Dr. John C. Sparks is an orthopedist in Conroe, Texas. He received his medical degree from The University of Texas Health Science Center at San Antonio and has been in practice for more than 20 years. Dr. John C. Sparks has expertise in treating knee injury, arthritis, rotator cuff injury, among other conditions - see all areas of expertise. Dr. John C. Sparks accepts Medicare, Aetna, Cigna, Blue Cross, United Healthcare - see other insurance plans accepted. Dr. John C. Sparks is highly recommended by patients.