DR. BARBARA ELIZABETH PROSNIEWSKI PH.D.
NPI 1346626744
Psychologist in Santa Rosa, CA
About Dr. Barbara Elizabeth Prosniewski Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BARBARA ELIZABETH PROSNIEWSKI PH.D. (NPI 1346626744) is an individual psychologist in Santa Rosa, California, licensed in California (PSY17496) and active in the NPI registry since August 2015. She maintains a secondary practice location in Monte Rio and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Barbara Elizabeth Prosniewski Ph.d. 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 Barbara Prosniewski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Monte Rio, CA 95462
- Reassigned Medicare billing, California enrollment
- 7 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.
SANTA ROSA, CA 95401
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 Barbara Prosniewski's NPI number?
The NPI number for Barbara Prosniewski is 1346626744. It was assigned to this individual provider in the NPPES registry on August 7, 2015.
Where is Barbara Prosniewski located?
Barbara Prosniewski practices at 920 Mendocino Ave Ste 4, Santa Rosa, CA 95401. The listed phone number is (707) 583-2363.
What is Barbara Prosniewski's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Barbara Prosniewski enrolled in Medicare?
Yes. Barbara Prosniewski 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 Barbara Prosniewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Prosniewski reassigns Medicare benefits to Redwood Psychology Center, Inc (Monte Rio, 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 Barbara Prosniewski'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 Barbara Prosniewski was last updated on April 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.