DIANNA MARIE VILLANUEVA
NPI 1255445722
Marriage & Family Therapist in Anaheim, CA
About Dianna Marie Villanueva NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANNA MARIE VILLANUEVA (NPI 1255445722) is an individual marriage & family therapist in Anaheim, California, licensed in California (LMFT78625) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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 (PECOS)
Dianna Marie Villanueva is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Dianna Villanueva reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fullerton, CA 92833
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 3,139 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.
ANAHEIM, CA 92801
ANAHEIM, CA 92801
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 Villanueva's NPI number?
The NPI number for Dianna Villanueva is 1255445722. It was assigned to this individual provider in the NPPES registry on August 19, 2006. The provider is also known as Dianna Marie Baca.
Where is Dianna Villanueva located?
Dianna Villanueva practices at 1188 N Euclid St, Anaheim, CA 92801. The listed phone number is (888) 988-2800.
What is Dianna Villanueva's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Dianna Villanueva enrolled in Medicare?
Yes. Dianna Villanueva is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Dianna Villanueva's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dianna Villanueva reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Fullerton, CA) and Grow Healthcare Group PC (San Jose, 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 Dianna Villanueva'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 Villanueva was last updated on May 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dianna Marie Villanueva · NPI 1255445722
Marriage & Family Therapist provider in Anaheim, California. Individual provider, active in the CMS NPPES registry since August 19, 2006.
## Identity
- **NPI:** 1255445722 (Entity type: Individual)
- **Enumerated:** August 19, 2006
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **State license:** LMFT78625 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1188 N EUCLID ST, Anaheim, CA 92801-1900
- **Phone:** (888) 988-2800
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1336556059, Fullerton, CA); Grow Healthcare Group PC (NPI 1154994846, San Jose, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 6, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1255445722) · Data from the CMS NPPES public registry.