MICHAEL POON MAH M.D.
NPI 1568575975
Pediatrics - Neonatal-Perinatal Medicine in Los Angeles, CA
About Michael Poon Mah M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL POON MAH M.D. (NPI 1568575975) is an individual neonatal-perinatal medicine provider in Los Angeles, California, licensed in California (G61919) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Michael Poon Mah M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Michael Mah reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 323 clinicians in this Medicare group
Santa Monica, CA 90405
- Reassigned Medicare billing, California enrollment
- 1,939 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
LOS ANGELES, CA 90095
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 Michael Mah's NPI number?
The NPI number for Michael Mah is 1568575975. It was assigned to this individual provider in the NPPES registry on August 17, 2006.
Where is Michael Mah located?
Michael Mah practices at 10833 Le Conte Ave 12-441 Mdcc, Los Angeles, CA 90095. The listed phone number is (310) 206-3952.
What is Michael Mah's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Michael Mah enrolled in Medicare?
Yes. Michael Mah is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Mah's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Mah reassigns Medicare benefits to 2 organizations: Uc Regents (Los Angeles, CA) and County Of Los Angeles (Santa Monica, CA). Each 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 Michael Mah'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 Michael Mah was last updated on September 25, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.