For over 45 years, our orthopedic doctors in Maryland have provided care for patients in Montgomery & Howard County. Located in Germantown, Olney, Silver Spring & Columbia, we have physical therapy clinics, 11 physicians, 4 office locations & an outpatient surgery center. We use the latest advances in orthopedics (with proven results) to diagnose, treat and rehabilitate all injuries. We value every person & are committed to providing exemplary orthopedic & therapy care for our patients & their families. We strive to deliver, high quality orthopedic patient care. Doctors at the Leisure World office in Silver Spring include Dr. Denis O'Brien, Dr. George Yeh, Dr. Sanjog Mathur, Dr. Sheldon Mandel and Dr. Alan Nagel.