MR. MAYER MAYER M.D.
NPI 1952311409
Obstetrics & Gynecology in Huntington Park, CA
About Mr. Mayer Mayer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MAYER MAYER M.D. (NPI 1952311409) is an individual obstetrics & gynecology provider in Huntington Park, California, licensed in California (G69356) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 5
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Mayer Mayer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mayer Mayer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Huntington Park, CA 90255
- Reassigned Medicare billing, California enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90255 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HUNTINGTON PARK, CA 90255
HUNTINGTON PARK, CA 90255
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 Mayer Mayer's NPI number?
The NPI number for Mayer Mayer is 1952311409. It was assigned to this individual provider in the NPPES registry on August 8, 2006. The provider is also known as Mr. Ralph Mayer M.D..
Where is Mayer Mayer located?
Mayer Mayer practices at 2568 Clarendon Ave, Huntington Park, CA 90255. The listed phone number is (323) 582-5444.
What is Mayer Mayer's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mayer Mayer enrolled in Medicare?
Yes. Mayer Mayer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mayer Mayer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mayer Mayer reassigns Medicare benefits to Mayer MD Inc. (Huntington Park, CA). The 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 Mayer Mayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mayer Mayer was last updated on July 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.