Kolev, M.D., Ph.D., D.Sc.
- Graduated:
- 1979 - Medical University, Sofia
- Medical licensure:
- 1979 M.D. degree
- Board certified:
- in neurology - 1986
- Training:
-
1985 - Ph.D. thesis: "Audio-Vestibular Disturbances in Patients with Early Cerebrovascular Insufficiency".
1999 - D.Sc. thesis: "Functional Aspects of the Vestibular System in Parallel with Other Sensory Systems in Norm and Pathology". - Current position:
- Associate Professor in neurology, Medical University - Sofia
Professor of Neurology and Head of Outpatients department 2003 - at present.
Deputy Director of Science 2008 - at present. - Professional experience:
-
- General Medicine Practitioner (and specializing Internal diseases) - Regional Hospital in Stara Zagora, 1980-1982.
- Postgraduate Student - Institute of Neurology, Psychiatry & Neurosurgery, Medical Academy, 1982-1985.
- Assistant Professor - Section of Neuro-Otology, Medical University - Sofia, University Hospital of Neurology, Psychiatry, 1985 - 1995.
- Professor of Neurology and Head of Ambulatory Care Center 2003 - at present.
- Deputy Director of Science 2008 -at present.
- Senior Research Associate - University of Texas, Galveston, TX, USA, 1990.
- Senior Research Associate - Link?ping University, Sweden, 1991.
- Senior Research Associate - Freiburg University, Freiburg i Br., Germany, 1993.
- Senior Research Associate - NASA, Johnson Space Center, Houston, USA, 1995 - 1997.
- Associate Professor of Neurology - Head of Section of Neuro-Otology, Medical University - Sofia,
- Senior Research Associate - Munich University, Munich, Germany 1999-2000.
- Senior Scientist - Naval Aerospace Medical Research Laboratory, Pensacola, Florida, USA, 2002-2004.
- International Scientific Collaborations:
-
October through November 1988, training and joint study on vestibulo-visual interactions and dynamic posturography in Jenks Vestibular Laboratory, Harvard University, School of Medicine (Boston, MA, USA).
October 1989 through January 1990, joint research in the Vestibular Laboratory of the Harvard University, School of Medicine (Boston, USA). Topics of research - investigation of the after image movement following vestibular stimulation; evaluation of bilateral vestibular hypofunction as measured by sinusoidal rotation and by dynamic posturography; dynamic posturography for the purpose of monitoring the treatment of multiple sclerosis.
March through September 1990, joint research in the Division of Physiology & Biophysics of the Department of Otolaryngology, University of Texas Medical Branch at Galveston, Texas (USA) and the Naval Aerospace Medical Research Laboratory in Pensacola, Florida (USA). Topic of research - influence of the gravity (pitch tilt) on the vertical optokinetic nystagmus and after-nystagmus (measured by ISCAN technique).
November 1990 through August 1991, joint research in Departments of Otolaryngology, Neurophysiology, Biomedical Engineering, Audiology, Anaesthesiology and Balance Lab of the Link?ping University Hospital, Sweden. Topics of research - influence of the motion sickness, caloric vestibular stimulations, skin caloric, auditory and visual stimuli on skin blood flow (measured by laser Doppler technique) and perspiration of normal subjects, patients under general anesthesia and patients with Parkinson disease. Habituation of the autonomic reflexes.
March through April 1993, collaboration in NASA-USRA, Division for Space Life Sciences, Houston, USA. Topic of the collaboration: Diagnostic criteria for grading the severity of motion sickness - ANS aspect.
July 1993 through January 1994, joint research in Freiburg University, Neurologic Clinic, Freiburg, Germany. Topic of the research: visual-vestibular-proprioceptive interactions in self- and object motion perception (and modeling the perception).
October 1995 through December 1997, joint research in NASA, Johnson Space Center. Topic of the research: Eye and head coordination. Space sickness, spatial orientation and disorientation. The collaboration continues at present.
December 1999 through April 2000, joint research in Ludwig-Maximilians University, Neurologic Clinic, Munich, Germany. Topic of research - vestibulo (sacculo)-colic and vestibulo-postural reflexes in normal subjects and patients with bilateral vestibular deficit (EMG and Kinematics of head, body and legs).
September 2002 - through January 2004, joint research in Naval Aerospace Medical Research Laboratory in Pensacola, Florida (USA), conducting 3 projects on visual, vestibular, somatosensory, and auditory interactions.
2005 through 2007 joint research in the Laboratory of Physiology of Perception of College de France, CNRS, Paris, (France). (Seven visits during the aforementioned period). Grant from the French Space Agency CENTRE NATIONAL D'ETUDES SPATIALES (CNES) - granted joint project: "Effets des variations de gravit? sur de le controle de la locomotion humaine". Topic of research - changes in locomotion pattern during different conditions of walking, and Centre National de la Recherche Scientifique (CNRS).
2008 February through March - Harvard Medical School, Vestibular Physiology Laboratory, on perceptual threshold for self-motion perception in condition of sensory interaction during vertical axis rotation.
2008 December through April 2009 - Harvard Medical School, Vestibular Physiology Laboratory, on perceptual threshold for self motion perception in condition of sensory interaction comparing rotation in earth horizontal and earth vertical axis rotation - for normal humans and patients with bilateral vestibular deficit. - Professional affiliations:
-
Honorary Member of the Bulgarian National Academy of Medicine (Elected March 2, 2005).
Member of the Barany Society (since 1987). Participant in the Barany Society Meetings in Tokyo (Japan) 1990; in Prague (Czechoslovakia) 1992; in Uppsala (Sweden) 1994 and 2006; in Sydney (Australia) 1996; in Paris 2004; in Uppsala (Sweden) 2006, in Kyoto (Japan) 2008, Reykjavik (Iceland) 2010, and Uppsala (Sweden) 2012.
Foreign member of the American Society for Neuroscience (1990).
Member of the International Brain Research Organization (1991).
Invited participant of the International, Neurootological & Equilibriometric Society Meetings: Bad Kissingen (Germany) - 1984, 1986 and 1988; New Orleans (USA) - 1985, Sao Paulo (Brazil) - 1987.
Member of the Bulgarian Societies of Neurology.
Member of editorial board of:- Journal of Bulgarian Neurology;
- Journal of Cerebrovascular disease;
- Journal of Neurology, Psychiatry and Neurosurgery.
- Awards:
-
1. October 2000 - Medal from Ludwig-Maximilians University, Munich, Germany, for Scientific Contribution 1999-2000.
2. March 2004 - Scientific Achievement Award from Naval Aerospace Medical Research Laboratory, Pensacola, Florida, USA, Recognition for Research on Multi-Sensory Integration for Orientation in Space. Plaque.
3. October 2004 - Commendation - for outstanding support provided to U.S. Naval Aerospace Medical Research Laboratory, Pensacola, Florida as a distinguished visiting scientist (2002-2004). Serving as a Co-Principal Investigator and collaborating scientist with NASA. For successful completion of the "Vestibular -Visual-Tactile-Auditory Interaction for Sensory Integration in the Orientation in Space" project which will improve pilot orientation during flight and reduce mortality rates due to spatial orientation mishaps.
Naval Aerospace Medical Research Laboratory, Florida, USA.
4. June 2003 - Award from NASA, Houston, Texas, USA, for scientific contribution for NASA Space Flights, USA.
5. February 2014 - NASA Certificate of excellence, for 22 years scientific contribution for NASA Space Flights, Johnson Space Center, Houston, Texas, USA. - Scientific publications:
- over 90, 31 of them in international journals
- Language:
- English and Russian very good.
Senior nurse
Consultation of all types of diseases of the central nervous system and the peripheral nervous system. Expert medical examinations of patients with Parkinson`s disease and Epilepsy. Initial medical examinations of patients before hospitalization. The office works with NHIF (National Health Insurance Fund).
Working hours from Monday to Friday: 8:00 am - 2:30 pm
+359 2/ 9702 137 (11.30 am - 2.30 pm)
SCHEDULE for activities in the NEUROLOGY ADMISSION AND CONSULTATION OFFICE
From 08.00 a.m. to 11.00 a.m. - Admission of patients (emergency and included in the lists for planned admission)
From 11.00 a.m. to 1.30 p.m. - Outpatient examinations, planning for hospitalization and follow-up examinations
From 1:30 p.m. to 2:30 p.m. - Issuance of expert opinions and protocols and updating of lists for planned admission
Resident doctor

Georgi Kesikov, MD
- Graduated:
- School of Medicine, University of Sofia - 1999
- Medical licensure:
- M.D. Degree, 1999.
- Board certified:
- in neurology - 2011.
- Training:
- Practical course in Doppler Sonography, Electroencephalography.
- Professional qualification:
- Higher qualification in ultrasound diagnostics of nerve diseases in 2014. Higher qualification in Electroencephalography in 2014
- Current position:
- Medical doctor at Clinic of intensive treatment of neurological diseases, MHATNP " St Naum " since 2010
- Professional experience:
- Medical doctor at Department of movement disorders, UH "St. Naum", Sofia, Bulgaria from 2007 to 2010
General practitioner from 1999-2007, Anton, Bulgaria - Professional affiliations:
- Member of the Bulgarian Society of Neurology, Bulgarian Medical Society
- Scientific affiliations:
- in the field of vascular neurology
- 1 scientific publication
- Language:
- English, French
Diagnostic and consultative activities and acceptance of children with nervous system diseases.
Working hours from Monday to Friday: 8:00 am - 2:30 pm
Veselin Tomov, MD
- Graduated:
- Medical University of Pleven - 1985
- Medical licensure:
- 1985 - MD
- Board certified:
- Neurology - 1991
- Training:
-
- EEG;
- Transcranial magnetic stimulation.
- Professional qualifications:
- Board certified neurologist, experience in clinical practice, epilepsy, multiple sclerosis, headache, transcranial magnetic stimulation.
- Current position:
- Medical doctor in outpatients office of child neurology.
- Professional experience:
- Epilepsy, multiple sclerosis, headache, cerebrovascular diseases in children.
- Professional affiliations:
- Member of the:
Bulgarian Society of Neurology
Scientific Society of Neurology, Psychiatry and Psychology of childhood development;
Bulgarian Doctor's Union. - Scientific affiliations:
- Mainly in the field of epilepsy, multiple sclerosis, headache, transcranial magnetic stimulation.
- Scientific publications:
- 11 scientific publications, 45 posters
- Language:
- English
Consultation and treatment of patients with psychosis, mood disorders, anxiety disorders, dementias. Issue of psychology personal statements by area of residence.
Working hours from Monday to Friday:
- I-st shift: 08:00 am - 2:30 pm
- II-nd shift: 02:30 am - 8:00 pm
Assen Jivkov Karadaliev, MD
- Graduated:
- 1995, Academy of Medicine, Sofia
- Medical licensure:
- MD degree
- Board certified:
- in psychiatry - 2003, Academy of Medicine, Sofia
- Professional qualifications:
- Experience in long-term management of psychoses, affective and anxiety disorders
- Current position:
- 1997 - Outpatients department MHATNP "St. Naum"
- Professional experience:
-
- 1995 -1996 Blagoevgrad Psychiatric Clinic;
- 1996 - 1997 "Alexandrovska" University Hospital, Psychiatric clinic.
- Professional affiliations:
- Bulgarian psychiatric association
Bulgarian association for clinical research - Scientific affiliations:
- Neuroleptics induced hyperprolactinaemia
Neuroleptic induced obsessive-compulsive symptoms - Scientific publications:
- 10 papers in national psychiatry journals.
- Language:
- English fluent
Diagnostics and treatment of vertigo, dizziness and balance disorder. Examination of the hearing, tinnitus, consultation of patients with neurological, psychological and ENT disorders. Videonystagmography. Video-oculography. Stabilometry. Functional tests for examination of the vestibular system (roatator and calorie).
Working hours from Monday to Friday: 8:00 am - 2:30 pm
Ivo Sashkov Asenov, MD
- Graduated:
- 1995 - Medical University, Sofia
- Medical licensure:
- 1995 - M.D. degree
- Board certified:
- 2005 - Otorhinolaryngology
- Training:
-
- 2008 - Otoneurology - University Hospital "Tsaritsa Yoanna - ISUL"
- 2009 - Audiology - University Hospital "Tsaritsa Yoanna - ISUL"
- Professional qualifications:
- Board certified in Otorhinolaryngology.
Experience in treatment of vestibular and auditory disorders. - Current position:
- Outpatient departament - Diagnostic and consultative office of Otoneurology
- Professional experience:
-
- 2005 - MHATNP St. Naum
- Scientific affiliations:
- Publications :
-
- 3 scientific publications;
- Special sensory systems articles in 2 Handbooks of Neurology.
- Language:
- English, fluent
The office has modern equipment for conducting examinations - OCT, perimeter, biomicroscope, etc.
The following are performed: examination, visual acuity with correction, fundus examination, perimetry, OCT - optical coherence tomography, oculomotor, anterior segment of the eye, etc.
Consultative medical examinations of patients with diseases of the optic nerves, diplopia, nystagmus, eye affection of brain tumors, multiple sclerosis, insults, traumas and others.
Working hours from Monday to Friday: 8:00 am - 1.30 pm

Chief Assistant Prof. Ventsislava Nedeva, M.D.
Titles and degrees: doctor, chief assistant
Specialty/s: neuro-ophthalmologist and ophthalmologist
Current position: Office of Neuro-Ophthalmology, Outpatient Department, MHATNP „St. Naum“
Professional experience: many years of experience - 50 years
Graduated: 1973 - Medical University, Sofia
Specialized in neuro-ophthalmology and ophthalmology in San Francisco, Tokyo, London, Germany.
Performs consultative examinations of patients with diseases of the optic nerves, double vision, multiple sclerosis - retrob. neuritis, nystagmus, eye involvement in brain tumors and cerebrovascular disorders, pediatric neuro-ophthalmological changes, etc.
Languages: Bulgarian, English, Russian
Online consultations: no
Consultation, treatment and dispensary observation of patients with psychiatric disorders.
Working hours from Monday to Friday:
- I-st shift: 8:00 am - 2:30 pm
- II-nd shift: 2:30 pm - 8:00 pm
+359 2/ 9702 140; +359 2/ 9702 139
Antoniya Ivanova Zamfirova, MD
- Graduated:
- M.D. - 1997, Medical University, Sofia
- Medical Licensure:
- 1997 M.D. degree
- Board certified:
- Psychiatry - 2007, Academy of Medicine, Sofia
- Training:
- Psychiatry:
- 2003 - WPA Educational program "Schizophrenia"
- 2004 - Interactive Educational Course for Young Psychiatrist and Investigators of the European College of Neuropsychofarmacology (ECNP)-Fenerite
- 2004 - Educational course "Contemporary treatment of substance dependence"
- 2005 - Educational course "Upgrade in research and clinical practice in organic psychiatric disorders and substance dependence".
- 2011 ECNP School of Neuropsychopharmakology, Oxford, UK
- 2012 Drugs and the Brain, Braga workshop, Braga Portugal
- Ph. D. Degree:
- Cognitive and behavioral phenotype of children with some common dysmorphic syndromes. (2003)
- Professional qualifications:
- Enperience in clinical practice active and long - term management of psychoses, affective and anxiety disorders.
- Current position:
- MHATNP "St. Naum" Psychiatrist in Outpatient department.
- Professional experience:
-
- 1999-2000 pediatrician, Sofia,Bulgaria
- 2005-2007 MHATNP "St. Naum", Outpatients department, Psychiatrist
- 2007-2012 MHATNP "St. Naum", Inpatient care unit
- Scientific affiliations:
- 2 scientific publications in the field of genetic markers for early diagnosis of dementias, affective disorders in national journals
- Memberships:
- Union of Bulgarian medical Doctors
Bulgarian Psychiatric association - Language:
- English-written/spoken-satisfactory
German-written/spoken-satisfactory
Consultative medical examinations of patients with diseases in the field of internal diseases. Gastroenterology, pulmonology, cardiology and endocrinology. ECG, abdominal ultrasound, bladder, thyroid, blood pressure holter.
Working hours from Monday to Friday: 8:00 am - 8:00 pm
Head of Department, Internal Medicine doctor
+359 2/9702 143

Nikolay Neykov, M.D.
- Graduated:
- 1992 - Medical University, Pleven
- Medical licensure:
- 1992 M.D. Degree
- Board certified:
- in internal medicine - 1999, Medical University, Sofia
- Training:
-
- 1998 - 1999 Pulmology in Vth Multiprofile hospital for active treatment, Sofia, Bulgaria
- 1999 - 2000 Diseases of metabolism in Vth Multiprofile hospital for active treatment, Sofia, Bulgaria
- 2000 - 2001 Ultrasound diagnostic in Institute of emergency medicine "Pirogov", Sofia, Bulgaria
- 2014 Abdominal ultrasound and surface structure in Multiprofile hospital "Tsaritsa Yoanna", Sofia, Bulgaria
- Professional qualifications:
- ECG, abdominal ultrasound, bladder, thyroid, blood pressure holter
- Current position:
- Head of emergency department in Multiprofile Hospital for active treatment in neurology and psychiatry "St.Naum", Sofia
- Professional experience:
-
- 1992 - 1996 Therapist in Multiprofile Hospital for active treatment "Dr. A.Peshev", Teteven
- 1996 - 1997 Therapist in Cardiology Rehabilitation Center, City of Bankya
- 1997 - 2004 Therapist / Ultrasound diagnostic of abdominal cavity diseases in Private Medical Stomatological Center "MEDIVA", Sofia
- 2004 - 2005 Specialist in internal diseases in Sofia City Cancer Center, Sofia
- Language:
- English
Ambulatory medical examinations of patients with multiple sclerosis and Parkinson`s disease, without regard to zoning. Commissions meetings for assessment of the need of expensive medicines, paid by NHIF. Neurophysiological examinations - visual and auditory evoked potentials. Equipment: Neuro physical equipment Teca Synergy.
Working hours from Monday to Friday: 8:00 am - 3:30 pm
Neurology specialist

Dr. Michaela Vladimirova Sergeeva, MD
Dr. Mihaela Sergeeva, MD is a specialist in General Neurology with over 10 years of clinical experience. She performs diagnostics, symptomatic treatment and long-term follow-up of patients with Multiple Sclerosis, vestibular disorders, Parkinson's disease, as well as general neurological problems.
She graduated from the Medical University of Sofia in 2010. As a doctor at the Multiprofile Hospital for Active Treatment in Neurology and Psychiatry «St. Naum», she acquired a specialty in Nervous Diseases, as well as a scientific and educational degree "doctor" after defending a dissertation.
In 2017, she started working in the Multiple Sclerosis and Evoked Potentials Department of the MHATNP «St. Naum».
2012 - 2017 - Clinic for Nervous Diseases for Movement Disorders, MHATNP «St. Naum».
2011 - 2012 - Department of Neurootology, MHATNP «St. Naum».
Meeting of the commission for assessment of the need of expensive medicines, paid by NHIF.
Working hours from Monday to Friday: 8:00 am - 11:00 pm
Assoc. Prof. Pencho Kolev, M.D., Ph.D.
- Graduated:
- 1977 - Medical University, Sofia
- Medical licensure:
- 1977 M.D. degree
- Board certified:
- neurology - 2009
Occupational Medicine - 1984 - Occupational Medicine:
-
- 1978 - 1980 Training Toxicology, Pleven, Bulgaria
- 1981 - 1984 Training and Degree of Occupational Medicine - National Center of Hygiene and Occupational Medicine, Sofia, Bulgaria
- Clinical Neurophysiology:
-
- 1981 - 1982 Training clinical neurophysiology in Department of clinical Neurophysiology, University Clinic of Neurology "Alexsandrovska", Sofia
- 1984 - 1989 6 months specialization in the Department Neurophysiology and Psychophysiology, ZAM, Berlin, Germany
- GCP:
-
- 2005 - GCP Training organized by Bulgarian Association of Clinical Research and Institute of Clinical Research
- PhD degree:
- Thesis: "Analysis of processing information in sound control profession"
- Professional qualifications:
- board certifaied in "Clinical electroencephalography", "Evoked potentials", "Polysomnography", experience in clinical practice, headache, pain, epilepsy, sleep disorders, teaching and research in neurology and clinical neurophysiology
- Current position:
- Associate Professor in neurology, Medical University -Sofia
Head of the Department Clinical Neurophysiology in Multiprofile Hospital for Active Treatment in Neurology and Psychiatry "St. Naum", Sofia - Professional experience:
-
- 1978 - 1981 Toxicology, Pleven, Bulgaria
- 1981 - 2000 Assistant Professor in the Department of Neurophysiology and Psychophysiology, National Center of Hygiene and Clinic of Occupational Diseases
- 2001 - to present Associate Professor in the Department of Clinical Neurophysiology, Multiprofile Hospital for active treatment in neurology and psychiatry "St. Naum", Medical University, Sofia
- 2003 - 2007 Head of the Local Ethic Committee
- Professional affiliations:
- Member of International Brain Research Organization (IBRO)
Member of International Organization of Psychophysiology (IOP)
Member of International Ligue against Epylepsy
Member of Bulgarian Society of Epilepsy
Member of Bulgarian Society of Neuroscience
Member of Bulgarian Society of Physiology
Member of Bulgarian Society of Hronobiology
Bulgarian Society of Hygiene and Occupational Medicine
Member of the Movement Disorders Society
Member of the Bulgarian Headache Society
Member of the Board of the Bulgarian Neurological Association
Member of the Bulgarian Scientific Society of EEG, EMG and Clinical Neurophysiology
Member of Bulgarian Association of clinical EMG and EP - Scientific affiliations:
- mainly in the field of epilepsy, sleep disorders, headache and pain, clinical neurophysiology
- Scientific publications:
- Over 130 papers in national and international Neurology and Neurophysisology Journals, Books and Proceedings of Congresses.
- Language:
- Fluent in English, German and Russian
Study of the sleep disorder and diagnosis and treatment of headache and Epilepsy.
Working hours from Monday to Friday: 8:00 am - 2:30 pm
Assoc. Prof. Pencho Kolev, M.D., Ph.D.
- Graduated:
- 1977 - Medical University, Sofia
- Medical licensure:
- 1977 M.D. degree
- Board certified:
- neurology - 2009
Occupational Medicine - 1984 - Occupational Medicine:
-
- 1978 - 1980 Training Toxicology, Pleven, Bulgaria
- 1981 - 1984 Training and Degree of Occupational Medicine - National Center of Hygiene and Occupational Medicine, Sofia, Bulgaria
- Clinical Neurophysiology:
-
- 1981 - 1982 Training clinical neurophysiology in Department of clinical Neurophysiology, University Clinic of Neurology "Alexsandrovska", Sofia
- 1984 - 1989 6 months specialization in the Department Neurophysiology and Psychophysiology, ZAM, Berlin, Germany
- GCP:
-
- 2005 - GCP Training organized by Bulgarian Association of Clinical Research and Institute of Clinical Research
- PhD degree:
- Thesis: "Analysis of processing information in sound control profession"
- Professional qualifications:
- board certifaied in "Clinical electroencephalography", "Evoked potentials", "Polysomnography", experience in clinical practice, headache, pain, epilepsy, sleep disorders, teaching and research in neurology and clinical neurophysiology
- Current position:
- Associate Professor in neurology, Medical University -Sofia
Head of the Department Clinical Neurophysiology in Multiprofile Hospital for Active Treatment in Neurology and Psychiatry "St. Naum", Sofia - Professional experience:
-
- 1978 - 1981 Toxicology, Pleven, Bulgaria
- 1981 - 2000 Assistant Professor in the Department of Neurophysiology and Psychophysiology, National Center of Hygiene and Clinic of Occupational Diseases
- 2001 - to present Associate Professor in the Department of Clinical Neurophysiology, Multiprofile Hospital for active treatment in neurology and psychiatry "St. Naum", Medical University, Sofia
- 2003 - 2007 Head of the Local Ethic Committee
- Professional affiliations:
- Member of International Brain Research Organization (IBRO)
Member of International Organization of Psychophysiology (IOP)
Member of International Ligue against Epylepsy
Member of Bulgarian Society of Epilepsy
Member of Bulgarian Society of Neuroscience
Member of Bulgarian Society of Physiology
Member of Bulgarian Society of Hronobiology
Bulgarian Society of Hygiene and Occupational Medicine
Member of the Movement Disorders Society
Member of the Bulgarian Headache Society
Member of the Board of the Bulgarian Neurological Association
Member of the Bulgarian Scientific Society of EEG, EMG and Clinical Neurophysiology
Member of Bulgarian Association of clinical EMG and EP - Scientific affiliations:
- mainly in the field of epilepsy, sleep disorders, headache and pain, clinical neurophysiology
- Scientific publications:
- Over 130 papers in national and international Neurology and Neurophysisology Journals, Books and Proceedings of Congresses.
- Language:
- Fluent in English, German and Russian
Electromyographic testing, testing of the peripheral nervous system.
Working hours from Monday to Friday: 8:00 am - 3:30 pm
Anastasia Kostadinova Shokova, MD
- Graduated:
- School of Medicine, University of Plovdiv- 1991
- Medical licensure:
- M.D. Degree - 1991
- Board certified:
- Neurology - 1999
- Training:
- Specialization in Clinical Neurology:
- 2000 - Neurologycal Clinic of Military Medical Academy "Plovdiv"
- 2002 - Neurologycal Clinic of SHATNP "St.Naum"
- Specialization in Electrophysiology:
- 2008 Specialized clinic of electrophysiology "Tsaritsa Yoanna"
- Professional qualifications:
- Board certified neurologist , experience in clinical practice, movement disorders, multiple sclerosis, pain, headache, clinical electromyography.
- Current position:
- Electromyography department
- Professional experience:
-
- 1991 - 1994 - Emergency clinic of MBAL Smolyan as an internal physician
- 1994 - 2000 - Neurology clinic of MBAL Smolyan as a neurologist.
- 1997 - 6 months ADK Hospital, Maldivi as a neurologist.
- 2001 - 2005 - Neurolgy clinic of Military Medical Academy "Plovdiv" as a neurologist
- 2008 - Present - Neurologist and electrophysiologist in the 3rd Neurological Clinic,EMG laboratory, in the Specialized Hospital for active treatment in neurology and psychiatry "St. Naum"
- Professional affiliations:
- Member of the Bulgarian Neurological Association
Member of the Bulgarian Scientific Society of EEG, EMG and Clinical Neurophysiology - Scientific affiliations:
- Mainly in the field of movement disorders, multiple sclerosis, headache, pain, and clinical electromyography.
- Language:
- English, Russian
In the office is carried Doppler sonography of the major arteries of the head and of the basal cerebral arteries. The office works with NHIF.
Working hours from Monday to Friday: 10:00 am - 2:00 pm
+359 2/ 9702 211; +359 2/ 9702 148

Senior assistant prof. Petar Damyanov, MD
- Graduated:
- Medical University of Sofia - 1996
- Medical licensure:
- 1996- M.D. Degree
- Board certified:
- in Neurology - 2003
- Training:
- Doppler sonography - 2004; Autonomic nervous system investigation - 2013
- Professional qualifications:
- Board certified neurologist, experience in clinical practice, headache, vestibular disorders, cerebrovascular disease, doppler sonography, autonomic nervous system.
- Current position:
- Senior assistant prof. at Neurological department for paroxysmal disorders, MHATNP "St. Naum", Sofia
- Professional experience:
- MHATNP "St. Naum", Sofia
- Professional affiliations:
- Member of the Bulgarian Society of Neurology, Bulgarian Society of Neurosonology and Cerebral Hemodynamics
- Scientific affiliations:
- Mainly in the field of headache, vestibular disorders, cerebrovascular disease, doppler sonography, autonomic nervous system
- Over 30 scientific publications
- Language:
- German - fluent, English - good
Psychodiagnostics of Central Nervous System disorders, neurodegenerative and other disorders related to the nervous system, mental diseases and social adaptation disorders are performed in the office. Consultations in age crisis, psychological traumas, developmental and behavioral disorders of children and adolescents are carried out. Expert psychological assessments of classified information and weapon possession, for occupational rehabilitation and expert medical commission on occupational health TELK, upon request of courts or notary for assessment upon bearing a legal responsibility or the ability to perform financial and legal transactions, for inclusion in an integrated form of learning in school or in the specialized schools are carried out.
The office performs speech diagnosis and treatment of communication disorders of childhood development, as well as diagnostics and speech rehabilitation of aphasia.
Visiting hours from Monday to Friday from 8:00 am - 7:30 pm
Silvia Assenova Shopova, Assoc. Prof. of Medical Psychology
- Graduated:
- Sofia University "St. Kliment Ohridski"
- Training:
-
- Assoc. Prof. of Medical Psychology, Medical University Pleven - 2007
- Doctor of Medical Psychology, Sofia University "St. Kliment Ohridski" - 2003
- Specialist of Medical Psychology, Medical University Sofia - 1994
- Master of Psychology, Sofia University "St. Kliment Ohridski " - 1979
- Ph. D. Degree:
- Cognitive and behavioral phenotype of children with some common dysmorphic syndromes (2003)
- Professional qualifications:
- Psycho-diagnosis and counseling, problems in the parent-child-society relationships, psychotherapy and social support, genetic factors in ADHD and Autism.
- Current position:
- Neuropsychologist in Outpatients department of MHATNP "St. Naum"
- Professional experience:
-
- Medical University Pleven 2007-2009
- MHAT"Aleksandrovska" Sofia 2005-2007
- University Pediatric Hospital Sofia 1990-2005
- Professional affiliations:
- Member of the:
Bulgarian Society of Child Neurology;
Psychiatry and Psychology;
Bulgarian Society of Human Genetics. - Scientific affiliations:
- Mainly in the field of psychodiagnostics and counseling in child and adult psychology, developmental psychopathology; family counseling.
- Scientific publications:
- - 40 scientific publications
- 1 monograph - Language:
- English - fluent; Russian - fluent
Working hours from Monday to Friday: 8:00 am - 3:30 pm
The activity of the department - conventional radiology and computer tomography
SIGNA™ Voyager 1.5T SCANNER CAPABILITIES
- High-quality diagnosis of multiple diseases of the Central Nervous System (CNS) - MS and other demyelinating diseases, cerebrovascular diseases, epilepsy, brain tumors, vestibular syndromes, dementias, extrapyramidal diseases, childhood diseases of the CNS, diseases of the spine and spine brain
- Precise diagnosis of patients with MS and other demyelinating diseases, thanks to highly specialized magnetic resonance protocols and standardized algorithms.
- Use of highly specialized submethods (4D-angiography, magnetic resonance spectroscopy), providing qualitative diagnosis of cerebrovascular diseases, intracranial tumors and dysmetabolic diseases of the central nervous system.
- Accurate diagnosis of patients with epilepsy, including children with brain malformations and therapy-resistant epilepsy.
- Possibility of diagnosis of the entire spine with one examination.
- Qualitative study of knee and hip joints.
OPPORTUNITIES OF THE NEW INSTALLATION IN THE MHATNP „St. Naum“ 64-series computer thomograph - Revolution EVO model
- High-speed computer tomograph, allowing short-term studies of patients with unclear consciousness, claustrophobia and involuntary movements.
- Computer tomograph with innovative x-ray dose reduction technology during the study.
- Apparatus capable of CT angiography of cerebral vessels and carotid and vertebral arteries.
- Possibilities for low-dose CT examination of paranasal cavities.
- Possibilities of low-dose CT scan of the skull in children with craniosensinoses.
- Possible low-dose KT high-resolution lung tests.
The departments works 24 hours for the needs of the hospital. Patients directed by NHIF are accepted, as well as paid patients.
Working hours from Monday to Friday: 8:00 am - 3:30 pm
Head of department
This email address is being protected from spambots. You need JavaScript enabled to view it. +359 2/9702 156

Assoc. Prof. Nickolay Lazarov Topalov, MD, PhD
- Graduated:
- Medical University Sofia 1993
- Medical licensure:
- MD
- Board certified:
- in neurology - 2000
in radiology - 2007 - Ph. D. Degree:
- Thesis - "Epidemiological research of multiple sclerosis in Bulgaria", 2000, Medical University Sofia
- Professional qualification:
- Board certified in neurology and radiology
- Current position:
- Chief doctor of neuroradiology department in University hospital of neurology and psychiatry "St. Naum", associate professor in Chair of neurology to Medical University Sofia.
- Member of the:
-
- Bulgarian society of neurology;
- Bulgarian society of headache and pain;
- Bulgarian society of neurorehabilitation;
- Bulgarian association of movement disorders;
- Bulgarian association of multiple sclerosis;
- European association of neuroradiology;
- European association of radiology.
- Professional and scientific affilations:
- multiple sclerosis, movement disorders
- Proffesional experience:
- Experience in clinical practice, multiple sclerosis, movement disorders. Experience in neuroradiology and pediatric neuroradiology (incl . MRI and CT).
- Language:
- English and French
Senior radiology technician
Performance of radioisotope diagnostic scanning with SPECT gamma camera. Diagnostics of Parkinson`s disease, bone scintigraphy, lung scintigraphy, thyroid scintigraphy, kidney scintigraphy.
Working hours from Monday to Friday: 7:30 am -2:00 pm
Head of department

Assistant prof. Nikolay Hristov Mlachkov, MD, PhD
- Graduated:
- Medical University of Sofia - 1986.
- Medical licensure:
- M.D. degree - 1986.
- Board certified in nuclear medicine:
- Medical University of Sofia - 1992.
- Ph.D. Degree:
- Thesis - "Diagnostic capabilities of 3-phase bone scintigraphy in patients with osteonecrosis of the femoral head" - 1993.
- Professional qualification:
- Board certified in nuclear medicine.
- Current position:
- Head of department of nuclear medicine in University multiprofile Hospital for active treatment in neurology and psychiatry "St. Naum", assistant professor in Clinical center of nuclear medicine and radiotherpy in Medical university-Sofia.
- Professional experience:
- in diagnostic nuclear medicine.
- Professional affiliations:
- Member of the: Bulgarian association of radiology(BAR), European association of nuclear medicine (EANM).
- Scientific affiliations:
-
- Scientific publications in the field of SPECT scintigraphy with 123I-Ioflupane(DATSCAN) in Parkinsonism.
- co-author in textbook for students "Fundamentals of nuclear medicine" - 2006, 2011.
- Language:
- English fluent.
General Overview
The Clinical Laboratory at University Hospital "St. Naum" - Sofia is a highly specialized diagnostic center serving inpatient clinics, outpatient practices, and external patients. The main focus is on neurological and psychiatric diagnostics, while the laboratory also provides a broad range of routine and specialized tests.
By combining modern equipment with an experienced team, the laboratory ensures fast, accurate, and clinically relevant results to support timely therapeutic decisions.
Main Areas
- Clinical chemistry and electrolytes - Cobas Integra 400 Plus
- Immunology and hormones - Finecare FIA Plus
- CSF diagnostics - isoelectric focusing, immunofixation, IgG index calculation, Reiber diagrams
- Serum and urine electrophoresis - Sebia
- HPLC analyses - therapeutic drug monitoring and vitamins (Hitachi Chromaster 5420 UV-VIS)
Team and Organization
The laboratory team consists of clinical laboratory physicians, a chemist, and medical laboratory technicians with many years of experience. The laboratory operates 24/7, with on-duty staff ensuring uninterrupted service for emergency diagnostic needs.
Collaboration
- Neurology Clinics - diagnostics of a wide range of neurological diseases
- Psychiatry Clinics - metabolic screening, vitamin deficiencies, monitoring of pharmacotherapy
- Sleep and Sleep Apnea Unit - laboratory markers for sleep hypoxemia, chronic inflammation, and metabolic syndrome
- Intensive Care Clinic
- Pediatric Neurology Clinic
Additional Capabilities
- Consultations on complex laboratory cases
- Customized diagnostic panels upon clinician request
- Full integration with electronic medical records and the hospital information system
- Support for interdisciplinary diagnostics and research projects
Working hours:
The laboratory operates 24/7, with on-duty staff ensuring uninterrupted service for emergency diagnostic needs.
Phones:
+359 2/9702 158 - Head of Laboratory +359 2/9702 159 - Hematology +359 2/9702 160 - BiochemistryHead of Laboratory

Martin Gerganov, MD
- Graduated:
- Medicine in 1994
- Specialty:
- Clinical laboratory, Homeopathy, Healthcare Management
- Professional qualification:
- Physician specializing in clinical laboratory, homeopathy and health management
- Professional experience:
- >27 years
- Current position:
- Deputy Director of Medical Activities - MBALNP St. Naum, Sofia
Head of the Clinical and Liquorological Laboratory, MBALNP St. Naum, Sofia - Online consultations:
- No
- Languages:
- English and Russian
Dr. Gerganov graduated in Medicine in 1994 and began his career as a general practitioner.
He subsequently specialized in Internal Medicine, and in 2018 obtained a qualification in Homeopathy from the European Society of Homeopathy.
In 2024 he completed his specialization in Clinical Laboratory Medicine.
Since January 2, 2025, he has been Head of the Clinical and Liquorology Laboratory at St. Naum University Hospital for Neurology and Psychiatry, Sofia.
He is a member of the Bulgarian Society of Neurology and the Bulgarian Society of Clinical Laboratory Medicine.
His professional interests are focused on liquorology and modern laboratory methods for CSF analysis, including agarose electrophoresis and isoelectric focusing with immunofixation.
Director
+359 2/9702 161
Manager
+359 2/9702 129



















