BRIANNA GUIZAR
NPI 1548683741
Counselor - Mental Health in Vallejo, CA
About Brianna Guizar NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIANNA GUIZAR (NPI 1548683741) is an individual mental health provider in Vallejo, California, licensed in California (LCSW115722) and active in the NPI registry since January 2014. She is enrolled in Medicare PECOS.
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 (PECOS)
Brianna Guizar is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Brianna Guizar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VALLEJO, CA 94589
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 Brianna Guizar's NPI number?
The NPI number for Brianna Guizar is 1548683741. It was assigned to this individual provider in the NPPES registry on January 24, 2014.
Where is Brianna Guizar located?
Brianna Guizar practices at 4300 Sonoma Blvd Ste 25, Vallejo, CA 94589. The listed phone number is (707) 561-7150.
What is Brianna Guizar's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Brianna Guizar enrolled in Medicare?
Yes. Brianna Guizar is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Brianna Guizar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brianna Guizar reassigns Medicare benefits to Grow Healthcare Group PC (San Jose, 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 Brianna Guizar'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 Brianna Guizar was last updated on June 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Brianna Guizar · NPI 1548683741
Mental Health provider in Vallejo, California. Individual provider, active in the CMS NPPES registry since January 24, 2014.
## Identity
- **NPI:** 1548683741 (Entity type: Individual)
- **Enumerated:** January 24, 2014
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** LCSW115722 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4300 SONOMA BLVD STE 25, Vallejo, CA 94589-2276
- **Phone:** (707) 561-7150
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Grow Healthcare Group PC (NPI 1154994846, San Jose, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1548683741) · Data from the CMS NPPES public registry.