HEALTHCARE PARTNERS AFFILIATES MEDICAL GROUP
NPI 1659312593
Internal Medicine in Los Angeles, CA
About Healthcare Partners Affiliates Medical Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HEALTHCARE PARTNERS AFFILIATES MEDICAL GROUP (NPI 1659312593), doing business as Optum, is a healthcare organization registered as an internal medicine in Los Angeles, California and active in the NPI registry since June 2006. The organization lists A Favors, Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 15
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Healthcare Partners Affiliates Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
2,052Medicare enrollment records show 2,052 clinicians reassign Medicare billing to Healthcare Partners Affiliates Medical Group, which bills Medicare for the services they deliver. Of these, 19 practice at this address and 317 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 52
Nearest to this location (20)
See all 2,052Los Angeles, CA 90015
Los Angeles, CA 90015
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 Healthcare Partners Affiliates Medical Group's NPI number?
The NPI number for Healthcare Partners Affiliates Medical Group is 1659312593. It was assigned to this organization in the NPPES registry on June 10, 2006. The provider is doing business as Optum.
Where is Healthcare Partners Affiliates Medical Group located?
Healthcare Partners Affiliates Medical Group is located at 1120 W Washington Blvd, Los Angeles, CA 90015. The listed phone number is (213) 623-2225.
What is Healthcare Partners Affiliates Medical Group's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Healthcare Partners Affiliates Medical Group enrolled in Medicare?
Yes. Healthcare Partners Affiliates Medical Group is registered in the Medicare PECOS enrollment system.
When is Healthcare Partners Affiliates Medical Group's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Healthcare Partners Affiliates Medical Group?
According to the CMS Revalidation Reassignment List (October 2026 release), 2,052 clinicians in 52 Medicare specialties reassign their Medicare billing to Healthcare Partners Affiliates Medical Group. 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 Internal Medicine (612), Family Practice (525) and Nurse Practitioner (373). Of these, 19 practice at this address and 317 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Healthcare Partners Affiliates Medical Group accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 3 other insurers list Healthcare Partners Affiliates Medical Group 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 Healthcare Partners Affiliates Medical Group was last updated on December 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Healthcare Partners Affiliates Medical Group · NPI 1659312593
Internal Medicine organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since June 10, 2006.
## Identity
- **NPI:** 1659312593 (Entity type: Organization)
- **Enumerated:** June 10, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Also known as:** Optum (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** A Favors, MANAGER
## Practice location
- **Address:** 1120 W WASHINGTON BLVD, Los Angeles, CA 90015-3316
- **Phone:** (213) 623-2225
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2,052 clinicians in 52 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (612), Family Practice (525), Nurse Practitioner (373); 19 practice at this address and 317 within 10 miles; [full list](https://npiprofile.com/npi/1659312593/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1659312593) · Data from the CMS NPPES public registry.