Harrison Yoo

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.

Trauma Surgeon Scott Trexler, MD is Board Certified in Surgical Critical Care and Surgery, and he practices with Alamo City Surgeons at Methodist Hospital | Stone Oak and Methodist Hospital | Northeast. After graduating magna cum laude from Texas A&M University with a Bachelor of Science degree, Dr. Trexler completed his medical degree at Texas Tech Health Sciences Center School of Medicine in Lubbock, Texas and quickly discovered surgery aligned nicely with his predisposition for identifying problems and immediately fixing them. As a member of the Army Reserves, he completed his internship and residency in Surgery at Dwight D. Eisenhower Army Medical Center at Fort Gordon, Georgia where he also served as chief resident. He developed an interest in caring for trauma patients during a four-month rotation at Grady Memorial Hospital in Atlanta, Georgia as a fourth-year resident. He was deployed to Iraq in 2010 while working as a general surgeon at Bayne-Jones Army Community Hospital at Fort Polk, Louisiana, later serving as Chief of Surgery and Chief of Surgery. Dr. Trexler completed fellowships in surgical critical care, trauma, and acute care surgery at San Antonio Military Medical Center (SAMMC) at Fort Sam Houston in Texas. Deployed in 2013 to the very busy 28th/31st Combat Support Hospitals at Camp Bastion, Afghanistan, Dr. Trexler served as Chief of Trauma Services and performed trauma and acute care surgery. He returned to SAMMC in 2014 as Associate and Interim Chief of Trauma and Critical Care. Dr. Trexler's final tour of duty was to Kuwait in 2016 as Chief of Trauma Services before returning to SAMMC as the Trauma Medical Director. Prior to joining Alamo City Surgeons in early 2019, Dr. Trexler served as the Trauma Medical Director of the only Level I Trauma Center in the Department of Defense (SAMMC), Medical Director of the Surgery Physician's Assistant Program for Baylor University's Doctorate of Science Surgery Program at SAMMC, and Associate Professor in the Doctor of Science in Physician Assistant Studies Surgery Program with Baylor University.

Craig Glauser, MD, FAAOS is a Board Certified Orthopedic Surgeon with Methodist Physicians|Orthopedic Specialists. Dr. Glauser focuses on the treatment of ankle and foot injuries, fractures, joint disease and deformities. He strives to provide quality and compassionate care specific to each patient and their needs. He takes a conservative approach including exploring all non-operative treatments first (injections, physical therapy, bracing orthotics) and operative treatment when necessary.