Individual provider · Type 1 NPI

William J. Collins, MD

Gastroenterology Physician · Orange, CA

NPI number 1104892074 Active

Practice location

1201 W La Veta Ave, Suite 211
Orange, CA 92868-4213

Call (714) 639-3363 Map

Fax (714) 532-3460

Specialties and licenses

TaxonomyCodeLicense
Gastroenterology Physician Primary 207RG0100XC33697 (CA)

Gastroenterology Physician: 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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About NPI 1104892074

William J. Collins, MD's National Provider Identifier is 1104892074, issued on Feb 28, 2006. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in Orange, CA. The record was last updated on Jul 13, 2026.