MICHAEL E VALDIVIA MD
NPI 1306541347
Emergency Medicine in Orange, CA
About Michael E Valdivia Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL E VALDIVIA MD (NPI 1306541347) is an individual emergency medicine provider in Orange, California, licensed in California (A197351) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of University Of Cincinnati College Of Medicine (2023).
NPPES Registry Identity
Specialties & Licenses
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
Michael E Valdivia Md 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 Michael Valdivia reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 219 clinicians in this Medicare group
Avalon, CA 90704
- Reassigned Medicare billing, California enrollment
- 42 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 92868 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORANGE, CA 92868
ORANGE, CA 92868
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 Valdivia's NPI number?
The NPI number for Michael Valdivia is 1306541347. It was assigned to this individual provider in the NPPES registry on March 31, 2023.
Where is Michael Valdivia located?
Michael Valdivia practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-5239.
What is Michael Valdivia's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michael Valdivia enrolled in Medicare?
Yes. Michael Valdivia 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 Michael Valdivia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Valdivia reassigns Medicare benefits to 2 organizations: Regents Of The University Of (Orange, CA) and Avalon Medical Development Corporation (Avalon, 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 Valdivia'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 Valdivia was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Michael E Valdivia, MD · NPI 1306541347
Emergency Medicine physician in Orange, California. Individual provider, active in the CMS NPPES registry since March 31, 2023.
## Identity
- **NPI:** 1306541347 (Entity type: Individual)
- **Enumerated:** March 31, 2023
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A197351 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-5239
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of (NPI 1154379394, Orange, CA); Avalon Medical Development Corporation (NPI 1346250347, Avalon, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Cincinnati College Of Medicine, class of 2023
## Record status
- **NPPES last updated:** July 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1306541347) · Data from the CMS NPPES public registry.