Individual provider Active NPI

Barbara Elizabeth Prosniewski, PH.D.

  • Psychologist
  • Santa Rosa, CA
National Provider Identifier
1346626744
Registry record updated Apr 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
PSY17496 Issued in CA
Practice address
920 Mendocino Ave Ste 4
Santa Rosa, CA 95401-4860
Phone
(707) 583-2363
NPI assigned
Aug 7, 2015
Last updated
Apr 1, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 1, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X PSY17496 CA Primary

Addresses

Primary practice location

920 Mendocino Ave Ste 4
Santa Rosa, CA 95401-4860

Mailing address

920 Mendocino Ave Ste 4
Santa Rosa, CA 95401-4860
Phone (707) 583-2363

Other practice location 1

19375 Hwy 116
Monte Rio, CA 95462
Phone (707) 865-1200

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250408003456 CA Practitioner - Psychologist Billing Independently 9830613165 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Psychologist
Education
Other, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Redwood Psychology Center IncGroup PAC ID 2062880487, 4 clinicians

Practice addresses (Care Compare)

19375 Hwy 116
Monte Rio, CA 95462-9716
Phone (707) 865-1200

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
PSY17496CAMDPsychologist

Practice roles

OrganizationSpecialtyStatusNew patients
Redwood Psychology Center, Inc CurrentSince Jan 27, 2025 Accepting new patients
Redwood Psychology Center, Inc. PastSince Jan 27, 2025 Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1438905600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743465600000",
    "number": "1346626744",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "920 MENDOCINO AVE STE 4",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954014860",
            "telephone_number": "707-583-2363",
            "fax_number": "707-595-5385"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "920 MENDOCINO AVE STE 4",
            "city": "SANTA ROSA",
            "state": "CA",
            "postal_code": "954014860",
            "telephone_number": "707-583-2363"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "19375 Hwy 116",
            "address_purpose": "LOCATION",
            "city": "Monte Rio",
            "state": "CA",
            "postal_code": "95462",
            "country_code": "US",
            "telephone_number": "707-865-1200",
            "fax_number": "707-865-5122",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PROSNIEWSKI",
        "first_name": "BARBARA",
        "middle_name": "ELIZABETH",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2015-08-07",
        "last_updated": "2025-04-01",
        "certification_date": "2025-03-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "CA",
            "license": "PSY17496",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Rosa, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.