ADVENTIST HEALTH PHYSICIANS NETWORK
NPI 1598451627
Family Medicine in Gridley, CA

Active since April 12, 2023CLIA 05D0617412 · Waiver
1548 HIGHWAY 99, GRIDLEY, CA 95948(530) 844-5655 Get Directions Write a Review

NPPES record last updated: September 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 8, 2025, Apr 12, 2023 (2 updates tracked since 2023).

About Adventist Health Physicians Network NPPES

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

ADVENTIST HEALTH PHYSICIANS NETWORK (NPI 1598451627) is a healthcare organization registered as a family medicine in Gridley, California and active in the NPI registry since April 2023. The organization holds a CLIA Waiver certificate valid through March 1, 2027 and lists Arby Nahapetian, President, as its authorized official.

NPPES Registry Identity

NPI1598451627
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameADVENTIST HEALTH PHYSICIANS NETWORK
Location Address1548 HIGHWAY 99Gridley, CA 95948-3121
Mailing AddressPo Box 888794Los Angeles, CA 90088-8794
Organization SubpartNo
Authorized OfficialArby NahapetianPresident · (818) 409-8000
Enumeration DateApril 12, 2023
Last NPPES UpdateSeptember 8, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2025
✔ NPI 1598451627 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1548 HIGHWAY 99, Gridley, CA 95948

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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, 1 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
Internal Medicine
NPI 1326544586
1548 HIGHWAY 99
Gridley, CA 95948
(530) 844-5655
✔ PECOS✔ Accepts MedicareSame address
Urology
NPI 1093135832
1531 PLUMAS CT STE B
Yuba City, CA 95991
(530) 751-4920
✔ PECOS✔ Accepts Medicare15 mi
Nurse Practitioner
NPI 1336779826
1162 LIVE OAK BLVD
Yuba City, CA 95991
(530) 743-5428
✔ PECOS✔ Accepts Medicare15 mi
Orthopedic Surgery
NPI 1336757970
370 DEL NORTE AVE STE 201
Yuba City, CA 95991
(530) 751-7201
✔ PECOS✔ Accepts Medicare15 mi
Nurse Practitioner
NPI 1679119135
370 DEL NORTE AVE STE 201
Yuba City, CA 95991
(530) 751-7201
✔ PECOS✔ Accepts Medicare15 mi
Podiatry
NPI 1356723266
370 DEL NORTE AVE STE 203
Yuba City, CA 95991
(530) 751-4015
✔ PECOS✔ Accepts Medicare15 mi
Orthopedic Surgery
NPI 1891292868
370 DEL NORTE AVE STE 201
Yuba City, CA 95991
(530) 751-7201
✔ PECOS✔ Accepts Medicare15 mi
Obstetrics/Gynecology
NPI 1558360032
1007 LIVE OAK BLVD SUITE B2
Yuba City, CA 95991
(530) 671-8718
✔ PECOS✔ Accepts Medicare15 mi
Diagnostic Radiology
NPI 1366455784
945 SHASTA ST
Yuba City, CA 95991
(530) 674-9000
✔ PECOS✔ Accepts Medicare15 mi
Internal Medicine
NPI 1689954406
900 THARP RD
Yuba City, CA 95993
(530) 844-5655
✔ PECOS✔ Accepts Medicare15 mi
Interventional Radiology
NPI 1093133597
945 SHASTA ST
Yuba City, CA 95991
(530) 674-9000
✔ PECOS✔ Accepts Medicare15 mi
Cardiovascular Disease (Cardiology)
NPI 1083680466
414 G ST SUITE 208
Marysville, CA 95901
(530) 741-1122
✔ PECOS✔ Accepts Medicare16 mi
Cardiac Electrophysiology
NPI 1184758799
414 G ST STE 210
Marysville, CA 95901
(513) 624-2070
✔ PECOS✔ Accepts Medicare16 mi
Registered Dietitian or Nutrition Professional
NPI 1750049896
481 PLUMAS BLVD STE 202
Yuba City, CA 95991
(530) 749-2409
✔ Accepts Medicare16 mi
Hospitalist
NPI 1962415794
481 PLUMAS BLVD SUITE 104
Yuba City, CA 95991
(530) 674-2434
✔ PECOS✔ Accepts Medicare16 mi
General Surgery
NPI 1437573045
481 PLUMAS BLVD STE 202
Yuba City, CA 95991
(530) 749-2409
✔ PECOS✔ Accepts Medicare16 mi
Family Practice
NPI 1598806390
481 PLUMAS BLVD SUITE 104
Yuba City, CA 95991
(530) 674-2434
✔ PECOS✔ Accepts Medicare16 mi
Interventional Cardiology
NPI 1235105610
414 G ST
Marysville, CA 95901
(530) 749-4300
✔ PECOS✔ Accepts Medicare17 mi
Cardiac Surgery
NPI 1588695902
401 I ST SUITE A
Marysville, CA 95901
(530) 743-5125
✔ PECOS✔ Accepts Medicare17 mi
Vascular Surgery
NPI 1184103988
414 G ST STE 112
Marysville, CA 95901
(530) 749-6650
✔ PECOS✔ Accepts Medicare17 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.

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 05D0617412

Adventist Health Physician Network · Gridley, CA
Active · expires Mar 1, 2027
CLIA Number05D0617412
Laboratory TypePhysician Office
Certificate Effective DateMarch 2, 2025
Certificate Expiration DateMarch 1, 2027
Laboratory DirectorDr. Ravi K. Sathi
Laboratory Phone(530) 751-4264
Laboratory LocationAdventist Health Physician Network1548 Highway 99, Gridley, CA 95948
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory to perform only waived tests.

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 1598451627. It was assigned to this organization in the NPPES registry on April 12, 2023.

Where is Adventist Health Physicians Network located?

Adventist Health Physicians Network is located at 1548 Highway 99, Gridley, CA 95948. The listed phone number is (530) 844-5655.

What is Adventist Health Physicians Network's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

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, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Adventist Health Physicians Network hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0617412) is associated with this NPI, valid through March 1, 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 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.