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ADVENTIST HEALTH PHYSICIANS NETWORK
NPI 1508156423
Obstetrics & Gynecology in Saint Helena, CA

Active since April 12, 2011CLIA 05D2321634 · Waiver
821 SAINT HELENA HWY S, SAINT HELENA, CA 94574(707) 967-7550 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, Jul 30, 2024, Dec 21, 2022 and 2 more (5 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 1508156423) is a healthcare organization registered as an obstetrics & gynecology in Saint Helena, California and active in the NPI registry since April 2011. The organization holds a CLIA Waiver certificate valid through April 6, 2027 and lists Arby Nahapetian, President, as its authorized official.

NPPES Registry Identity

NPI1508156423
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameADVENTIST HEALTH PHYSICIANS NETWORK
Location Address821 SAINT HELENA HWY SSaint Helena, CA 94574-2266
Mailing AddressPo Box 888794Los Angeles, CA 90088-8794
Phone(707) 967-7550
Organization SubpartNo
Authorized OfficialArby NahapetianPresident · (818) 409-8000
Enumeration DateApril 12, 2011
Last NPPES UpdateSeptember 12, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2025
✔ NPI 1508156423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
821 SAINT HELENA HWY S, Saint Helena, CA 94574
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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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2321634

Adventist Health Physician Network · Saint Helena, CA
Active · expires Apr 6, 2027
CLIA Number05D2321634
Laboratory TypePhysician Office
Certificate Effective DateApril 7, 2025
Certificate Expiration DateApril 6, 2027
Laboratory DirectorCandace Westgate
Laboratory Phone(707) 967-7550
Laboratory LocationAdventist Health Physician Network821 South St Helena Hwy Suite 1, Saint Helena, CA 94574
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 4

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

JESSICA LEE FRIEND APRN, NP-C
Nurse Practitioner (Family)
821 SAINT HELENA HWY S
SAINT HELENA, CA 94574
Napa County (707) 967-7550
CHERYL CHONG D.O.
Family Medicine
821 SAINT HELENA HWY S, SUITE 2
SAINT HELENA, CA 94574
Napa County (707) 967-7551
SUSAN K. TURNER CNM, NP
Advanced Practice Midwife
821 SAINT HELENA HWY S
SAINT HELENA, CA 94574
Napa County (707) 963-5006
MR. JOHN HOWARTH KIRK III MD
Obstetrics & Gynecology
821 SAINT HELENA HWY S
SAINT HELENA, CA 94574
Napa County (707) 967-7550

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 1508156423. It was assigned to this organization in the NPPES registry on April 12, 2011.

Where is Adventist Health Physicians Network located?

Adventist Health Physicians Network is located at 821 Saint Helena Hwy S, Saint Helena, CA 94574. The listed phone number is (707) 967-7550.

What is Adventist Health Physicians Network's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Does Adventist Health Physicians Network hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2321634) is associated with this NPI, valid through April 6, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

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.