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ADVENTIST HEALTH PHYSICIANS NETWORK
NPI 1720400427
Internal Medicine - Gastroenterology in Saint Helena, CA

Active since January 15, 2014
6 WOODLAND RD, SUITE 303, SAINT HELENA, CA 94574(707) 963-0267(707) 963-7255 Get Directions Write a Review

NPPES record last updated: September 12, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 12, 2025, Dec 21, 2022, Jan 14, 2022 and 1 more (4 updates tracked since 2018).

About Adventist Health Physicians Network NPPES

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

ADVENTIST HEALTH PHYSICIANS NETWORK (NPI 1720400427) is a healthcare organization registered as a gastroenterology in Saint Helena, California and active in the NPI registry since January 2014. The organization lists Arby Nahapetian, President, as its authorized official.

NPPES Registry Identity

NPI1720400427
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameADVENTIST HEALTH PHYSICIANS NETWORK
Location Address6 WOODLAND RD, SUITE 303Saint Helena, CA 94574-9501
Mailing AddressPo Box 888794Los Angeles, CA 90088-8794
Phone(707) 963-0267
Fax(707) 963-7255
Organization SubpartNo
Authorized OfficialArby NahapetianPresident · (818) 409-8000
Enumeration DateJanuary 15, 2014
Last NPPES UpdateSeptember 12, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2025
✔ NPI 1720400427 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ 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.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X

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 20

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

ADVENTIST HEALTH PHYSICIANS NETWORK
Internal Medicine
6 WOODLAND RD, SUITE 102
SAINT HELENA, CA 94574
Napa County (707) 963-8842
KEILS KITCHEN PA-C
Physician Assistant
6 WOODLAND RD, SUITE 202
SAINT HELENA, CA 94574
Napa County (707) 968-0670
ADVENTIST HEALTH SILVERADO PSYCHIATRIC CLINIC
Specialist
6 WOODLAND RD, SUITE 302
SAINT HELENA, CA 94574
Napa County (707) 963-8802
DR. HOSSEIN RAZAVI M.D.
Internal Medicine (Pulmonary Disease)
6 WOODLAND RD, 303
SAINT HELENA, CA 94574
Napa County (707) 963-0267
ADVENTIST HEALTH PHYSICIANS NETWORK
Orthopaedic Surgery
6 WOODLAND RD, SUITE 202
SAINT HELENA, CA 94574
Napa County (707) 968-0670
ADVENTIST HEALTH CALIFORNIA MEDICAL GROUP, INC.
Internal Medicine
6 WOODLAND RD, SUITE 202
SAINT HELENA, CA 94574
Napa County (707) 963-5294
JAMES A PETERS MD DRPH MEDICAL CORPORATION
Preventive Medicine (Public Health & General Preventive Medicine)
6 WOODLAND RD, SUITE 306
SAINT HELENA, CA 94574
Napa County (707) 963-2002
ADVENTIST HEALTH PHYSICIANS NETWORK
Surgery
6 WOODLAND RD, SUITE 301
SAINT HELENA, CA 94574
Napa County (707) 967-9307

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Adventist Health Physicians Network's NPI number?

The NPI number for Adventist Health Physicians Network is 1720400427. It was assigned to this organization in the NPPES registry on January 15, 2014.

Where is Adventist Health Physicians Network located?

Adventist Health Physicians Network is located at 6 Woodland Rd Suite 303, Saint Helena, CA 94574. The listed phone number is (707) 963-0267.

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.

When was this NPI record last updated?

The NPPES record for Adventist Health Physicians Network was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.