DR. DIANA MARIE MUNOZ DO, MA, MPH
NPI 1811158900
Physical Medicine & Rehabilitation in Santa Ana, CA
About Dr. Diana Marie Munoz Do, Ma, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DIANA MARIE MUNOZ DO, MA, MPH (NPI 1811158900) is an individual physical medicine & rehabilitation provider in Santa Ana, California, licensed in California (20A10370) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Diana Marie Munoz Do, Ma, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Diana Munoz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Garden Grove, CA 92844
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
West Covina, CA 91790
- Reassigned Medicare billing, California enrollment
- 22 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.
Areas of Expertise CMS Part B claims 4
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.
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 Diana Munoz's NPI number?
The NPI number for Diana Munoz is 1811158900. It was assigned to this individual provider in the NPPES registry on June 20, 2008. The provider is also known as Dr. Diana Marie Munoz Do, Ma, Mph.
Where is Diana Munoz located?
Diana Munoz practices at 1805 E. Dyer Road #110, Santa Ana, CA 92705. The listed phone number is (949) 955-0022.
What is Diana Munoz's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Diana Munoz enrolled in Medicare?
Yes. Diana Munoz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Diana Munoz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Munoz reassigns Medicare benefits to 2 organizations: California Diagnostic Specialists, Inc. (Garden Grove, CA) and Precision Occupational Medical Group, Inc. (West Covina, 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 Diana Munoz'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 Diana Munoz was last updated on September 2, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.