David Hales, M.D., is an Associate Professor in the Department of Internal Medicine at UT Southwestern Medical Center and a member of the Division of Geriatric Medicine.

Originally from Leland, Mississippi, Dr. Hales holds a bachelor's degree in medical technology from Delta State University in Cleveland, Mississippi. He then earned his medical degree at the University of Mississippi School of Medicine in Jackson. He completed internal medicine residency training at UT Southwestern Medical Center.

Certified by the American Board of Internal Medicine in hospice and palliative medicine, Dr. Hales joined the UT Southwestern faculty in 1994. He is currently the Associate Chief of Staff of Geriatrics and Extended Care at the VA North Texas Health Care System in Dallas.

At UT Southwestern, Dr. Hales is on the Dean's Committee, the Geriatric Fellowship Planning Committee, and the Hospice and Palliative Medicine Fellowship Planning Committee.

Dr. Hales is a member of the American College of Physicians.


Delta State University , Medical Technology
Medical School
University of Mississippi Medi (1987), Medicine

Research Interest

  • Biochemical Markers of Geriatric Failure to Thrive Syndrome
  • Late Sequelae of Cold Injury
  • Proton Pump Inhibitors and Vitamin B12 Deficiency
  • Telemedicine Applications for Home Health Care
  • Vitamin B12 and Aging

Honors & Awards

  • VA Courtesy in Action Award
  • Geriatrics Recognition Award 1999-2003
    American Geriatrics Society (0)
  • Program of Excellence Award (1997, 1999 & 2001)
    Home Based Primary Care (0)

Professional Associations/Affiliations

  • American College of Physicians
  • American Geriatrics Society
  • American Medical Association