ALEXANDRA SIERRA MA
NPI 1992325278
Counselor - Mental Health in Roseville, CA
About Alexandra Sierra Ma NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDRA SIERRA MA (NPI 1992325278) is an individual mental health provider in Roseville, California and active in the NPI registry since April 2020. 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)
Alexandra Sierra Ma is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Alexandra Sierra reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95054
- Reassigned Medicare billing, California enrollment
- 1,607 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.
ROSEVILLE, CA 95661
ROSEVILLE, CA 95661
ROSEVILLE, CA 95661
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 Alexandra Sierra's NPI number?
The NPI number for Alexandra Sierra is 1992325278. It was assigned to this individual provider in the NPPES registry on April 16, 2020.
Where is Alexandra Sierra located?
Alexandra Sierra practices at 406 Sunrise Ave, Roseville, CA 95661. The listed phone number is (916) 786-5207.
What is Alexandra Sierra's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Alexandra Sierra enrolled in Medicare?
Yes. Alexandra Sierra is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Alexandra Sierra's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Sierra reassigns Medicare benefits to Sud Specialty Group - Ca (Santa Clara, 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 Alexandra Sierra'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 Alexandra Sierra was last updated on April 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Alexandra Sierra, MA · NPI 1992325278
Mental Health provider in Roseville, California. Individual provider, active in the CMS NPPES registry since April 16, 2020.
## Identity
- **NPI:** 1992325278 (Entity type: Individual)
- **Enumerated:** April 16, 2020
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 406 SUNRISE AVE, Roseville, CA 95661-4106
- **Phone:** (916) 786-5207
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Sud Specialty Group - Ca (NPI 1972138238, Santa Clara, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 16, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1992325278) · Data from the CMS NPPES public registry.