Dr. Tommy Tiong Hien Oei - NPI #1033286844

Gastroenterologist located in Fontana, CA

California Fontana Gastroenterology Dr. Tommy Tiong Hien Oei Information


Dr. Tommy Tiong Hien Oei is a male Gastroenterologist (taxonomy code 207RG0100X) located in Fontana, California. Dr. Tommy Tiong Hien Oei's NPI Number is #1033286844 and has been listed in the NPI registry for 12 years. Dr. Tommy Tiong Hien Oei's practice location is listed as: 9961 Sierra Ave Fontana, CA 92335-6720 and can be reached via phone at (909) 427-3910.

Gastroenterology Taxonomy

The taxonomy code for Dr. Tommy Tiong Hien Oei's main specialty, Gastroenterology, is 207RG0100X. An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.



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Health Care Provider Information
 NPI # 1033286844
 Phone (909) 427-3910
 Fax Not Available
9961 Sierra Ave
Fontana, CA 92335-6720
 Gender M
 Website Not provided
  • Gastroenterology (CA)
Business Information
  • Sole Proprietor? No
  • Is Sub-Organization? Not Available
  • Parent Org Name: Not Available
 Updated 9/23/2008
 Added 11/29/2006
 Viewed on 4/23/2018
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