Dr. Christopher P G Tretter, MD

Dr. Christopher Tretter is a board-certified oncologist who brings over three decades of experience to cancer care. He earned his medical degree from McGill University Faculty of Medicine and completed his residency training at McGill University Health Centre. With 32 years of dedicated practice in oncology, Dr. Tretter has developed extensive expertise in treating various forms of cancer. He is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Tretter practices at multiple locations including Lahey Hospital and Medical Center in Burlington, Massachusetts, and MaineHealth Maine Medical Center in Portland, Maine. He specializes in treating prostate cancer, including complex cases involving recurrent disease and advanced or metastatic forms of the condition. His practice incorporates modern diagnostic tools such as electrocardiograms and offers virtual care options for patient convenience. Patients have given him an average rating of 4.3 out of …5, reflecting their confidence in his care and expertise.