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Availability last updated 09/05/2025
Advanced Gastroenterology & Liver Institute in Anaheim, Santa Ana, Fullerton, and Huntington Beach, California, provides comprehensive gastroenterology care. People travel from all over to consult with Tahmina Haq, MD, who is well-known for her compassionate care and clinical expertise.
At Advanced Gastroenterology & Liver Institute, Dr. Haq specializes in diagnosing and treating digestive disorders like Crohn’s disease, ulcerative colitis, and hepatitis. She also performs a number of diagnostic procedures, including upper endoscopy, endoscopic ultrasound, and endoscopic retrograde cholangiopancreatography (ERCP).
In addition, people come to Advanced Gastroenterology & Liver Institute for colon cancer screenings and treatment of colon polyps. Dr. Haq maintains an adenoma detection rate (ADR) well above the national benchmark of 25%, as established by leading Gastroenterology societies and published guidelines from the ASGE, ACG, and peer-reviewed medical journals. This reflects her commitment to high-quality, thorough, and preventive patient care.
After earning her Doctor of Medicine at Shifa College of Medicine in Rawalpindi, Islamabad, Pakistan, Dr. Haq completed her internal medicine residency at Loma Linda University Medical Center in Loma Linda, California.
She then completed her gastroenterology fellowship at the University of California, San Francisco (UCSF) and her advanced endoscopy fellowship at Harbor-UCLA Medical Center in West Carson, California.
Dr. Haq takes the time to get to know her patients, building trust and long-lasting relationships. When not taking care of her patients, Dr. Haq enjoys traveling and spending time with her family.
Call Advanced Gastroenterology & Liver Institute or use the online booking button to schedule an appointment today.
Tahmina Haq
Gastroenterologist
801 N. Tustin Ave.
Ste 700
Santa Ana, CA 92705
Gregory Robertson, MD
Internist
3901 East Coast Hwy
Corona Del Mar, CA 92625
Selma Prechel, OD
Internist
3901 E Coast Hwy
Corona Del Mar, CA 92625
Roya Khodaie
Internist
2865 E Coast Hwy
Suite 100
Corona Del Mar, CA 92625
Selma Prechel, OD
Internist
1209 Hemlock Way
Santa Ana, CA 92707
Selma Prechel, OD
Internist
1030 W Warner Avenue
Santa Ana, CA 92707
Ali Shahverdiani, MD
Internist
520 N Main Street
Suite 220
Santa Ana, CA 92701
Selma Prechel, OD
Internist
2570 Newport Blvd
Costa Mesa, CA 92627
Selma Prechel, OD
Internist
1501 E 16th Street
Newport Beach, CA 92663
Shahid Hayat, MD
Internist
1100 W Stewart Drive
Orange, CA 92868