Individual provider Active NPI

Jonathan Mitchelmore, LCSW

  • Clinical Social Worker
  • San Mateo, CA
National Provider Identifier
1023398963
Registry record updated Sep 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
LCSW79318 Issued in CA
Practice address
100 S Ellsworth Ave Ste 802
San Mateo, CA 94401-3926
Phone
(650) 539-8042
NPI assigned
Aug 23, 2011
Last updated
Sep 3, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 3, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X LCSW79318 CA Primary

Addresses

Primary practice location

100 S Ellsworth Ave Ste 802
San Mateo, CA 94401-3926

Mailing address

1235 Mission St FL 2
San Francisco, CA 94103-2705

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

State licenses

LicenseStateTypeSpecialty
LCSW79318CAMDClinical Social Worker

NPI Registry JSON

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

{
    "created_epoch": "1314057600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756857600000",
    "number": "1023398963",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1235 MISSION ST FL 2",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941032705"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 S ELLSWORTH AVE STE 802",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944013926",
            "telephone_number": "650-539-8042"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MITCHELMORE",
        "first_name": "JONATHAN",
        "name_prefix": "Mr.",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-08-23",
        "last_updated": "2025-09-03",
        "certification_date": "2025-09-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "LCSW79318",
            "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 Sep 3, 2025; 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.