Best hematologist-oncologists in Austria: TOP 5 doctors

Professor Drach is a specialist in oncology with a PhD from the Medical University of Vienna. He has experience in research, internal medicine, hematologic oncology, nutrition, and lifestyle in cancer. He is the Director of the Josefstadt Private Clinic in Vienna and a member of the Board of Directors of the Austrian Society of Hematology and Oncology. He has published more than 120 scientific papers and given more than 200 lectures/presentations.

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.

Assoc. Prof. Priv.-Doz. Dr. Gerald Prager is a Vienna-based specialist in hematology and internal oncology with about 17 to 19 years of experience. He graduated from the Medical University of Vienna. From 2006 to 2011, he completed his residency and fellowship in hematology and oncology there. In 2011, he was a Visiting Professor at the Norris Comprehensive Cancer Center (USC). In 2012, he became an Associate Professor at MedUni Vienna.

He leads the Precision Medicine in Cancer Unit. His work focuses on colorectal cancer, precision oncology, tumor angiogenesis, and predictive biomarker assessment. He is a permanent reviewer for leading journals, including Blood and the European Journal of Clinical Investigation.

Univ.-Prof. Dr. Heinz Gisslinger is a leading hematologist and internal oncologist at the Medical University of Vienna and the Confraternität Private Clinic Josefstadt. He helped found the Laboratory for Myeloproliferative Neoplasms. He is Program Director for Myeloproliferative Neoplasms and leads clinical and translational research.

He pioneered interferon therapy for myeloproliferative neoplasms (MPNs). He first used it clinically in the 1980s and has advanced it for more than four decades. His expertise includes polycythemia vera, essential thrombocythemia, primary myelofibrosis, chronic myeloid leukemia, and multiple myeloma.