Individual provider · Type 1 NPI

Alexander Nicholas Prevallet, DO

Gastroenterology Physician · Orange, CA

NPI number 1659833556 Active

Practice location

101 The City Dr S
Orange, CA 92868-3201

Call (714) 456-8888 Map

Mailing address

4077 Fifth Ave
San Diego, CA 92103-2105

Other practice locations

  • 4077 Fifth Ave # MER35, San Diego, CA 92103-2105 · (619) 688-0770

Specialties and licenses

TaxonomyCodeLicense
Gastroenterology Physician Primary 207RG0100X20A19716 (CA)
Internal Medicine Physician 207R00000X20A19716 (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 1659833556

Alexander Nicholas Prevallet, DO's National Provider Identifier is 1659833556, issued on Apr 1, 2019. The primary taxonomy on file is Gastroenterology Physician (207RG0100X), and the practice location is in Orange, CA. The record was last updated on Oct 12, 2026.