ADVENTIST HEALTH PHYSICIANS NETWORK
NPI 1164804761
Internal Medicine - Gastroenterology in Ukiah, CA

Q: What is Adventist Health Physicians Network's NPI number?

The NPI number for Adventist Health Physicians Network is 1164804761. It was assigned to this organization in the NPPES registry on June 19, 2015.

Q: What is Adventist Health Physicians Network's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Active since June 19, 2015

234 HOSPITAL DR, UKIAH, CA 95482(707) 463-7425 Get Directions Write a Review

NPPES record last updated: September 15, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 15, 2025, Dec 20, 2022, Jan 14, 2022 and 1 more (4 updates tracked since 2018).

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About Adventist Health Physicians Network NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ADVENTIST HEALTH PHYSICIANS NETWORK (NPI 1164804761) is a healthcare organization registered as a gastroenterology in Ukiah, California and active in the NPI registry since June 2015. The organization lists Arby Nahapetian, President, as its authorized official.

NPPES Registry Identity

NPI1164804761

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameADVENTIST HEALTH PHYSICIANS NETWORK

Location Address234 HOSPITAL DRUkiah, CA 95482-4560

Mailing AddressPo Box 888794Los Angeles, CA 90088-8794 · (916) 865-1865

Phone(707) 463-7425

Organization SubpartNo

Authorized OfficialArby NahapetianPresident · (818) 409-8000

Enumeration DateJune 19, 2015

Last NPPES UpdateSeptember 15, 20254 updates tracked since enumeration

NPPES CertifiedSeptember 15, 2025

✔ NPI 1164804761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Definition

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.

234 HOSPITAL DR, Ukiah, CA 95482

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HARRY B. MATOSSIAN

Clinic/Center (Ambulatory Surgical)