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Yamini Maddala
, M.D.
Gastroenterologist

Effective July 1, 2026, Yamini Maddala, MD will no longer be associated with DHAT or GI Alliance.
Following Dr. Maddala’s departure, you can continue your care with another GI Alliance physician. For assistance in selecting a new provider within the GI Alliance network or for answers to general questions, please contact us at 469-851-1131. You can also visit http://www.gialliance.com/locations to view our other physicians in the DFW area. If you prefer to obtain a copy of your records or have them transferred elsewhere, our partner HealthMark is available at 800-659-4035.
About Yamini Maddala, M.D.
Dr. Maddala is an American board-certified gastroenterologist practicing in McKinney, Allen, and Prosper, affiliated with Digestive Health Associates of Texas (DHAT). She resides in Allen with her husband and two children.
Education and Training
- Advanced Fellowship: Mayo Clinic (Rochester, MN)
- Advanced Therapeutic Endoscopy: Endoscopic Ultrasound and ERCP
- Gastroenterology Fellowship: Allegheny General Hospital (Pittsburgh, PA)
- Residency: University of Medicine & Dentistry (New Jersey, NJ)
- MD: University of Health Sciences, Gandhi Medical College (Hyderabad, India
Awards and Accreditation
- Best Doctors in Collin County and D Magazine, Best Doctor 2015-2018
Professional Affiliations
- American Society for Gastrointestinal Endoscopy
- American College of Gastroenterology
- American Gastroenterological Association
- American Medical Association
- Texas Society for Gastroenterology and Endoscopy
- American Association for the Study of Liver Diseases
- Texas Medical Association
- Member of Mayo Alumni
Facility Affiliations
- Medical City McKinney
- Baylor Scott & White McKinney
- Methodist McKinney
- Methodist Richardson Medical Center
- Texas Health Presbyterian Allen
- Preston Crossing Endoscopy Center
Locations

