Dr. Viktor Rothenstein completed his medical studies between 2011 and 2017 and, as of February 2025, is a board-certified specialist in Internal Medicine and Intensive Care Medicine. His comprehensive medical training at the Vienna General Hospital (AKH) focused on anesthesia, intensive care, and pain medicine. Through various clinical rotations and postings, he gained extensive experience in pulmonology, gastroenterology, cardiology, diabetology, endocrinology, and internal medicine-based intensive care.

Dr. Rothenstein has gained practical experience at institutions including the 5th Department of Internal Medicine at Klinik Favoriten and the 3rd Department of Internal Medicine at Klinik Hietzing. He currently serves as a specialist in the Department of Emergency Medicine at Klinik Hietzing. Thanks to his language skills, he is able to provide care to patients in German, English, Polish, Romanian, and Spanish.