Charles Phan Gia Quang, MD is a gastroenterologist practicing in Sugar Land, TX. Liver diseases and especially viral hepatitis are also his areas of interest. He is affiliated with Methodist Hospital of Sugar Land and Memorial Hermann Sugar Land.

Dr. Phan received his doctorate degree in medicine from the Medical College of Wisconsin in 1992. After his residency in internal medicine, he also completed a gastroenterology fellowship at the University of California, Irvine in 1998. Dr. Phan had participated and published studies on different aspects of hepatitis C therapy. He is board certified in gastroenterology. With respect to professional affiliations, he is a member of the American Gastroenterological Association, American Association for the Study of Liver Diseases and Harris County Medical Society in Houston. Presently, he serves as the Vice President of Internal Affairs of the Vietnamese American Medical Association, Houston, TX.

After serving as Chief of the Department of Gastroenterology at Beavers Medical Group, CA, Dr. Phan and family relocated to Sugar Land, TX. He currently maintains an active practice in gastroenterology and liver diseases. Viral hepatitis is one of his essential areas of concentration attributable to its high prevalence in the Asian community. One of his professional aspirations is to advance, promote knowledge in hepatitis B together with its prevention and treatments.

Education & Training

  • University of California Irvine
  • University of California Irvine
  • Medical College of Wisconsin

Certifications & Licensure

  • TX State Medical License2003 – 2017
  • CA State Medical License1994 – 2015
  • American Board of Internal Medicine Internal Medicine
  • American Board of Internal MedicineGastroenterology

Awards, Honors, & Recognition

  • CMS Meaningful Use Stage 1 CertificationEpicCare Ambulatory EMR, Epic Systems Corporation, 2013

  • Fellow (AGAF)American Gastroenterological Association, 2011

Hospital Affiliations

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Our Address:

16659 SW Frwy, Ste.175
Sugar Land, TX 77479


29.61981923354278, -95.63503721979532