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Convenient Care Close to Home

Taking Care of Your Health, Together

Bringing together skilled physicians who span the range from primary care to specialized medicine, the Methodist Medical Group is devoted to providing the full spectrum of care to the North Texas community. From virtual visits to concierge medicine, aches and pains to surgery - our team is ready to assist you with your healthcare needs with the backing and resources of the entire Methodist Health System. You're never alone with Methodist Medical Group.

Learn more about our Telehealth and Virtual Visit Options

Care Team Spotlight
  • Diane S. Litke, MD

    Dr. Diane Litke is an experienced Orthopedic surgeon who has been in practice in Richardson, Texas, since 1998. She is board certified by the American Board of Orthopaedic Surgery and is a Fellow of the American Academy of Orthopaedic Surgeons and the American Association of Hip and Knee Surgeons. She has specialized minimally invasive training in Mako Robotic Orthopedics and Conformis custom knee arthroplasty. Dr. ...

  • Nhan P. Nguyen, MD

    Nhan P. Nguyen, MD, is an interventional cardiologist with more than 20 years of experience. Board certified in cardiovascular disease and interventional cardiology, he treats a variety of vascular and cardiac diseases, including coronary artery disease, heart rhythm disorders, heart failure, and congenital heart defects. Skilled in minimally invasive procedures, he performs transcatheter aortic valve replacement ...

  • Henry C. Jefferson, MD

  • Mariah F. Burnell, DO

    Mariah Burnell, DO, is a board-certified family medicine physician in Southlake, Texas. She has experience caring for patients of all ages, from newborns to geriatrics. Dr. Burnell is certified by the American Board of Obesity medicine (DABOM) and has a special interest in treating patients who struggle with maintaining a healthy weight. Additionally, she offers a wide range of primary care services, including ...

  • Michelle Summerall, WHNP-C

    Michelle Summerall, WHNP-C, is a board certified Women’s Health Nurse Practitioner with more than 10 years of experience. She is trained to provide care for all women throughout their lives, including preventative care, prenatal and postpartum care, treatment of infections and illnesses. Ms. Summerall earned her Bachelor of Science in Nursing from the University of Texas at Arlington in Arlington, Texas. She then ...

  • Kevin W. Niblett, MD

    Texas native, Kevin Niblett, MD, is a general surgery specialist with 25 years of experience. Dr. Niblett graduated from Tarleton State University, and he obtained his doctorate in medicine from The University of Texas Southwestern Medical School in Dallas. His general surgery residency was completed at St. Paul Hospital in Dallas. Dr. Niblett is Certified by the American Board of Surgery. He is a Fellow of the ...

  • Edward A. Dominguez, MD

    Dr. Edward Dominguez is the medical director of Organ Transplant Infectious Disease. He received his medical degree at Baylor College of Medicine, where he also completed his residency in internal medicine and his fellowship in infectious diseases. Dr. Dominguez served on the faculty of the University of Nebraska Medical Center and Creighton University Medical Center in Omaha, Nebraska. He is board certified in ...

  • Joseph D. Amos, MD

  • Jasper Pena, FNP-C

    Jasper Pen͂a, FNP-C, works in collaboration with Christopher M. Broadway, MD, and Ashley N. Pirisino, MD, to provide primary care to patients of all ages. Ms. Pen͂a earned her advanced practice registered nurse (APRN) and registered nurse (RN) licenses at the University of Texas at Arlington. Ms. Pen͂a is bi-lingual in English and Spanish.

  • Randall B. Graham, MD

    Dr. Graham can offer a custom solution tailored to fit each patient’s unique needs. In addition to specializing in major spinal procedures such as scoliosis surgery, revision surgery, and spinal tumor surgery, Dr. Graham has extensive training in minimally invasive surgical procedures. He provides patient-specific treatment solutions for a wide range of conditions related to the nervous system, and is committed to ...

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