USMD Holdings, Inc. ( NASDAQ: USMD), a physician-led integrated healthcare system, announced today that four new physicians — Karen Klatte, M.D.; Aungel Evans, M.D.; Robin Johnston, M.D.; and Ayesha Khan, D.O. — have joined USMD Affiliated Services. These new physicians have been added to support the growing healthcare needs of the communities USMD serves. “I am very pleased to welcome these four physicians to USMD,” said John House, M.D., chairman and chief executive officer of USMD Holdings. “The DFW area is growing rapidly. According to the U.S. Census Bureau, Dallas ranks seventh on the list of cities with the largest population increases, and Fort Worth ranks tenth. Adding these physicians will allow USMD to continue providing our patients with high-quality, affordable and personalized medical care.” Dr. Klatte, a cardiologist, has joined USMD at its Midlothian location. Adding a second cardiologist to USMD’s growing network of physicians was necessary since heart disease continues to be the leading cause of death worldwide. Dr. Evans and Dr. Johnston will join USMD’s team of obstetrics and gynecology physicians, bringing the total number of OB/GYNs at USMD to 34. Dr. Khan will join USMD as a family practice physician, bringing the total number of family practitioners at USMD to 26. More about USMD’s new physicians: Dr. Karen Klatte completed her fellowship in cardiology at St. Louis University Hospital and her residency in internal medicine at Baylor University Medical Center. She received her medical degree from UT Southwestern Medical School. Dr. Aungel Evans will provide on-call coverage for obstetrics and gynecology physicians at the Arlington and Mansfield Clinics. Dr. Evans completed her residency in obstetrics and gynecology at George Washington University and received her medical degree from Baylor College of Medicine. Dr. Robin Johnston will also provide on-call coverage for obstetrics and gynecology physicians at the Arlington and Mansfield Clinics. Dr. Johnston completed her residency in obstetrics and gynecology at Parkland Memorial Hospital and received her medical degree from UT Southwestern Medical School. Dr. Ayesha Khan will practice at USMD’s Saginaw Clinic. Dr. Khan completed her residency in family medicine at Eastern Virginia Medical School and received her medical degree from Des Moines University College of Osteopathic Medicine. About USMD Holdings, Inc.: USMD is a publicly held (NASDAQ: USMD), physician-led integrated healthcare system committed to exemplary patient care. Headquartered in Irving, Texas, USMD serves the Dallas-Fort Worth metropolitan area with 240 physicians and associate practitioners, and provides healthcare services to patients across 18 different specialties at its hospitals, cancer treatment centers and physician clinics. For more information about USMD, visit www.usmd.com.