Steven W. Flannes, PH.D. CLINICAL PSYCH

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSY7139 Issued in CA

Practice address

1980 Mountain Blvd, Suite 201
Oakland, CA 94611

Phone

(510) 421-3981

Fax

(510) 654-9319

NPI assigned

Sep 28, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 1977

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

Practice roles

Locations

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.

• Ann Gildersleeve, Psychology, a Professional Corporation

  • Clinical Psychologist
  • Oakland, CA
  • NPI 1265709828
  NPD

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

{
    "created_epoch": "1159401600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740528000000",
    "number": "1881785145",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6114 LA SALLE AVE #473",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "94611",
            "telephone_number": "510-421-3981",
            "fax_number": "510-654-9319"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1980 MOUNTAIN BLVD, SUITE 201",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "94611",
            "telephone_number": "510-421-3981",
            "fax_number": "510-654-9319"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLANNES",
        "first_name": "STEVEN",
        "middle_name": "W.",
        "name_prefix": "Dr.",
        "credential": "PH.D. CLINICAL PSYCH",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-09-28",
        "last_updated": "2025-02-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "CA",
            "license": "PSY7139",
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY7139",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kirsten Flagg
• Claire Marie Flaggs
• David Francis Flanagan, M.D.
• Eileen M. Flanagan, MFT
• John Flaningam, MD
• Alberta Rose Flashman, M.D.
• Davida Nicole Flattery, D.O.
• Mary Fleisch, LCSW
• Karen Jean Fleischer, LVN
• Evelyn Natalya Fleischman

• Clinical Psychologist in Oakland, CA
• Providers in Oakland, CA by specialty
• Clinical Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.