USMD Holdings, Inc. ( NASDAQ: USMD), a physician-led integrated health system, announced today that three new physicians—Tamika Perry, D.O.; Ranjitha Rishikesh, M.D.; and Charlie Ruby, D.O.—have joined USMD Affiliated Services. These physicians have been added to support the expanding healthcare needs of the communities USMD serves.

Drs. Perry, Rishikesh and Ruby increase the number of USMD primary care physicians serving seniors and accepting Medicare patients to 95, and further confirm USMD’s commitment to caring for and providing quality healthcare to seniors in the Dallas-Fort Worth metropolitan area.

“I’m pleased to welcome Dr. Perry, Dr. Rishikesh and Dr. Ruby to USMD,” said John House, M.D., chairman and chief executive officer of USMD Holdings. “The addition of these physicians allows USMD to continue providing the high-quality, comprehensive and personalized care that each of our patients deserve.”

Dr. Perry joins USMD at its new Cedar Hill Clinic. Dr. Perry completed her medical training at Philadelphia College of Osteopathic Medicine and her residency in family medicine at Methodist Charlton Medical Center in Dallas. Dr. Perry also has a Master’s in Public Health from University of North Texas Health Science Center.

Dr. Rishikesh joins USMD at its Denton North Clinic. She completed her medical degree and her residency in internal medicine at The Wright Center for Medical Education in Scranton, Pa.

Dr. Ruby joins USMD at its new Midlothian Clinic. Dr. Ruby completed medical training at University of North Texas Health Science Center and his residency in Family Medicine at The University of Texas Southwestern Medical Center.

About USMD Holdings, Inc.

USMD is a publicly held (NASDAQ: USMD), physician-led, integrated health system committed to exemplary patient care. Headquartered in Irving, Texas, USMD serves the Dallas-Fort Worth metropolitan area with more than 250 physicians and associate practitioners, and provides healthcare services to patients in just under 20 different specialties at its two hospitals, nine cancer treatment centers and nearly 70 physician clinics, many of which are multi-specialty. All 26 of USMD’s primary care clinics have been accredited by the Patient-Centered Medical Home Program, a recognition program that is part of the National Committee for Quality Assurance. This recognition means that USMD’s primary care clinics successfully display and utilize evidence-based, patient-centered processes that focus on highly coordinated patient care and long-term patient relationships. For more information about USMD, visit

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