Active NPI
Adventist Health Physicians Network
- Radiation Oncology Physician
- Simi Valley, CA
National Provider Identifier
1720831720
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Radiation Oncology Physician
- Legal business name
- ADVENTIST HEALTH PHYSICIANS NETWORK
- Practice address
- 2985 Sycamore Dr
Simi Valley, CA 93065-1201 - Phone
- (805) 584-6611
- NPI assigned
- Apr 9, 2024
- Last updated
- Sep 22, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Arby Nahapetian
- Title
- President
- Phone
- (818) 409-8000
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Radiation Oncology Physician | 2085R0001X | Primary |
Addresses
Primary practice location
2985 Sycamore Dr
Simi Valley, CA 93065-1201
Mailing address
PO Box 888794
Los Angeles, CA 90088-8794
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| CONNECT URL | https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service | Other | Bluemark LLC / Office Ally |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20120726000175 | CA | Part B Supplier - Clinic/Group Practice | 3274580972 |
Receives reassigned benefits from 135 practitioners 45 other NPIs on this enrollment This NPI is an additional NPI on the enrollment Practice locations: Los Angeles, CA; Moorpark, CA; San Luis Obispo, CA; Simi Valley, CA; Templeton, CA; Glendale, CA; La Canada, CA; Atascadero, CA |
Other NPIs on the same Medicare enrollment 45
NPIs listed together on one Medicare enrollment, typically parts of the same organization.
-
- Obstetrics & Gynecology Physician
- Glendale, CA
- NPI 1861922692
O20120726000175
-
- Orthopaedic Surgery Physician
- La Canada, CA
- NPI 1003217654
O20120726000175
-
- General Practice Physician
- Los Angeles, CA
- NPI 1063892867
O20120726000175
-
- Orthopaedic Surgery Physician
- Glendale, CA
- NPI 1083130587
O20120726000175
-
- Hematology & Oncology Physician
- Glendale, CA
- NPI 1083347835
O20120726000175
-
- Family Medicine Physician
- Glendale, CA
- NPI 1083976294
O20120726000175
-
- Family Medicine Physician
- Simi Valley, CA
- NPI 1144075938
O20120726000175
-
- Obstetrics & Gynecology Physician
- Glendale, CA
- NPI 1184046864
O20120726000175
-
- Orthopaedic Surgery Physician
- Los Angeles, CA
- NPI 1306226261
O20120726000175
-
- Vascular Surgery Physician
- Glendale, CA
- NPI 1316327182
O20120726000175
-
- Urgent Care Clinic/Center
- Glendale, CA
- NPI 1407101447
O20120726000175
National Provider Directory
National Provider Directory- Tax ID family
- Adventist Health Physicians
Organizations with this tax ID in the same state 24
This tax ID family is large, so up to 24 of its organizations in the same state are linked here.
-
- Family Medicine Physician
- Simi Valley, CA
- NPI 1669138947
-
- Neurology Physician
- Selma, CA
- NPI 1669803003
-
- Nephrology Physician
- Chico, CA
- NPI 1669930723
-
- Otolaryngology Physician
- Hanford, CA
- NPI 1679367981
-
- Surgery Physician
- Simi Valley, CA
- NPI 1679928287
-
- Cardiovascular Disease Physician
- Saint Helena, CA
- NPI 1689971889
-
- Endocrinology, Diabetes & Metabolism Physician
- Lodi, CA
- NPI 1699127316
-
- Multi-Specialty Clinic/Center
- Lakeport, CA
- NPI 1699169367
-
- Orthopaedic Surgery Physician
- Willits, CA
- NPI 1699372326
-
- Family Medicine Physician
- Calistoga, CA
- NPI 1710284963
-
- Gastroenterology Physician
- Saint Helena, CA
- NPI 1720400427
-
- Surgery Physician
- Visalia, CA
- NPI 1720417272
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1712620800000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1758499200000",
"number": "1720831720",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 888794",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900888794"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2985 SYCAMORE DR",
"city": "SIMI VALLEY",
"state": "CA",
"postal_code": "930651201",
"telephone_number": "805-584-6611"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "ADVENTIST HEALTH PHYSICIANS NETWORK",
"organizational_subpart": "NO",
"enumeration_date": "2024-04-09",
"last_updated": "2025-09-22",
"certification_date": "2025-09-22",
"status": "A",
"authorized_official_last_name": "NAHAPETIAN",
"authorized_official_first_name": "ARBY",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "818-409-8000"
},
"taxonomies": [
{
"code": "2085R0001X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Radiology, Radiation Oncology",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "CONNECT",
"endpointTypeDescription": "CONNECT URL",
"endpoint": "https://esmd.officeally.io:8291/Gateway/DocumentSubmission/2_0/NhinService/XDRRequest_Service",
"affiliation": "Y",
"endpointDescription": "2.16.840.1.113883.3.2019.3",
"affiliationName": "Bluemark LLC / Office Ally",
"use": "OTHER",
"useDescription": "Other",
"useOtherDescription": "CMS esMD eMDR",
"address_1": "2985 Sycamore Dr",
"city": "Simi Valley",
"state": "CA",
"country_code": "US",
"postal_code": "930651201",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Simi Valley, CA
- Adventist Health Physicians Network
- Adventist Health Physicians Network
- Adventist Health Physicians Network
- Adventist Health Physicians Network
- Adventist Health Physicians Network
- Adventist Health Physicians Network
- Adventist Health Physicians Network
- Adventist Health Physicians Network
- Adventist Health Physicians Network
- Aegis Treatment Centers, LLC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.