Our Orthopaedic Surgeons

Dr. Lee Schmidt
Lee M. Schmidt
Director, Joint Replacement Center

Chief, Division of Orthopaedics

Dr. Lee Schmidt helped to create the joint replacement center at GBMC and has been its director since it opened in 2004. He has practiced at GBMC since completing his joint replacement fellowship in 1990. Treating both arthritic knees and hips, he has surgical expertise ranging from arthroscopic surgery to total joint reconstruction. Areas of special interest include partial and total knee replacement, hip replacement surgery, minimally invasive techniques, and metal on metal technology.

Dr. Schmidt lives in Cockeysville with his wife and two teenagers. Despite his busy schedule he can be found watching his children play soccer, field hockey, basketball and lacrosse whenever possible. Hobbies include golf, skiing and travel. He is an avid auto racing enthusiast.


Dr. Allan Lanzo
D. Allan Lanzo, MD
Director of Sports Medicine


Dr. Allan Lanzo completed his fellowship in sports medicine at the renowned Hughston Clinic in 1990. He has spent the last 16 years in private practice in Baltimore. Dr. Lanzo specializes in surgery of the knee and shoulder, and has extensive experience in advanced techniques in knee arthroscopy and ACL reconstruction. In addition, he has performed more Oxford Unicompartmental knee replacements than any other orthopedic surgeon at GBMC. Also specializing in shoulder injuries, Dr. Lanzo performs rotator cuff and shoulder stabilization procedures arthroscopically.

At home Dr. Lanzo enjoys spending time with his wife and 3 daughters. Dr. Lanzo's sporting interests include tennis, golf and fitness workouts.

Dr. Stewart Koehler
Stewart Koehler, MD

Dr. Stewart Koehler is board certified in general orthopaedics, but dedicates much of his work to adult reconstruction. Majoring in English, Dr. Koehler obtained his bachelor's degree from Georgetown University. He then went on to study at the University of Maryland School of Medicine where he earned his doctorate, followed by an orthopaedic residency at Union Memorial Hospital in Baltimore. Recently, Dr. Koehler trained with other surgeons nationwide in using the Oxford Unicompartmental Knee.

Dr. Howard Bathon
G. Howard Bathon, MD

Dr. Howard Bathon is our foot and ankle surgeon and handles the more difficult trauma and fracture cases. A general orthopaedic surgeon since 1983, he spent seven of those years at the world renowned Maryland Shock Trauma Center. He has done extra training in foot and ankle surgery, and is a member of both the Orthopaedic Trauma Association and the American Orthopaedic Foot and Ankle Society. He has practiced at GBMC since 1997, helping to cover the Emergency Department. His areas of interest are the lower extremity in general, especially the foot and ankle; diabetic foot reconstruction, and all manner of fractures.

Dr. Bathon lives in Towson and has two grown children. In his free time, he likes to ski, hike and sing in his church choir. He is a licensed pilot, and enjoys all things about airplanes.
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