ADVENTIST HEALTH PHYSICIANS NETWORK
NPI 1427310648
Internal Medicine - Endocrinology, Diabetes & Metabolism in La Canada Flintridge, CA

Active since June 13, 2012
1975 VERDUGO BLVD STE B, LA CANADA FLINTRIDGE, CA 91011(818) 637-7980(818) 637-7985 Get Directions Write a Review

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

Record update history: Dec 20, 2022, Feb 15, 2022, Jan 14, 2022 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 1427310648) is a healthcare organization registered as an endocrinology, diabetes & metabolism in La Canada Flintridge, California and active in the NPI registry since June 2012. The organization lists Arby Nahapetian, President, as its authorized official.

NPPES Registry Identity

NPI1427310648
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameADVENTIST HEALTH PHYSICIANS NETWORK
Location Address1975 VERDUGO BLVD STE BLa Canada Flintridge, CA 91011-3024
Mailing AddressPo Box 888794Los Angeles, CA 90088-8794
Fax(818) 637-7985
Organization SubpartNo
Authorized OfficialArby NahapetianPresident · (818) 409-8000
Enumeration DateJune 13, 2012
Last NPPES UpdateJune 8, 20264 updates tracked since enumeration
NPPES CertifiedJune 8, 2026
✔ NPI 1427310648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
Also ListedPediatricsTaxonomy 208000000X
1975 VERDUGO BLVD STE B, La Canada Flintridge, CA 91011

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

138

Medicare enrollment records show 138 clinicians reassign Medicare billing to Adventist Health Physicians Network, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 51 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 22

Family Practice31
Nurse Practitioner18
Obstetrics/Gynecology15
Urology14
General Surgery10
Endocrinology8
Cardiovascular Disease (Cardiology)7
Internal Medicine6
14 other specialties29

Nearest to this location (20)

See all 138
Family Practice
NPI 1174265078
1975 VERDUGO BLVD STE A
La Canada Flintridge, CA 91011
(818) 630-8685
✔ PECOS✔ Accepts MedicareSame address
Cardiovascular Disease (Cardiology)
NPI 1982790812
1808 VERDUGO BLVD SUITE 414
Glendale, CA 91208
(818) 952-1426
✔ PECOS✔ Accepts Medicare0.3 mi
Colorectal Surgery (Proctology)
NPI 1093909624
2101 BROADVIEW DR
Glendale, CA 91208
(818) 744-6407
✔ PECOS✔ Accepts Medicare0.3 mi
Radiation Oncology
NPI 1417278201
381 MERRILL AVE
Glendale, CA 91206
(818) 409-8198
✔ PECOS✔ Accepts Medicare3.7 mi
Nurse Practitioner
NPI 1649964081
1505 WILSON TER STE 370
Glendale, CA 91206
(818) 630-8680
✔ PECOS✔ Accepts Medicare3.7 mi
Internal Medicine
NPI 1841986163
1560 E CHEVY CHASE DR STE 245
Glendale, CA 91206
(818) 246-5900
✔ PECOS3.7 mi
Urology
NPI 1003203738
1560 E CHEVY CHASE DR STE 325
Glendale, CA 91206
(818) 630-8650
✔ PECOS✔ Accepts Medicare3.7 mi
Internal Medicine
NPI 1699738047
1560 E CHEVY CHASE DR STE 245
Glendale, CA 91206
(818) 246-5900
✔ PECOS✔ Accepts Medicare3.7 mi
Family Practice
NPI 1992377790
1560 E CHEVY CHASE DR STE 355
Glendale, CA 91206
(747) 212-3441
✔ PECOS✔ Accepts Medicare3.7 mi
General Surgery
NPI 1386037356
1560 E CHEVY CHASE DR STE 430
Glendale, CA 91206
(818) 243-1135
✔ PECOS✔ Accepts Medicare3.7 mi
General Surgery
NPI 1629488358
1560 E CHEVY CHASE DR STE 430
Glendale, CA 91206
(818) 243-1135
✔ PECOS✔ Accepts Medicare3.7 mi
Family Practice
NPI 1437618469
1560 E CHEVY CHASE DR STE 355
Glendale, CA 91206
(747) 212-3441
✔ PECOS✔ Accepts Medicare3.7 mi
Orthopedic Surgery
NPI 1083696074
1505 WILSON TER SUITE 200
Glendale, CA 91206
(818) 246-8974
✔ PECOS✔ Accepts Medicare3.7 mi
Nurse Practitioner
NPI 1568273456
1505 WILSON TER STE 300
Glendale, CA 91206
(818) 409-8000
✔ PECOS✔ Accepts Medicare3.7 mi
Gastroenterology
NPI 1831356732
1505 WILSON TER STE 300
Glendale, CA 91206
(818) 630-8653
✔ PECOS✔ Accepts Medicare3.7 mi
Sports Medicine
NPI 1568921344
1509 WILSON TER
Glendale, CA 91206
(818) 409-8328
✔ PECOS✔ Accepts Medicare3.7 mi
Pediatric Medicine
NPI 1336177484
544 N GLENDALE AVE STE B
Glendale, CA 91206
(747) 212-3441
✔ PECOS✔ Accepts Medicare3.8 mi
Obstetrics/Gynecology
NPI 1609830348
1505 WILSON TERRACE SUITE 350
Glendale, CA 91206
(818) 243-8431
✔ PECOS3.8 mi
Cardiovascular Disease (Cardiology)
NPI 1134165194
1505 WILSON TER SUITE 320
Glendale, CA 91206
(818) 243-3147
✔ PECOS✔ Accepts Medicare3.8 mi
Endocrinology
NPI 1417911314
801 S CHEVY CHASE DR #102
Glendale, CA 91205
(818) 265-2242
✔ PECOS✔ Accepts Medicare4.9 mi
See all 138 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 05D2047629

Adventist Health Physicians Network · La Canada, CA
Expired · Sep 27, 2026
CLIA Number05D2047629
Laboratory TypePhysician Office
Certificate Effective DateSeptember 28, 2024
Certificate Expiration DateSeptember 27, 2026
Laboratory DirectorSerena Tu
Laboratory Phone(818) 637-7980
Laboratory LocationAdventist Health Physicians Network1975 Verdugo Blvd, La Canada, CA 91011
CLIA data matches this NPI record on: Name Phone
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 1427310648. It was assigned to this organization in the NPPES registry on June 13, 2012.

Where is Adventist Health Physicians Network located?

Adventist Health Physicians Network is located at 1975 Verdugo Blvd Ste B, La Canada Flintridge, CA 91011. The listed phone number is (818) 637-7980.

What is Adventist Health Physicians Network's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

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), 138 clinicians in 22 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 Family Practice (31), Nurse Practitioner (18) and Obstetrics/Gynecology (15). Of these, 1 practice at this address and 51 within 10 miles. 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 June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.