DIANNA VILLEGAS
NPI 1306292065
Marriage & Family Therapist in Fairfield, CA
About Dianna Villegas NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANNA VILLEGAS (NPI 1306292065) is an individual marriage & family therapist in Fairfield, California, licensed in California (154224) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fairfield, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Secondary Practice Location 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
Dianna Villegas 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 Dianna Villegas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- 73 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.
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 Dianna Villegas's NPI number?
The NPI number for Dianna Villegas is 1306292065. It was assigned to this individual provider in the NPPES registry on May 11, 2016. The provider is also known as Dianna Mota.
Where is Dianna Villegas located?
Dianna Villegas practices at 275 Beck Ave, Fairfield, CA 94533. The listed phone number is (707) 784-8025.
What is Dianna Villegas's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Dianna Villegas enrolled in Medicare?
Yes. Dianna Villegas 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 Dianna Villegas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dianna Villegas reassigns Medicare benefits to County Of Solano (Fairfield, 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 Dianna Villegas'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 Dianna Villegas was last updated on April 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.