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Availability last updated 07/01/2025
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, MD
Gastroenterologist
801 N. Tustin Ave.
Ste 700
Santa Ana, CA 92705
David Sapien, MD
Internist
2372 Sterling Ave
San Bernardino, CA 92404
Jon Persichino
Infectious Disease Physician
16779 Spring St.
Fontana, CA 92335
Selma Prechel, OD
Internist
34 Executive Park Suite 212
Irvine, CA 92614
Roya Khodaie
Internist
2865 E Coast Hwy
Suite 100
Corona Del Mar, CA 92625
Dr. Walter Jones
Internist
103 E. Highland Ave
San Bernardino, CA 92404
Dr. Melanchton Mangoba, MD
Internist
7509 N Laurel Ave
Fontana, CA 92336
Dr. Audrey Konow
Internist
5150 E. La Palma Avenue
Suite 106
Anaheim, CA 92807
Selma Prechel, OD
Internist
15255 Innovation Drive
San Diego, CA 92128
Ali Shahverdiani, MD
Internist
520 N Main Street
Suite 220
Santa Ana, CA 92701
Dharmavijaypal Reddy Narayan, MD, is an experienced and dedicated adult primary care physician providing care to patients at his eponymous practice, D Reddy Narayan, in Palm Springs, California. Dr. Reddy has upwards of 15 years of experience practicing in both hospital and clinical practice settings.
Dr. Reddy completed his undergraduate education at Osmania University in Hyderabad, India, where he earned his Bachelor of Medicine and Bachelor of Surgery (MBBS). He then went on to earn his Doctor of Medicine at the same institution in 1994. Dr. Reddy then relocated to the United States, and in 2005, he completed his internal medicine residency at St. Joseph Mercy Oakland Hospital in Pontiac, Michigan.
More recently, Dr. Reddy has volunteered his clinical expertise, both in the United States and India, to help diagnose and treat individuals who have been infected with Covid-19.
In 2019, Dr. Reddy was recognized by the Inland Empire Health Plan (IEHP), which granted him the Special Physician Recognition Award.
To stay up to date with the latest advances in his field, Dr. Reddy maintains professional affiliations with the American Medical Association and the American College of Physicians. He is affiliated with Desert Regional Medical Center and Eisenhower Medical Center.
Dr. Reddy looks forward to welcoming new and returning patients to his practice.
Dharmavijaypal Narayan, MD
Internist
1401 N Palm Canyon Drive
Suite 100
Palm Springs, CA 92262
