Individual provider Active NPI

Brent Richard Ferm, PHD

  • Psychologist
  • Martinez, CA
National Provider Identifier
1013957810
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
PSY13371 Issued in CA
Practice address
150 Muir Rd
Mental Health
Martinez, CA 94553-4668
Phone
(925) 372-2105
Fax
(415) 383-3868
NPI assigned
Jun 8, 2006
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychologist 103T00000X PSY13371 CA Primary

Addresses

Primary practice location

150 Muir Rd
Mental Health
Martinez, CA 94553-4668

Mailing address

641 E Blithedale Ave
Mill Valley, CA 94941-1477
Phone (415) 383-0407

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)
Not enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
PSY13371CAMDPsychologist

NPI Registry JSON

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

{
    "created_epoch": "1149724800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1013957810",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "641 E BLITHEDALE AVE",
            "city": "MILL VALLEY",
            "state": "CA",
            "postal_code": "949411477",
            "telephone_number": "415-383-0407",
            "fax_number": "415-383-3868"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "150 MUIR RD",
            "address_2": "MENTAL HEALTH",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945534668",
            "telephone_number": "925-372-2105",
            "fax_number": "415-383-3868"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FERM",
        "first_name": "BRENT",
        "middle_name": "RICHARD",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-08",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "CA",
            "license": "PSY13371",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Martinez, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.