LOCAL HEALTHCARE PROVIDERS
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642 providers
Availability last updated 03/06/2026
Shahid Hayat
Internist
1100 W Stewart Drive
Orange, CA 92868
Kia Ghiassi, DO
Internist
1100 W Stewart Drive
Orange, CA 92868
Amir Ghiassi
Internist
1100 W Stewart Drive
Orange, CA 92868
James Roum
Internist
1100 W Stewart Drive
Orange, CA 92868
Linh Thong, MD
Nephrologist
1100 W Stewart Drive
Orange, CA 92868
Selma Prechel, OD
Internist
1100 W Stewart Dr Orange
Orange, CA 92868
Selma Prechel, OD
Internist
1440 S Euclid
Anaheim, CA 92802
Selma Prechel, OD
Internist
11848 Valley View St
Garden Grove, CA 92845
Ali Shahverdiani, MD
Internist
14642 Newport Ave
Suite 101
Tustin, CA 92780
Selma Prechel, OD
Internist
1845 W Orangewood Ave, Suite 200
Orange, CA 92868
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, MD
Gastroenterologist
801 N. Tustin Ave.
Ste 700
Santa Ana, CA 92705
Selma Prechel, OD
Internist
1401 W Ball Road
Anaheim, CA 92802