Best oncologists: TOP 584 doctors

General and digestive tract surgeon with expertise in minimally invasive laparoscopic surgery. Has held Associate Clinical Lecturer and Lecturer positions at the University of Navarre School of Medicine. Member of the Spanish Association of Surgeons, Spanish Society of Obesity Surgery, and European Association for Endoscopic Surgery.

Dr. Jan Dolezel is a board-certified onco-urology specialist with 20+ years of experience in robotic surgery. He holds an MD degree from Masaryk University, a Ph.D. from the University of Bratislava, and specialized in laparoscopic and robotic surgery from the University of Strasbourg. He is affiliated with multiple medical societies and has published 108 scientific papers in journals.

2018 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL BAHCELIEVLER HOSPITAL

Radiation Oncology Specialist

1986 - Present, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY

Radiation Oncology Specialist

2015 - 2018, Istanbul/Istanbul/Türkiye

MEMORIAL SISLI HOSPITAL

Radiation Oncology Specialist

Dr. Sertkaya graduated from Konya Meram Science High School in 2001 and entered Gazi University Medical Faculty the same year, graduating in 2008. He completed his urology specialization at Haydarpaşa Numune Training and Research Hospital in 2014, becoming a urology specialist.

Since becoming a specialist, he has focused on the sub-branch of Andrology, attending various training sessions and conferences and performing surgeries with some of the world's leading Andrology professors. In 2017, he passed the written and oral proficiency exams conducted by the European Association of Urology, earning the title of "FEBU."

In 2020, Dr. Sertkaya achieved the rank of Associate Professor of Urology. His journey in Urology and Andrology, which began in 2008, continues at the Andro Expertise Male Health and Aesthetics Center, which he founded in 2022. He sees patients in his own clinic and performs surgeries at affiliated hospitals.

Urologist

Dr. Lana Bijelic is a board-certified oncological surgeon. She specializes in peritoneal carcinomatosis. Since 2019, she has been part of the Carcinomatosis Surgical Group at the Teknon Oncology Institute. She trained under Prof. Paul Sugarbaker at Washington Hospital Center and brings strong expertise to her team.

Dr. Bijelic has worked as Research Director at Inova Fairfax Hospital. She has also been an associate professor at Virginia Commonwealth University and Georgetown University. She is an active member of the American College of Surgeons and the Society of Surgical Oncology.

Throughout her career, Dr. Bijelic has received many academic awards, including several Surgical Excellence Awards and top prizes in research. She is known for her leadership and important contributions to surgical oncology.

Dr. Jose Maria Raventos is a surgeon with 49 years of experience. He specializes in general, abdominal, endocrine, and thyroid surgery. He is known for his advanced laparoscopic skills. Dr. Raventos is also highly experienced in thyroid surgery, including complex thyroid cancer cases.

He has made important contributions to surgical research and education. He has published many scientific articles and is active in several professional associations. Dr. Raventos earned his medical degrees from the University of Barcelona and the University of Minnesota. He completed his residencies at the Red Cross Hospital of Barcelona and the Mayo Clinic in Rochester. He is a founding member of the Teknon Medical Center faculty and the Surgical Associate Surgeons group.

Dr. David Sarid is a specialist in oncology and radiotherapy based in Israel with expertise in chemotherapy, radiotherapy, and biological cancer therapy. He has been educated in the UK, Israel, and Georgia and has written over 30 articles devoted to cancer treatment. He is a lecturer at Tel Aviv University and a member of several medical organizations.

Dr. Harald Rosen is a leading abdominal surgeon. He specializes in endocrine, gastrointestinal, liver, colon, and bariatric surgeries. His expertise includes complex procedures such as sleeve gastrectomy and gastric anastomosis. Dr. Rosen is known for his research on improving the quality of life for rectal cancer patients after surgery. He also has a strong academic background in surgical oncology, with a focus on gastroenterology and breast cancer.

Dr. Rosen is President of the European Society of Surgery. He is also a Professor of Surgery at Vienna Medical School. He is accredited by the European Council for Surgical Qualifications and the Austrian Medical Council. Dr. Rosen has performed over 5,000 advanced surgeries with excellent results. He has published widely and is often invited as a visiting professor around the world.

Regular member of the Korean Society of Radiology

Founding member of the Korean Society of Interventional Neurology

Founding member of the Korean Stroke Society

Regular member of the American Stroke Association

Regular member of the World Stroke Society

Regular member of the World Society of Cerebrovascular Surgery

Regular member of the European Society of Cerebrovascular Surgery

Regular member of the Intervention Society

24 pieces of overseas and domestic thesis presentation (SCI)

50 times of overseas and domestic conference lectures

Dr. Ofer Merimsly is the best sarcoma, lymphoma, and lung cancer doctor within Israel and in the world. Also specializes in Whipple surgery treatment for patients with pancreatic cancer. Head of the National Center for sarcomas of bone and soft tissues of the Tel Aviv Medical Center Sourasky (Ichilov).

Specialty:

• Treatment of all types of lung cancer and thoracic organs
• Treatment of all types of sarcomas of bone and soft tissue
• Treatment stromal tumors of the gastrointestinal tract

Education and specialization:

• Higher medical education, graduated the Medical Faculty of the Hebrew University of Jerusalem, Israel
• Residency in General Oncology and Radiotherapy
• Training in the field of radiotherapy and brachytherapy at New York Hospital, USA
• Special refresher course for the treatment of tumors of the skeleton and soft tissues, Paris. France

Membership:

• President of the Society of oncologists and radiotherapists Israel
• The American Scientific Cancer Society
• European scientific medical organization
• European Society of Oncology of the musculoskeletal sy
• International Society for the treatment of tumors of the connective tissue

Prof. Boris Pfaffenbach is a highly experienced gastroenterologist and oncology specialist from Germany with a specialty in endoscopic examinations and treatment of the gastrointestinal tract, gallbladder and pancreas disorders. He is the head of the Department of Gastroenterology, Oncology and Internal Medicine at the Medical Center in Solingen and has vast experience in the field, including 9,000 surgeries under his command. He holds degrees in general medicine, internal medicine and gastroenterology, and is the author and co-author of over 130 publications. He is a member of several professional organizations, including the German Society of Gastroenterology, the European Society of Gastroenterology and Endoscopy and the German Dietitian Association.

Prof. Ralf Buhl is world famous neurosurgeon with over 20 years of experience. Doctor Buhl heads the Neurosurgery Department at Solingen Klinikum. His reputation reaches China and the US where he provides neurosurgical lectures.

Specialty

Dr. Buhl specializes in non-invasive methods treatment of disc herniation, brain and spinal cord tumors. The doctor provides treatment of peripheral nervous sy disorders and performs computer-assisted navigation microsurgeries.

Dr. Ralf Buhl has provided over 4,000 successful neurosurgeries. Among his patients are famous politicians, businessmen, musicians, actors. In 2015, a Hollywood star George Clooney had severe back pain and was treated by Professor Buhl.

Scientific activity

Dr. Buhl conducts scientific work and researches in intracranial cavernomas treatment, surgical treatment for brain metastases and other neurosurgery areas.

Рrofessor Buhl has cofound the Fund devoted to the study of brain tumors.

Dr. Manuela Seifert is a top German breast specialist.

Specialty

Dr. Manuela Seifert is a specialist in diagnostics, therapy and aftercare of breast diseases and sonography.

Dr. Seifer applies breast conserving operations as a key treatment method.

Work experience

• Since 2016 – Head of Breast Clinic at Medical Center in Solingen
• 2012-2016 – Breast & senology specialist at Helios Universitätsklinikum Wuppertal
• 2001-2012 – Senior gynecologist and obstetrician in the Gynecology & Obstetrics Department at Klinikverbund St. Antonius und St. Josef GmbH.

Education

• The Medical Faculty of the Heinrich-Heine-University – Degree in general medicine
• Klinikverbund St. Antonius und St. Josef GmbH – Specialty in gynecology and obstetrics.

1.Bachelor’s degree
- Doctor of medicine, Rangsit university.

2.Master’s degree

>Medical and health science degree
- Professional master’s degree in clinical nutrition in medicine.
- Professional master’s degree in integrative medicine.

>Management degree
- Professional master’s degree in hospital and health services management.

3.Doctorate degree
- Doctorate in psychology (candidate).

4.Diploma
- American Bord of nutritional wellness.
- American naturopathic certification board.

- Certified integrative oncology physician, American institute of integrative oncology.

- Certified wellness physician.

- Certified CBT-I physician.

- Advanced nutritional wellness, IFNW.

-Biochemical and clinical analysis diploma.

- Functional gastroenterology and pediatric food allergies diploma.

- IV nutrition diploma, IFNW.

-Medicinal herbology diploma, IFNW.