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ADVENTIST HEALTH PHYSICIANS NETWORK
NPI 1992242614
Internal Medicine - Cardiovascular Disease in Clearlake, CA

Active since January 20, 2017
15230 LAKESHORE DR, CLEARLAKE, CA 95422(707) 995-4500 Get Directions Write a Review

NPPES record last updated: December 20, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 20, 2022, Jan 14, 2022, Jan 9, 2018 and 1 more (4 updates tracked since 2017).

About Adventist Health Physicians Network NPPES

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

ADVENTIST HEALTH PHYSICIANS NETWORK (NPI 1992242614) is a healthcare organization registered as a cardiovascular disease in Clearlake, California and active in the NPI registry since January 2017. The organization lists Arby Nahapetian, President, as its authorized official.

NPPES Registry Identity

NPI1992242614
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameADVENTIST HEALTH PHYSICIANS NETWORK
Location Address15230 LAKESHORE DRClearlake, CA 95422-8107
Mailing AddressPo Box 888794Los Angeles, CA 90088-8794
Phone(707) 995-4500
Organization SubpartNo
Authorized OfficialArby NahapetianPresident · (702) 271-4998
Enumeration DateJanuary 20, 2017
Last NPPES UpdateDecember 20, 20224 updates tracked since enumeration
NPPES CertifiedDecember 20, 2022
✔ NPI 1992242614 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
Also ListedSurgeryTaxonomy 208600000X
15230 LAKESHORE DR, Clearlake, CA 95422
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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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Adventist Health Physicians Network is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

673

Medicare enrollment records show 673 clinicians reassign Medicare billing to Adventist Health Physicians Network, which bills Medicare for the services they deliver. Of these, 4 practice at this address. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 52

Nurse Practitioner130
Diagnostic Radiology121
Family Practice65
Internal Medicine33
General Surgery31
Orthopedic Surgery30
Urology30
Obstetrics/Gynecology26
44 other specialties207

Nearest to this location (20)

See all 673
Parinaz Azari, M.D.
Interventional Pain Management
NPI 1942442132
15230 LAKESHORE DR LIVE WELL SUITE 3
Clearlake, CA 95422
(707) 995-4545
✔ PECOS✔ Accepts MedicareSame address
John Weeks, M.D.
Family Practice
NPI 1962473074
15230 LAKESHORE DR SUITE 101
Clearlake, CA 95422
(707) 994-7377
✔ PECOSSame address
Jeong Park, M.D.
Cardiovascular Disease (Cardiology)
NPI 1528078961
15250 LAKESHORE DR STE C
Clearlake, CA 95422
(707) 995-7077
✔ PECOS✔ Accepts MedicareSame address
Kundai Tanganyika, M.D
Cardiovascular Disease (Cardiology)
NPI 1861835811
15322 LAKESHORE DR STE 201
Clearlake, CA 95422
(707) 995-3764
✔ PECOS✔ Accepts MedicareSame address
Kiran Ubhayakar, M.D.
Critical Care (Intensivists)
NPI 1881838605
913 WASHINGTON ST
Calistoga, CA 94515
(707) 942-6233
✔ PECOS✔ Accepts Medicare26 mi
Elias Banuelos, MD
Family Practice
NPI 1366427064
911 WASHINGTON ST
Calistoga, CA 94515
(707) 709-2308
✔ PECOS✔ Accepts Medicare26 mi
Geoffrey Horn, DO
Diagnostic Radiology
NPI 1013117977
10 WOODLAND RD
Saint Helena, CA 94574
(707) 963-6430
✔ PECOS✔ Accepts Medicare29 mi
Alexis Shiffer, NP
Nurse Practitioner
NPI 1063134831
10 WOODLAND RD
Saint Helena, CA 94574
(707) 738-0015
✔ PECOS✔ Accepts Medicare29 mi
Stephen Banks, MD
Radiation Oncology
NPI 1770680852
10 WOODLAND RD
Saint Helena, CA 94574
(707) 967-5721
✔ PECOS✔ Accepts Medicare29 mi
Amizetta Clark, M.D.
Psychiatry
NPI 1841646353
10 WOODLAND RD
Saint Helena, CA 94574
(707) 963-3611
✔ PECOS✔ Accepts Medicare29 mi
Gansevoort Dunnington, M.D.
Cardiac Surgery
NPI 1336335140
10 WOODLAND RD
Saint Helena, CA 94574
(707) 963-6445
✔ PECOS✔ Accepts Medicare29 mi
Steven Herber, MD
Plastic and Reconstructive Surgery
NPI 1689778987
10 WOODLAND RD
Saint Helena, CA 94574
(707) 967-5981
✔ PECOS✔ Accepts Medicare29 mi
Ethan Schram, M.D.
Hematology/Oncology
NPI 1659320703
10 WOODLAND RD MARTIN-O'NEIL CANCER CENTER
Saint Helena, CA 94574
(707) 967-5721
✔ PECOS✔ Accepts Medicare29 mi
Lily Shamsnia, MD
Obstetrics/Gynecology
NPI 1598080772
10 WOODLAND RD
Saint Helena, CA 94574
(707) 967-7530
✔ PECOS✔ Accepts Medicare29 mi
Swaminadhan Gnanashanmugam, M.D.
Thoracic Surgery
NPI 1073765517
10 WOODLAND RD
Saint Helena, CA 94574
(650) 804-8093
✔ PECOS✔ Accepts Medicare29 mi
Monica Divakaruni, MD
Cardiovascular Disease (Cardiology)
NPI 1205883972
999 ADAMS ST STE 106
Saint Helena, CA 94574
(707) 963-4997
✔ PECOS✔ Accepts Medicare32 mi
Laurent Palmatier, MBBS
Hospitalist
NPI 1386175230
30 MARK WEST SPRINGS RD
Santa Rosa, CA 95403
(707) 992-5406
✔ PECOS✔ Accepts Medicare32 mi
Ryan Moore, MD
Orthopedic Surgery
NPI 1528266202
6 WOODLAND RD STE 202
Saint Helena, CA 94574
(707) 968-0670
✔ PECOS✔ Accepts Medicare32 mi
Matthew Cain, M.D.
Cardiac Electrophysiology
NPI 1912210931
6 WOODLAND RD STE 304
Saint Helena, CA 94574
(707) 963-7200
✔ PECOS✔ Accepts Medicare33 mi
Leonardo Clavijo, M.D.
Interventional Cardiology
NPI 1225088537
6 WOODLAND RD STE 304
Saint Helena, CA 94574
(707) 963-7200
✔ PECOS✔ Accepts Medicare33 mi
See all 673 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 1992242614. It was assigned to this organization in the NPPES registry on January 20, 2017.

Where is Adventist Health Physicians Network located?

Adventist Health Physicians Network is located at 15230 Lakeshore Dr, Clearlake, CA 95422. The listed phone number is (707) 995-4500.

What is Adventist Health Physicians Network's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Adventist Health Physicians Network enrolled in Medicare?

Yes. Adventist Health Physicians Network is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Adventist Health Physicians Network?

According to the CMS Revalidation Reassignment List (October 2026 release), 673 clinicians in 52 Medicare specialties reassign their Medicare billing to Adventist Health Physicians Network. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (130), Diagnostic Radiology (121) and Family Practice (65). Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Adventist Health Physicians Network was last updated on December 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.