MONROVIA HEALTH CENTER
NPI 1659565406
Clinic/Center - Public Health, State or Local in Monrovia, CA
About Monrovia Health Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONROVIA HEALTH CENTER (NPI 1659565406) is a healthcare organization registered as a public health, state or local in Monrovia, California and active in the NPI registry since September 2007. The organization lists Barbara Ferrer, Director Of Public Health, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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)
Monrovia Health Center 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 Monrovia Health Center, which bills Medicare for the services they deliver. Of these, 72 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 1,934Duarte, CA 91010
Arcadia, CA 91007
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 1659565406. It was assigned to this organization in the NPPES registry on September 4, 2007. The provider is doing business as Monrovia Health Center.
Where is County Of Los Angeles located?
County Of Los Angeles is located at 330 W Maple Ave, Monrovia, CA 91016. The listed phone number is (626) 256-1600.
What is County Of Los Angeles's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Public Health, State or Local, with taxonomy code 261QP0905X.
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, 72 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 May 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Monrovia Health Center · NPI 1659565406
Public Health, State or Local organization in Monrovia, California. Organization record, active in the CMS NPPES registry since September 4, 2007.
## Identity
- **NPI:** 1659565406 (Entity type: Organization)
- **Enumerated:** September 4, 2007
- **Primary specialty:** Clinic/Center - Public Health, State or Local · taxonomy 261QP0905X
- **Legal business name:** County Of Los Angeles
- **Organization subpart:** Yes (part of County Of Los Angeles)
- **Authorized official:** Barbara Ferrer, DIRECTOR OF PUBLIC HEALTH
## Practice location
- **Address:** 330 W MAPLE AVE, Monrovia, CA 91016-3332
- **Phone:** (626) 256-1600
## 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); 72 practice within 10 miles; [full list](https://npiprofile.com/npi/1659565406/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 10, 2021
- **Other identifiers:** Medicaid ZZW16102F (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1659565406) · Data from the CMS NPPES public registry.