Tokuda

 Prof. Boyan Lozanov, MD - Head of Department of Internal Medicine

Prof. Boyan Lozanov is a specialist in endocrinology and metabolism diseases. He has graduated Medicine in the Medical University in Plovdiv (1958). He has specialty in Internal medicine (1965) and Endocrinology (1969). PhD thesis: 1977 - for a doctor of medicine, 1992 - Doctor of Medical Sciences (1992). Specialized tireoidology in England (University of New Castle, London and Oxford). Qualificationas associate professor accomplished in 1985 and professor of endocrinology - in 1993. He has 169 scientific publications, 151 of them scientific articles in Bulgarian and foreign medical journals and 18 books, monographs. His main research interests and contributions are mainly in tireoidologiy: pathophysiology, diagnosis and treatment of autoimmune yoddefitsitnite thyroid disease and others. Head of the Clinical Center of Endocrinology at the Medical University of Sofia (1992 - 2000) and the Clinic for Diseases of the thyroid and bone mineral exchange the same from 1986 to 2002). National Consultant in Endocrinology (1997-2000). Consultant in Endocrinology at the University Hospital "Lozenets" (2006-2011). Currently working in "Tokuda Hospital Sofia" Internal Medicine Clinic. Member of Bulgarian Society of Endocrinology since its foundation, editor of the official publication of the company - journal "Endocrinology" 1996 to date. Member of the European Thyroid Association (ETA) and the European Society of Endocrinology (ECE). Member of the Bulgarian Academy of Sciences and Arts (BASA) and the editorial board of its journal "Bulgarian medicine."

He has received several prestigious awards in the field of medicine, including "Asklepius" of the Sofia University for his contributions to medical science for 2001 and the Military Academy Award "Prof. Constantine Chilov" contribution to the development of internal medicine in 2004.

Dr. Luchezar Lozanov- Administrative Head of Internal Diseases Clinic and Head of Endocrinology Dept.

Dr. Lozanov graduated from the Sofia Medical University in 1992, and has two specialities one in internal diseases and in endocrinology. The first three years of of his career he worked as a member of the cardiology department team under the leading academic professor Chudomir Nachev. In 1995, he began working in the “Specialized Endocrinology University Hospital for active treatment Academic Ivan Penchev”, where he added eleven years of experience from the hypophysis, adrenal, and gonad gland disease clinics. He joined the internal medical department of Tokuda Hospital Sofia at the beginning of the project.  

Dr. Svetoslav Sadjakliev- Head of Gastroentrology 

Dr. Sadjakliev graduted from the Sofia Medical University in 1987, and has three specialities: internal diseases, gastroenterology, and oncology. He worked in the Ruse District Hospital and Cancer Center. He has specialized in Holland, Germany, and France. He has additional qualifications in working with endoscopic video systems. He has been a member of our team since the beginning of our hospital project.

Dr. Stoyan Andreev- Head of rheumatology Dept. 

Dr. Andreev graduated from the Plovdiv Medical University in 1981, and he has specializations in internal diseases and rheumatology. For 15 years, he worked in the rheumatology clinic of the Plovdiv Medical University as a senior resident, and has also practiced medicine in the National Orthopedic Hospital. He has participated in numerous international medical congresses. Dr. Andreev has been a member of our team since the opening of our hospital. 

Dr. Nedyalka Dobreva, PhD- leading specialist of the nephrology sector 

Dr. Dobreva graduated from the Sofia Medical University in 1976, and has a speciality in internal diseases and nephrology. She has thirty years of experience as a nephrologist in Bulgaria and abroad. Between 1986-1990 she worked in Berlin in the “Nephrology, dialysis, and kidney transplant center”. Dr. Dobreva has successfully defended two doctoral dissertations on the theme of transplantations. She has been a member of our team since the opening of our hospital. 

Dr. Nataliya Stoeva- leading specialist pulmonology sector

 Dr. Stoeva graduated from the Sofia Medical University in 1982, and has a dual speciality in internal diseases and pulmonology. After graduation she specialized in internal diseases as a clinical assistant in the Institute of Internal Diseases in the Sofia Medical University. She worked in the Sandanski General Hospital, and began teaching courses for lung diseases in the Sofia Medical University.  She rose through the ranks from resident, to senior resident, to head resident of the general hospital “Sveta Sofia”. Dr. Stoeva’s scientific interest lies in bronchial asthma and chronic obstructive pulmonary syndrome (COPD), she has extensive experience in emergency pulmonology and pulmonary intensive care. She has been a member of our team since the beginning of our hospital project.

Dr. Asen Petrov - gastroentrologist

Dr. Petrov graduated from the Sofia Medical University in 1985, and earned a dual speciality in internal diseases and gastroenterology and nutrition. He has many years of experience as gastroenterologist specialist, for eleven years he was a team member of the Miltitary Medical Academy where he rose through all the ranks, resident, senior resident, and head resident. His professional mentor is Professor Grigor Mechkov.  During the period of 1995-1998 he lived in and worked in Los Angleles, California, where he continued his specialization training and successfully passed the United States Medical License Examination. He also worked for three years in the gastroenterological department of the 5^th general hospital in Sofia, Bulgaria. He has been a member of our team since the beginning of our hospital project.
Dr. Petrov specialized in the “Glendale Memorial Hospital”, California, USA, the “Amsterdam Medical Center”, Holland, and the “Fukuoka Hospital” which is a part of the health care network of the Tokushukai Medical Corporation. He is an active member of the American Association of Ultrasound Medicine. Dr. Petrov’s scientific research interests are focused on the treatment of diseases of the upper and lower gastro-intestinal tract. 

Dr. Balabanska graduated from the Sofia Medical University in 1987, she earned her speciality in internal diseases in 1996, and added her speciality in gastroenterology and nutrition in 1999. She worked in the gastroenterology clinic of the Miltary Medical Academy and the 5^th General Hospital where she gained fourteen years of experience under the mentorship of the leader academic Professor Grigor Mechkov.

She specialized in gastroenterology and endoscopic echography in the “National Cancer Disease Research and Treatment Center” in Milan, Italy, and has specializations from Holland, England, Greece and Russia. For over ten years, she worked on international programs for the treatment of viral hepatitis.  She performs hepatic biopsies, precision punctures assited by echography, and paracentisis. She is fluent in English, Russian, and Italian. She is a member of the International and Bulgarian Association of Surgeons and Gastroentrologists, the European Association of Ultrasound in Medicine, and the Bulgarian
Gastroentrology Society. She has numerous national and international publications, she writes a medical gastroenterology column for the Medical magazine “Meditzinski Magazine”, she joined our team in March 2007.

Dr. Anton Penev- pulmonologist

Dr. Penev graduated from the Sofia Medical University in 1991; he has specialized in internal diseases and pulmonology. After graduation, he worked as an internist in Pirdop and Zlatitza. In 1998 he began working in the pulmonology department of the 5^th General Hospital and worked there until November of 2006. In the 5^th General hospital he gained vast experience in bronchoscopy under the mentorship pf Professor Pavlov who is one of the leading Bulgarian bronchology specialists. Dr. Penev joined our team at the end of 2007. 

Dr. Anushka Rapondjieva- nephrologist

Dr. Rapondjieva graduated from the Sofia Medical University in 1984, and has two specialities: internal diseases and nephrology. After her graduation she worked in the internal medicine department of the Polyclinic located in Batak, Bulgaria, after which she working in the pediatric department of the Regional Hospital in Pirdop, Bulgaria. In 1986, she joined the team of the Nephrology Clinic of the Sofia Medical University.  She brought her 20 years of experience from the medical university to Tokuda Hospital Sofia when she joined our internal diseases department at the start of our project. 

Dr. Ani Chavushyan- gastroenterologist

Dr. Chavushyan graduated from the Sofia Medical University in 1994, and has a specialization in internal diseases and gastroenterology. She worked for four years in the Sofia Medical Academy, after which she worked in the 5^th General Hospital. She has been a member of Dr. Asen Petrov’s team since the opening of our hospital.

Dr. Desislava Gorcheva- endocrinologist

Dr. Radin Tzonev- gastroenterologist 

Dr. Tzonev graduated from the Military Medical Institute, Sofia in 1988, where he earned 18 years of experience. From 1994 to 2007 he worked in the 5^th General Hospital in the gastroenterology department of the medical clinic. He earned a specialization in internal diseases in 1995 and specialized in gastroenterology in 1997. In 1992, he completed additional qualifications courses in abdominal echography.  He completed coursework in 1993 for invasive echography under the mentorship of Professor N. Grigorov, and later under the leadership of the leading Academic Professor G. Mechov. Since 2002, he has been qualified to conduct blind and precision hepatic (liver) biopsies.

He is a member of the Bulgarian Association of Gastroentrologists and the Association of Ultrasound Medicine, and The International Association of Gastroentrologists and Surgeons. He completed post-graduate qualification courses in 1995 in Athens, Greece. He was awarded a two month specialization course in endoscopy and echo-endoscopy held in Rome, Italy in the Catholic Jemeli University hospital lead by Professor Guido Kostmania. In the year 2000, he specialized in Arnhem, Rotterdam, and Amsterdam, Holland in 2000.  Dr. Tzonev completed a two month specialization course in Nice, France in 2003. He has numerous publications in the national and international scientific journals. He is fluent in English, Russian, and is semi-fluent in Italian. 

Violetka Nikolova- internal diseases department head nurse

Head nurse Nikolova graduated from the Sofia Medical University in 1990, and currently she is studying in for a degree in “Health care” in the bachelor program of the Faculty of Social Health, Sofia. From 1993 to 2004, she worked in the Nuerology Clinic of the Specialized Hospital for Endocrinology, Nephrology, and Gerentology treament.

From 2005 to 2006, she was a team member of the nephrology clinic of the general hospital “Tzaritza Yoanna”. She began working in our hospital since the opening, and has been the head nurse of the internal diseases department since November 2008.