COUNTY OF LOS ANGELES
NPI 1407468507
Clinic/Center - Primary Care in Los Angeles, CA
About County Of Los Angeles NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COUNTY OF LOS ANGELES (NPI 1407468507), doing business as Star Clinic, is a healthcare organization registered as a primary care in Los Angeles, California and active in the NPI registry since August 2020. The organization lists Quentin O'brien, Ambulatory Care Network, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 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)
County Of Los Angeles is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
1,934Medicare enrollment records show 1,934 clinicians reassign Medicare billing to County Of Los Angeles, which bills Medicare for the services they deliver. Of these, 376 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 67
Nearest to this location (20)
See all 1,934Los Angeles, CA 90012
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 County Of Los Angeles's NPI number?
The NPI number for County Of Los Angeles is 1407468507. It was assigned to this organization in the NPPES registry on August 19, 2020. The provider is doing business as Star Clinic.
Where is County Of Los Angeles located?
County Of Los Angeles is located at 242 E 6th St, Los Angeles, CA 90014. The listed phone number is (213) 833-5300.
What is County Of Los Angeles's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is County Of Los Angeles enrolled in Medicare?
Yes. County Of Los Angeles is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through County Of Los Angeles?
According to the CMS Revalidation Reassignment List (October 2026 release), 1,934 clinicians in 67 Medicare specialties reassign their Medicare billing to County Of Los Angeles. 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 (263), Diagnostic Radiology (203) and Nurse Practitioner (196). Of these, 376 practice 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 County Of Los Angeles was last updated on August 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# County Of Los Angeles · NPI 1407468507
Primary Care organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since August 19, 2020.
## Identity
- **NPI:** 1407468507 (Entity type: Organization)
- **Enumerated:** August 19, 2020
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Also known as:** Star Clinic (Doing Business As)
- **Organization subpart:** Yes (part of County Of Los Angeles)
- **Authorized official:** Quentin O'brien, AMBULATORY CARE NETWORK, CEO
## Practice location
- **Address:** 242 E 6TH ST, Los Angeles, CA 90014-2117
- **Phone:** (213) 833-5300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1,934 clinicians in 67 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (263), Diagnostic Radiology (203), Nurse Practitioner (196); 376 practice within 10 miles; [full list](https://npiprofile.com/npi/1407468507/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 19, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1407468507) · Data from the CMS NPPES public registry.