Mark M. Casillas, M.D.

Foot, Ankle & Lower Leg

Diplomate, American Board of Orthopaedic Surgery
Fellowship with Roger Mann, M.D. of Oakland Bone & Joint Specialists
Residency, Campbell Clinic in Memphis, Tennessee
Medical School, University of Texas Health Science Center at San Antonio

Mark M. Casillas, M.D. is a San Antonio native and a graduate of Central Catholic High School, St. Mary’s University and the School of Medicine at University of Texas Health Science Center at San Antonio. He completed his orthopaedic surgery residency in Memphis, Tennessee at the prestigious Campbell Clinic.

His post-graduate training included a geographically and anatomically varied experience, starting with an AO fellowship under the guidance of Professor Doctor Reinhold Ganz at the Inselspital in Bern, Switzerland. This fellowship focused on conservative hip surgery but included an extensive exposure to the center’s expertise in trauma surgery and internal fixation.

This was followed by the opportunity to participate in the United Kingdom’s National Health Service as an honorary consultant, which involved visiting and lecturing on rotational arthroplasty of the hip at several hospitals across England. A fellowship at Italy’s Ospedale Generale Provinciale in Lecco completed his European experience. Directed by Chief of the Ilizarov Center, Dr. Maurizio Catagni, this fellowship focused on external fixation with the Ilizarov device and enabled Dr. Casillas to visit hospitals in Milan, Rome and Bologna.

His first focused foot and ankle experience took place in Cape Town, South Africa under the guidance of Dr. Tony Mullins, the regional foot and ankle specialist. Dr. Casillas concluded his eighteen-month fellowship in California with a six-month fellowship directed by Dr. Roger Mann, the most recognized orthopaedic foot and ankle authority worldwide.

Dr. Casillas has lectured across the United States and has published a collection of book chapters and journal articles. Most notable are the chapter written in DeLee and Drez’s Orthopaedic Sports Medicine, and the chapters co-written with Dr. Mann in Garrett’s Principles and Practice of Orthopaedic Sports Medicine, and Chapman’s Orthopaedic Surgery.

Six years after starting private practice, Dr. Casillas served on a team focused on developing and gaining FDA approval of the Salto Talaris ankle replacement. Professionally, he continues to work with innovative companies with products or devices that help people.

He enjoys promoting children’s charities of San Antonio as a member of the Texas Cavaliers and as a board member of the Texas Cavaliers Charitable Foundation. Dr. Casillas volunteers his time as team physician for the Saint Mary’s Hall Varsity football team, and for other high schools in Bexar County.