These areas are among Dr. Ennis's clinical interests: leukemia, lung cancer, and colon cancer. He is affiliated with Bryn Mawr Hospital and Crozer-Keystone Health System. He is in-network for Coventry, United Healthcare HSA, and United Healthcare HMO, in addition to other insurance carriers. Dr. Ennis is accepting new patients. He attended medical school at MCP Hahnemann School of Medicine. He trained at Jefferson University Hospitals for his residency. He has received the distinction of "Top Doctor" in Oncology, Main Line Today.