Methodist Physicians OBGYN Specialists

Cardiac Electrophysiologist David Pederson, MD, FACC is Board Certified in Cardiovascular Disease and Clinical Cardiac Electrophysiology, and practices at Methodist Cardiology Clinic of San Antonio.

Nicholas E Gerken, MD is a Board Certified Orthopedic Surgeon with Methodist Physicians | Orthopedic Specialists in San Antonio, Texas. He is fellowship trained in adult reconstruction and joint replacement, specializing in the diagnosis and treatment of knee and hip pathology. He specializes in treating the full spectrum of hip and knee disorders from joint preservation to minimally invasive primary hip and knee replacement, to complex hip and knee revision and reconstructive surgery.

Mark Casillas, MD, FAAOS is a Board Certified Orthopedic Surgeon with Methodist Physicians | Orthopedic Specialists, specializing in foot, ankle and lower leg orthopedic surgery. Dr. Casillas believes patient education and participation are critical elements to a successful outcome. His approach is to discover a meaningful and insightful history during an examination to determine the problem at hand. He strives to offer several treatment options.