On average, patients gave him a rating of 3.5 stars out of 5. Dr. Clontz is an in-network provider for several insurance carriers, including Blue Cross/Blue Shield, Blue Cross Blue Shield Bronze, and Blue Cross Blue Shield HMO. He graduated from the University of North Carolina at Chapel Hill School of Medicine and then he performed his residency at a hospital affiliated with the University of Florida Health Science Center. He is professionally affiliated with Central Florida Regional Hospital.