ADVENTIST HEALTH PHYSICIANS NETWORK
NPI 1841666534
Internal Medicine - Hematology & Oncology in Thousand Oaks, 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 1841666534) is a healthcare organization registered as a hematology & oncology in Thousand Oaks, California and active in the NPI registry since August 2015. The organization lists Adrian Serna, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
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, 9 practice 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 1841666534. It was assigned to this organization in the NPPES registry on August 17, 2015.
Where is Adventist Health Physicians Network located?
Adventist Health Physicians Network is located at 425 Haaland Dr 101, Thousand Oaks, CA 91361. The listed phone number is (805) 496-2949.
What is Adventist Health Physicians Network's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
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, 9 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Adventist Health Physicians Network accept?
Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Adventist Health Physicians Network as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Adventist Health Physicians Network was last updated on November 27, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Adventist Health Physicians Network · NPI 1841666534
Hematology & Oncology organization in Thousand Oaks, California. Organization record, active in the CMS NPPES registry since August 17, 2015.
## Identity
- **NPI:** 1841666534 (Entity type: Organization)
- **Enumerated:** August 17, 2015
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Organization subpart:** No
- **Authorized official:** Adrian Serna, CFO
## Practice location
- **Address:** 425 HAALAND DR, 101, Thousand Oaks, CA 91361-5229
- **Phone:** (805) 496-2949
## 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); 9 practice within 10 miles; [full list](https://npiprofile.com/npi/1841666534/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 27, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1841666534) · Data from the CMS NPPES public registry.