ADVENTIST HEALTH PHYSICIANS NETWORK
NPI 1720831720
Radiology - Radiation Oncology in Simi Valley, CA
About Adventist Health Physicians Network NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADVENTIST HEALTH PHYSICIANS NETWORK (NPI 1720831720) is a healthcare organization registered as a radiation oncology in Simi Valley, California and active in the NPI registry since April 2024. The organization lists Arby Nahapetian, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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
138Medicare enrollment records show 138 clinicians reassign Medicare billing to Adventist Health Physicians Network, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 26 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 22
Nearest to this location (20)
See all 138Source: 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 1720831720. It was assigned to this organization in the NPPES registry on April 9, 2024.
Where is Adventist Health Physicians Network located?
Adventist Health Physicians Network is located at 2985 Sycamore Dr, Simi Valley, CA 93065. The listed phone number is (805) 584-6611.
What is Adventist Health Physicians Network's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
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, 2 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 September 22, 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.
# Adventist Health Physicians Network · NPI 1720831720
Radiation Oncology organization in Simi Valley, California. Organization record, active in the CMS NPPES registry since April 9, 2024.
## Identity
- **NPI:** 1720831720 (Entity type: Organization)
- **Enumerated:** April 9, 2024
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **Organization subpart:** No
- **Authorized official:** Arby Nahapetian, PRESIDENT
## Practice location
- **Address:** 2985 SYCAMORE DR, Simi Valley, CA 93065-1201
- **Phone:** (805) 584-6611
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 138 clinicians in 22 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (31), Nurse Practitioner (18), Obstetrics/Gynecology (15); 2 practice at this address and 26 within 10 miles; [full list](https://npiprofile.com/npi/1720831720/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1720831720) · Data from the CMS NPPES public registry.