MARY ANN MAGOUN D.O.
NPI 1467472381
Pediatrics in Pomona, CA
About Mary Ann Magoun D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ANN MAGOUN D.O. (NPI 1467472381) is an individual pediatrics provider in Pomona, California, licensed in California (20A8657) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mary Ann Magoun D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Ann Magoun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pomona, CA 91766
- Reassigned Medicare billing, California enrollment
- 82 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91776 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mary Ann Magoun's NPI number?
The NPI number for Mary Ann Magoun is 1467472381. It was assigned to this individual provider in the NPPES registry on July 21, 2006.
Where is Mary Ann Magoun located?
Mary Ann Magoun practices at 795 E. Second Street Suite 5, Pomona, CA 91776. The listed phone number is (909) 865-2565.
What is Mary Ann Magoun's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Mary Ann Magoun enrolled in Medicare?
Yes. Mary Ann Magoun is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Ann Magoun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Ann Magoun reassigns Medicare benefits to Western University Of Health Sciences (Pomona, 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 Mary Ann Magoun'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 Mary Ann Magoun was last updated on September 1, 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.