Tricia O’Brien, MD 2018-09-25T05:57:57+00:00

Tricia J. O’Brien, MD

Functional Medicine Specialist
Tricia J. O’Brien, MD
(214) 631-9321
8641 5th Street
Suite W8
Frisco, TX 75034


  • Allergies
  • Asthma
  • Arthritis
  • Autoimmune disorders
  • Cardiovascular disease
  • Chronic fatigue
  • Chronic sinusitis
  • Depression
  • Diabetes
  • Digestive disorders
  • Eczema and psoriasis
  • Elevated cholesterol
  • Female problems (PMS, menopause)
  • More…
5+ Years of Medical Experience


Dr. Tricia O’Brien is a Dallas-based Board Certified Functional Medicine Specialist. She was born and raised in rural Massachusetts and moved Texas after high school. Dr. O’Brien received her medical degree from the Baylor College of Medicine in 2006. A Certified Practitioner, she is an active member of the Institute for Functional Medicine.

  • If this is a medical emergency, dial 911.