Welcome to Dallas ID Associates

Welcome to Dallas ID Associates, an infectious diseases practice specializing in hospital patient consultations and ambulatory infusion therapy. Infectious Diseases is the specialty of medicine concerned with the diagnosis and treatment of diseases caused by infectious agents, such as bacteria, protozoa virus, and fungi.

Our practice group includes nine physician Infectious Disease specialists: Ashish Acharya, MD, Tania Purkayastha, MD, Sue Ellen Baum, MD, Perry G. Pate, MD, Steven G Davis, MD, Donald F. Storey, MD, Valerie Liao, MD, Parisa A. Suthun, MD. Our nurse practitioner is Katrina Lund, NP.

Our office is located at 7200 N. State Highway 161, Suite 220, Irving, Texas 75039. Our main office number is 214-689-7806. Please don't hesitate to call if you have any question.


  • Anti-Infection Therapy
  • Bone and Joint Infections
  • Surgical Infections
  • HIV
  • General Infections
  • Travel Medicine
  • Infection Control