About Me

Drawing upon more than 20 years of experience, Thomas Tri Quach, MD, FACOG is an obstetrician and gynecologist who has managed his own practice in Westminster, since 1999. In addition to providing women's health services and obstetrics care at his own practice, Dr. Quach performs surgeries at MemorialCare Orange Coast Medical Center in Fountain Valley. Fluent in Vietnamese, Dr. Quach is a regular on local television and radio education programs about women’s health.

Dr. Quach is a member of the American Medical Association and is board certified by The American Board of Medical Specialties and National Board of Physicians and Surgeons in Obstetrics & Gynecology. He currently is a Fellow of the American College of Obstetrics and Gynecology, and therefore is dedicated to highest standards of medical care. He completed a three-year obstetrics and gynecology residency at White Memorial Medical Center and a one-year internal medicine internship at Loma Linda Medical Center. He earned his doctor of medicine from Loma Linda University School of Medicine. His philosophical approach to patient care is wholistic involving physical, mental as well as spiritual.

In his free time, Dr. Quach enjoys practicing yoga, cycling, and studying history.


English, Vietnamese

Provider Specialty

Obstetrics & Gynecology

Areas of Care


Medical Education

Loma Linda University School of Medicine


White Memorial Medical Center

Locations & Affiliations


Thomas T. Quach, MD

9186 Bolsa Ave.

Westminster, CA

Office: (714) 799-7522