Individual provider Active NPI

Lenis Colton Brown, LEP

  • Psychologist
  • San Mateo, CA
National Provider Identifier
1265390777
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
4226 Issued in CA
Practice address
650 N Delaware St
San Mateo, CA 94401-1732
Phone
(559) 305-2355
NPI assigned
Jan 13, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 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 4226 CA Primary

Addresses

Primary practice location

650 N Delaware St
San Mateo, CA 94401-1732

Mailing address

650 N Delaware St
San Mateo, CA 94401-1732
Phone (559) 305-2355

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

NPI Registry JSON

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

{
    "created_epoch": "1768262400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1265390777",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "650 N DELAWARE ST",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944011732",
            "telephone_number": "559-305-2355"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "650 N DELAWARE ST",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944011732",
            "telephone_number": "559-305-2355"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BROWN",
        "first_name": "LENIS",
        "middle_name": "COLTON",
        "name_prefix": "Dr.",
        "credential": "LEP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-01-13",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "CA",
            "license": "4226",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Mateo, CA

Sources for this page

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