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ADVENTIST HEALTH PHYSICIANS NETWORK
NPI 1811356298
Family Medicine in Simi Valley, CA

Active since February 15, 2016
2876 SYCAMORE DR STE 101, SIMI VALLEY, CA 93065(805) 527-6424(805) 522-0115 Get Directions Write a Review

NPPES record last updated: December 21, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Dec 21, 2022, Jan 14, 2022, Aug 21, 2020 and 2 more (5 updates tracked since 2016).

About Adventist Health Physicians Network NPPES

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

ADVENTIST HEALTH PHYSICIANS NETWORK (NPI 1811356298) is a healthcare organization registered as a family medicine in Simi Valley, California and active in the NPI registry since February 2016. The organization lists Arby Nahapetian, President, as its authorized official.

NPPES Registry Identity

NPI1811356298
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameADVENTIST HEALTH PHYSICIANS NETWORK
Location Address2876 SYCAMORE DR STE 101Simi Valley, CA 93065-1550
Mailing AddressPo Box 888794Los Angeles, CA 90088-8794
Phone(805) 527-6424
Fax(805) 522-0115
Organization SubpartNo
Authorized OfficialArby NahapetianPresident · (702) 271-4998
Enumeration DateFebruary 15, 2016
Last NPPES UpdateDecember 21, 20225 updates tracked since enumeration
NPPES CertifiedDecember 21, 2022
✔ NPI 1811356298 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.
2876 SYCAMORE DR STE 101, Simi Valley, CA 93065
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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

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, 3 practice at this address and 26 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
Adam Clark, DO
Emergency Medicine
NPI 1861865610
2876 SYCAMORE DR STE 101
Simi Valley, CA 93065
(805) 527-0115
✔ PECOS✔ Accepts MedicareSame address
Jenna Gharzeddine, MD
Internal Medicine
NPI 1356827323
2876 SYCAMORE DR STE 101
Simi Valley, CA 93065
(805) 527-6424
✔ PECOS✔ Accepts MedicareSame address
Jonathan Kurohara, M.D
Family Practice
NPI 1427023407
2876 SYCAMORE DR SUITE 101
Simi Valley, CA 93065
(805) 527-6424
✔ PECOS✔ Accepts MedicareSame address
Rhea Manuel
Family Practice
NPI 1891376752
2755 ALAMO ST STE 201
Simi Valley, CA 93065
(805) 988-7070
✔ PECOS✔ Accepts Medicare0.1 mi
Rebecca Richmond
Nurse Practitioner
NPI 1356822951
2755 ALAMO ST STE 201
Simi Valley, CA 93065
(805) 578-9620
✔ PECOS✔ Accepts Medicare0.1 mi
Kevin Westbrook, M.D.
Family Practice
NPI 1508445859
2755 ALAMO ST STE 201
Simi Valley, CA 93065
(805) 988-7070
✔ PECOS✔ Accepts Medicare0.1 mi
Brittany Zeigler, NP
Nurse Practitioner
NPI 1639801376
2755 ALAMO ST # 201
Simi Valley, CA 93065
(805) 578-9620
✔ PECOS✔ Accepts Medicare0.1 mi
Masahiro Kushigemachi, M.D.
Family Practice
NPI 1386617058
2925 SYCAMORE DR SUITE 204/205
Simi Valley, CA 93065
(805) 578-9620
✔ PECOS✔ Accepts Medicare0.1 mi
Alberto Odio, M.D.
Family Practice
NPI 1821062316
2925 SYCAMORE DR SUITE 204/205
Simi Valley, CA 93065
(805) 578-9620
✔ PECOS✔ Accepts Medicare0.1 mi
Melanie Dreher
Nurse Practitioner
NPI 1679125413
2950 SYCAMORE DR
Simi Valley, CA 93065
(805) 955-7060
✔ PECOS✔ Accepts Medicare0.1 mi
Eugene Ahn, MD
Radiation Oncology
NPI 1912999533
2985 SYCAMORE DR
Simi Valley, CA 93065
(805) 584-6611
✔ PECOS✔ Accepts Medicare0.2 mi
Ari Kassardjian, MD
Radiation Oncology
NPI 1689200115
2985 SYCAMORE DR
Simi Valley, CA 93065
(805) 955-6000
✔ PECOS0.2 mi
Andrew Luckey, M.D.
General Surgery
NPI 1568516086
2650 JONES WAY SUITE 2
Simi Valley, CA 93065
(805) 577-7977
✔ PECOS✔ Accepts Medicare0.2 mi
Behdod Katebian
Urology
NPI 1699236612
2975 SYCAMORE DR
Simi Valley, CA 93065
(805) 955-6000
✔ PECOS✔ Accepts Medicare0.2 mi
John Dingilian, MD
Family Practice
NPI 1295828291
2750 SYCAMORE DR SUITE 202
Simi Valley, CA 93065
(805) 527-9140
✔ PECOS✔ Accepts Medicare0.2 mi
Lara Hindawi, RDN
Registered Dietitian or Nutrition Professional
NPI 1952181141
2750 SYCAMORE DR STE 201
Simi Valley, CA 93065
(805) 577-8460
0.2 mi
Desiree Sanchez, MD
Urology
NPI 1922539261
2750 SYCAMORE DR STE 210
Simi Valley, CA 93065
(805) 577-8460
✔ PECOS✔ Accepts Medicare0.2 mi
Daniel Takeda, M.D.
Family Practice
NPI 1124120977
2750 SYCAMORE DRIVE SUITE 202
Simi Valley, CA 93065
(805) 527-9140
✔ PECOS✔ Accepts Medicare0.2 mi
Laura Hamilton, FNP-C
Nurse Practitioner
NPI 1952803462
2996 KILAINE DR
Simi Valley, CA 93063
(805) 587-1424
✔ PECOS✔ Accepts Medicare0.9 mi
Klar Pasilaban, FNP
Nurse Practitioner
NPI 1104371806
1822 SPRINGGATE LN APT G
Simi Valley, CA 93065
(805) 256-7828
✔ PECOS✔ Accepts Medicare3.4 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.

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 1811356298. It was assigned to this organization in the NPPES registry on February 15, 2016.

Where is Adventist Health Physicians Network located?

Adventist Health Physicians Network is located at 2876 Sycamore Dr Ste 101, Simi Valley, CA 93065. The listed phone number is (805) 527-6424.

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), 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, 3 practice at this address and 26 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 December 21, 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.