EVA TERESA NADEAU
NPI 1417674979
Occupational Therapist in Rancho Santa Margarita, CA
About Eva Teresa Nadeau NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EVA TERESA NADEAU (NPI 1417674979) is an individual occupational therapist in Rancho Santa Margarita, California and active in the NPI registry since October 2022. She is a graduate of Other (2025).
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
Eva Teresa Nadeau 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 Reassignment
Medicare enrollment records show Eva Nadeau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Billings, MT 59106
- Reassigned Medicare billing, California enrollment
- 332 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RANCHO SANTA MARGARITA, CA 92688
RANCHO SANTA MARGARITA, CA 92688
RANCHO SANTA MARGARITA, CA 92688
RANCHO SANTA MARGARITA, CA 92688
RANCHO SANTA MARGARITA, CA 92688
RANCHO SANTA MARGARITA, CA 92688
RANCHO SANTA MARGARITA, CA 92688
RANCHO SANTA MARGARITA, CA 92688
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 Eva Nadeau's NPI number?
The NPI number for Eva Nadeau is 1417674979. It was assigned to this individual provider in the NPPES registry on October 25, 2022.
Where is Eva Nadeau located?
Eva Nadeau practices at 29811 Santa Margarita Pkwy Ste 600, Rancho Santa Margarita, CA 92688. The listed phone number is (949) 600-5439.
What is Eva Nadeau's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Eva Nadeau enrolled in Medicare?
Yes. Eva Nadeau 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 organization bills Medicare for Eva Nadeau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eva Nadeau reassigns Medicare benefits to Orthopaedic And Neurological Rehab Inc (Billings, MT). 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 Eva Nadeau'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 Eva Nadeau was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.