Individual provider Active NPI

A. Steven Frankel, PH.D.

  • Psychologist
  • Walnut Creek, CA
National Provider Identifier
1588100770
Registry record updated Mar 12, 2020
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
PSY3354 Issued in CA
Practice address
43 Quail Court
Suite 110
Walnut Creek, CA 94596
Phone
(925) 943-6175
Fax
(925) 944-8889
NPI assigned
Jan 11, 2017
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 12, 2020

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X PSY3354 CA Primary

Addresses

Primary practice location

43 Quail Court
Suite 110
Walnut Creek, CA 94596

Mailing address

PO Box 750
Occidental, CA 95465-0750
Phone (925) 408-2258

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
Not listed in the public Medicare enrollment file

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
PSY3354CAMDPsychologist
3354CAMDAudiologist-Hearing Aid Fitter

Practice roles

OrganizationSpecialtyStatusNew patients
Seek Optimal Health a Professional Corporation PastSince Sep 8, 2025 Accepting new patients
Redwood Psychology Center, Inc PastSince Jul 26, 2022 Accepting new patients
Redwood Psychology Center, Inc. Past Accepting new patients
Return to Movement, Inc Past Accepting new patients

Organizations & group practices 4

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": "1484092800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1583971200000",
    "number": "1588100770",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 750",
            "city": "OCCIDENTAL",
            "state": "CA",
            "postal_code": "954650750",
            "telephone_number": "925-408-2258",
            "fax_number": "707-865-5122"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "43 QUAIL COURT",
            "address_2": "SUITE 110",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "94596",
            "telephone_number": "925-943-6175",
            "fax_number": "925-944-8889"
        }
    ],
    "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",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FRANKEL",
        "first_name": "A. STEVEN",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2017-01-11",
        "last_updated": "2020-03-12",
        "certification_date": "2020-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "CA",
            "license": "PSY3354",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 2020; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.