Dr. Hirt's Interlachen Family Practice is a community-oriented, comprehensive family medical care center in Winter Park, FL. Accepting new patients now. Dr. Hirt graduated from the Kansas City University of Medicine & Bioscience College of Osteopathic Med in He works in Winter Park, FL and 1 other location and specializes in Family Medicine. Dr. Hirt is affiliated with Florida Hospital Waterman/5(38). John B. Hirt, D.O. Family Practice Physician in Winter Park. Opening at AM. Get Quote. Call () Get directions WhatsApp () Message () Contact Us Find Table Make Appointment Place Order View Menu.