Page 9 - Best oncologists: TOP 653 doctors

Dr. Balaña received her medical degree from the Central University of Barcelona and completed her residency in medical oncology at one of the best public hospitals in Spain, Vall d'Hebrón Hospital.

She was a leading specialist in the treatment of brain tumors at the Institute of Oncology of Catalonia, a founding member and current president of the Spanish Neuro oncology Research Group (GEINO), and a member of the scientific committee of the European Association for Neuro-Oncology.

He is the recipient of prestigious research grants in the field of brain tumors.

Dr. Balaña is also a member of the European Society of Medical Oncology and the author of modern European protocols for the treatment of brain tumors, as well as the protocols of the Spanish Society of Medical Oncology (SEOM).

Dr. Balaña has published over 400 articles, books and scientific papers at national and international conferences.

He is the author of articles in prestigious scientific publications such as:

Lancet Oncology;

Nature Reviews in Clinical Oncology;

Clinical Cancer Research and others.

Dr. Domenico Sabia is an experienced surgeon. He specializes in peritoneal oncology, melanoma and sarcoma surgery, laparoscopic and robotic surgery, and hepato-biliary and pancreatic surgery. He practices at Centro Médico Teknon and Consorci Sanitari Integral in Spain. Dr. Sabia has over 15 years of experience in treating advanced abdominal and pelvic cancers.

Dr. Sabia often speaks at national and international congresses. He has written and co-written many scientific publications. He also works as an investigator in major clinical trials in oncological surgery. He is accredited by organizations such as the Asociación Española de Cirujanos and The Peritoneal Surface Oncology Group International. Dr. Sabia is also a member of several respected surgical societies.

Present
Istanbul Florence Nightingale Hospital
Medical Oncology

2022-2024
Memorial Şişli Hospital
Medical Oncology Specialist

2021-2022
Institut Jules Bordet
Clinical Research Fellowship

2020-2022
Marmara University Pendik Training and Research Hospital
Medical Oncology Specialist

2019-2019
Institut Jules Bordet
Clinical Research Fellowship

2016-2019
Marmara University Faculty of Medicine, Department of Medical Oncology
Medical Oncology Fellowship

2014-2016
Golbasi Public Hospital
Internal Medicine Specialist

2013-2014
MD Anderson Cancer Center
Observership

2013
Bellvitge Hospital, Barcelona, Spain
Observership

2009 -2014
Hacettepe University Faculty of Medicine
Internal Medicine Residency

Dr. Klaus Kaczirek is a senior physician at the University Clinic for Surgery, Medical University of Vienna. He specializes in general and visceral surgery. He is known for his skill in hepatobiliopancreatic, oncological visceral, and endocrine surgery. His main focus is on complex operations involving the liver, pancreas, gastrointestinal tract, and endocrine organs.

Dr. Kaczirek holds board certifications in both general and visceral surgery. Since 2008, he has led the liver, gallbladder, and pancreas working group at the Austrian Society for Surgical Oncology. He is a member of the Austrian Society for Surgery, the European Society of Endocrine Surgeons, and other international surgical organizations. Dr. Kaczirek also reviews articles for leading medical journals and has helped advance surgical oncology and endocrine surgery.

Dr. Sebastian F. Schoppmann is an expert in general and visceral surgery. He has focused on upper gastrointestinal (GI) surgery since 2007. He leads the Gastroesophageal Tumor Unit (CCC-GET) at the Comprehensive Cancer Center Vienna. He is also an Associate Professor of Surgery at the Medical University of Vienna.

Dr. Schoppmann has published over 240 peer-reviewed articles. He serves as a consulting or associate editor for several leading surgical and oncology journals. He is the General Secretary of the Austrian Society of Surgical Oncology. He has also held important leadership roles in surgical oncology organizations. His work has helped advance upper-GI cancer surgery.

Dr. Florian Fitzal is a senior physician at Vienna General Hospital and Vienna Medical University. He specializes in breast and abdominal surgery. He is a certified surgeon and holds a Master of Public Health (MBA). Dr. Fitzal leads the Breast Health Center. He also serves as Scientific Director of the Surgical Center of the Breast.

He is an auditor for the European Council of Surgeons. He is also a board member of the Austrian Breast Cancer and Colorectal Cancer Research Group. Dr. Fitzal has published over 143 scientific papers and has an h-index of 24. He has written four books on breast cancer surgery. He is known for his work in breast-conserving, oncoplastic, and reconstructive surgery.

2022 - Present, Istanbul/Türkiye

MEMORIAL BAHCELIEVLER HOSPITAL

Internal Medicine and Medical Oncology Specialist

2021 - 2022, Istanbul/Türkiye

MEDICAL PARK BAHÇELİEVLER HOSPITAL

Internal Medicine and Medical Oncology Specialist

2017 - 2021, Istanbul/Türkiye

ISTANBUL NEW CENTURY UNIVERSITY GAZİOSMANPAŞA HOSPITAL

Internal Medicine and Medical Oncology Specialist

2013 - 2017, Van/Türkiye

VAN YUZUNCUYIL UNIVERSITY FACULTY OF MEDICINE

Internal Medicine and Medical Oncology Specialist

2011 - 2013, Van / Türkiye

VAN TRAINING AND RESEARCH HOSPITAL

Internal Medicine and Medical Oncology Specialist

2004 - 2007, Agri / Türkiye

AĞRI PATNOS STATE HOSPITAL

Internal Medicine Specialist

Univ.-Prof. Dr. Wolfgang Johannes Köstler is a board-certified specialist for Internal Medicine, Hematology/Oncology, and Intensive Care Medicine who specializes in hematology & internal oncology, intensive care medicine. He is one of the top-rated breast cancer and sarcoma oncologist specialists and has extensive experience in the field and has received degrees from the Medical University of Vienna and the Weizmann Institute of Science. He has also had special training at Memorial Sloan-Kettering Cancer Center and Royal Prince Alfred Hospital.

Dr. Hossein Taghizadeh is a highly regarded Austrian specialist in internal medicine, hematology, and medical oncology, known for his compassionate approach and commitment to personalized cancer care. With extensive experience in treating solid tumors and blood cancers, he represents a new generation of oncologists who integrate scientific progress with empathy and precision.

He studied medicine at the Medical University of Vienna, graduating in 2016, and began his residency in internal medicine and oncology shortly thereafter. His academic and clinical training at leading Austrian cancer centers equipped him with deep expertise in systemic cancer therapy, hematologic diseases, and palliative medicine.

2010–2016 – Studied medicine at the Medical University of Vienna.

2018 – Began residency in internal medicine and medical oncology, focusing on individualized treatment strategies.

2020s – Specialized in solid tumors, hematologic malignancies, and targeted therapy, contributing to multidisciplinary oncology care.

Today – Practices as an oncologist at Oncodoc and Wiener Privatklinik, providing diagnostics, systemic treatment, and follow-up for patients with gastrointestinal, urogenital, and hematologic cancers.

Dr. Taghizadeh’s clinical interests include gastrointestinal tumors, pancreatic and biliary cancers, genitourinary malignancies, and hematologic neoplasms. He works with advanced diagnostic tools and modern systemic therapies, including chemotherapy, targeted therapy, and immunotherapy.

Known for his calm professionalism, integrity, and patient-centered communication, Dr. Taghizadeh places great emphasis on evidence-based medicine and emotional support throughout the treatment journey. His work reflects a modern, holistic approach to oncology — one that values both medical excellence and the human experience behind every diagnosis.

Dr. Christiane Thallinger is an Austrian dermatologist and venereologist. She focuses on skin cancer and oncologic dermatology. She began her medical career in 1999. She completed dermatology training at the Medical University of Vienna. She later served as a senior physician in its Department of Dermatology.

Her expertise includes diagnosis and treatment of melanoma, basal cell carcinoma, and squamous cell carcinoma. She performs dermatosurgery, cryotherapy, and photodynamic therapy. She also manages skin side effects caused by cancer treatment.

She is active in patient care and academic research. She is recognized for her patient-centered approach and for advancing dermatologic oncology in Austria.

2018 - Present, Istanbul/Istanbul/Türkiye

MEMORIAL BAHCELIEVLER HOSPITAL

Radiation Oncology Specialist

2016 - 2018, Istanbul/Istanbul/Türkiye

ISTANBUL UNIVERSITY CERRAHPAŞA MEDICAL FACULTY

Radiation Oncology Specialist

Professor Niu Lizhi is a renowned Chinese cancer doctor, President of Fuda Cancer Hospital, and expert in minimally invasive cryosurgery. He has performed over 10,000 cryosurgeries and 500 NanoKnife procedures, and is the author of over 100 papers in surgical oncology, cryosurgery, and NanoKnife. He is Vice-President of the Asian Society of Cryosurgery and the International Society of Cryosurgery, and a member of the Chinese Medication Association, the China Anti-Cancer Association, the International Hepato-Pancreato-Biliary Association, and the Chinese Society of Integrated Traditional Chinese and Western Medicine.

• 2019 - Currently, Istanbul/Turkey
  MEMORIAL ATAŞEHİR HOSPITAL
  Obstetrician and Gynecologist - Gynecological Oncology Surgery
• 2017 - 2019, Istanbul/Turkey
  ISTANBUL MEDENIYET UNIVERSITY GÖZTEPE TRAINING AND RESEARCH HOSPITAL
  Gynecological Oncology Surgery Center
• 2012 - 2017, Istanbul/Turkey
  ZEYNEP KAMIL WOMEN HEALTH AND PEDIATRICS TRAINING AND RESEARCH HOSPITAL
  Gynecology and Obstetrics Specialist
• 2008 - 2012, Bursa/Turkey
  MUSTAFAKEMALPAŞA PUBLIC HOSPITAL
  Gynecology and Obstetrics Specialist
• 2004 - 2008, Erzincan/Turkey
  ERZINCAN PUBLIC HOSPITAL
  Gynecology and Obstetrics Specialist

Dr. Sefik Igdem is a respected radiation oncologist with 37 years of experience. He is known for his skill in advanced cancer treatments. Dr. Igdem specializes in radiotherapy, intensity-modulated radiation therapy, 3D conformal radiation therapy, and image-guided radiotherapy. He focuses mainly on prostate cancer and head and neck cancers.

Dr. Igdem has played a key role in bringing new technologies and conformal treatments to radiation oncology. He has also completed a retrospective analysis of 600 postmenopausal breast cancer cases. This work shows his commitment to evidence-based care. His broad clinical experience and focus on innovation have made him a leader in his field.

Dr. Dror Levin is a senior pediatrician and director of the blood disorder and bone cancer (sarcoma) treatment departments at Children's Hospital "Dana" and Medical Center "Sourasky" respectively. He is a specialist in pediatric medicine, hematology, and oncology, with additional experience studying abroad at the Rizzoli Orthopaedic Institute in Italy.

Professor of oncosurgery and proctology

Education:

Teaching course on “Lymphatic mapping and sentinel node”

June 1998, MDA Cancer Center, Houston, Texas, USA

General Surgery

Feb. 1993 – Dec. 1996, Şişli Etfal Hospital, Istanbul, Turkey

General Surgery

May 1990 – Jan. 1993, Lille University Hospital, Lille, France 

M.D.

1983 – 1990, Cerrahpasa School of Medicine, Istanbul, Turkey

Experience

Attending General Surgeon, Jan. 1998 – present 

F.N. Metropolitan Hospital, Istanbul, Turkey

American Cancer Center, Breast Surgery

Attending General Surgeon, 1996 – present 

Medmar Diagnostic Center, Istanbul, Turkey

Diagnosis and monitoring with sophisticated techniques 

General Surgeon, 1996 – 1998

Guzelbahce Medical Center and Yeditepe Hospital, Istanbul, Turkey

Specializing in breast and thyroid surgery

Prof. Zvi Ram is a top neurosurgeon and head of the European Association of Neurosurgical Societies (EANS). He specializes in disorders of the brain and spinal cord, such as aneurysms, brain tumors, and Parkinson's Disease. He has received numerous awards for his innovative approach to neurology treatments and research, and is an expert in neurosurgical operations with brain mapping and deep brain stimulation.

Dr. Saban Sec is a medical oncologist with experience at leading hospitals, including Haseki Training and Research Hospital, Prof. Dr. Cemil Taşcıoğlu City Hospital, and Bahçelievler Medikalpark Hospital. He currently represents specialist physicians in the Turkish Medical Oncology Association. He is also a member of the Istanbul Medical Chamber and the Turkish Medical Oncology Association.

Dr. Sec treats breast, lung, gastrointestinal, prostate, urogenital, head and neck cancers, as well as sarcomas and rare tumors. He has published many peer-reviewed articles on cancer prognosis, treatment outcomes, and survival rates. His research includes studies with large patient groups, such as 138 patients with HER2-positive metastatic gastric cancer. Dr. Sec focuses on prognostic factors and treatment responses in different cancers. He is dedicated to improving cancer care.

Professor Shlomi Constantini is a highly-trained neurosurgeon in Israel with expertise in general and pediatric neurosurgery, microsurgical operations, reconstructive interventions, and brain and spine tumor treatments. He has received several awards and is a member of multiple professional organizations.