Individual provider Active NPI

Janna To, LCSW

  • Clinical Social Worker
  • Garden Grove, CA
National Provider Identifier
1699174433
Registry record updated May 19, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
87468 Issued in CA
Practice address
10331 Stanford Ave
Garden Grove, CA 92840-6351
Phone
(714) 663-6233
NPI assigned
Aug 18, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 19, 2026

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 87468 CA Primary

Addresses

Primary practice location

10331 Stanford Ave
Garden Grove, CA 92840-6351

Mailing address

10331 Stanford Ave
Garden Grove, CA 92840-6351
Phone (714) 663-6233

Other practice location 1

PO Box 4916
Mission Viejo, CA 92690-4916
Phone (949) 329-8817

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

State licenses

LicenseStateTypeSpecialty
87468CAMDPharmacist

Practice roles

OrganizationSpecialtyStatusNew patients
Laguna Niguel Speech and Language Center CurrentSince Jul 24, 2022 Accepting new patients

Locations

30131 Town Center Dr
Ste 235
Laguna Niguel, CA 92677
Phone (949) 433-9546

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1408320000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779148800000",
    "number": "1699174433",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10331 STANFORD AVE",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928406351",
            "telephone_number": "714-663-6233"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10331 STANFORD AVE",
            "city": "GARDEN GROVE",
            "state": "CA",
            "postal_code": "928406351",
            "telephone_number": "714-663-6233"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "PO Box 4916",
            "address_purpose": "LOCATION",
            "city": "Mission Viejo",
            "state": "CA",
            "postal_code": "926904916",
            "country_code": "US",
            "telephone_number": "949-329-8817",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TO",
        "first_name": "JANNA",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-08-18",
        "last_updated": "2026-05-19",
        "certification_date": "2026-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "87468",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Garden Grove, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 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.