Dr. Ostap George Melnyk, MD

Dr. Ostap Melnyk is a board-certified oncologist and internal medicine physician with over four decades of medical experience. He earned his medical degree from the University of Chicago Division of Biological Sciences Pritzker School of Medicine and completed his residency training at Michael Reese Hospital Medical Center. His extensive background spans 41 years of caring for patients with cancer and complex internal medicine conditions. Dr. Melnyk is fluent in Chinese and Spanish, allowing him to serve diverse patient populations throughout the Bay Area.

Dr. Melnyk practices across multiple locations in California, including Emeryville, Brentwood, Hayward, Castro Valley, and Antioch. He is affiliated with Saint Rose Hospital and Alta Bates Summit Medical Center at both the Summit Campus in Oakland and Alta Bates Campus in Berkeley. His clinical expertise includes treating patients with sickle cell disease and acid reflux disorders. Melnyk performs various diagnostic procedures such …as blood type testing and comprehensive blood work to support patient care. Patients rate him 4.4 out of 5 stars on average for his compassionate and thorough approach to treatment.