Patients rated him highly, giving him an average of 4.5 stars out of 5. Dr. Heist's areas of expertise consist of diabetes, cornea problems, and cataracts. He is professionally affiliated with Kennedy Health and Crozer-Keystone Health System. Dr. Heist accepts several insurance carriers, including Coventry, United Healthcare HSA, and United Healthcare HMO. He studied medicine at Philadelphia College of Osteopathic Medicine. He trained at a hospital affiliated with Philadelphia College of Osteopathic Medicine for residency.