Barbara Prosniewski, PH.D.
NPI 1346626744 · Psychologist · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Psychologist Billing Independently · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Prosniewski, PH.D. is a Psychologist provider in Santa Rosa, CA (NPI 1346626744).
Provider details
- NPI number
- 1346626744
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY17496 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 19375 Hwy 116Monte Rio, CA 95462Phone: (707) 865-1200Fax: (707) 865-5122
Registry dates
- Enumerated
- 2015-08-07
- Last updated
- 2025-04-01
- Certified
- 2025-03-24
Frequently asked questions
- What is Barbara Prosniewski's NPI number?
- Barbara Prosniewski's National Provider Identifier (NPI) is 1346626744, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Prosniewski's specialty?
- Barbara Prosniewski is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Barbara Prosniewski located?
- Barbara Prosniewski's practice location on file with NPPES is 920 Mendocino Ave Ste 4, Santa Rosa, CA 95401-4860.
- What is Barbara Prosniewski's phone number?
- The practice phone number listed in the NPPES registry for Barbara Prosniewski is (707) 583-2363.
- Does Barbara Prosniewski accept Medicare?
- Barbara Prosniewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Prosniewski's NPI active?
- Yes — Barbara Prosniewski's NPI (1346626744) is active in the NPPES registry as of the last update on 2025-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.