Dr. Gregory James Gerstner, MD

Dr. Gregory Gerstner is an oncologist and internal medicine physician with 24 years of experience treating cancer patients. He earned his medical degree from Southern Illinois University School of Medicine and specializes in comprehensive cancer care with particular expertise in lung cancer treatment. Dr. Gerstner is fluent in Chinese and Korean, enabling him to serve diverse patient populations in their preferred languages.

Dr. Gerstner practices at multiple locations throughout Illinois, including Peoria, Peru, and Washington. He maintains hospital affiliations with Carle Health Proctor Hospital, Carle Health Methodist Hospital, and OSF Saint Francis Medical Center. His clinical focus includes treating lung cancer, non-small cell lung cancer, and small cell lung cancer. He performs diagnostic blood work including complete blood counts and white blood cell differentials, and provides infusion therapy for cancer treatment. Patients rate Dr. Gerstner an average of 2.8 stars on Vitals.