Areas of expertise for Dr. Harrell include thyroid problems, gallbladder removal surgery (cholecystectomy), and hernia surgery. Dr. Harrell is affiliated with Methodist Stone Oak Hospital. He takes several insurance carriers, including Blue Cross/Blue Shield, Blue Cross Blue Shield Bronze, and Blue Cross Blue Shield HMO. After completing medical school at Texas A & M Health Science Center College of Medicine, he performed his residency at Scott and White Healthcare.