Individual provider Active NPI

Katie Marie Mayo, M.A., CCC-SLP

  • Speech-Language Pathologist
  • Torrance, CA
National Provider Identifier
1689954638
Registry record updated Jul 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
SP18590 Issued in CA
Practice address
2335 Plaza del Amo
Torrance, CA 90501-3420
Phone
(310) 972-6500
NPI assigned
Aug 23, 2011
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Speech-Language Pathologist 235Z00000X SP18590 CA Primary

Addresses

Primary practice location

2335 Plaza del Amo
Torrance, CA 90501-3420

Mailing address

122 Via Buena Ventura
Redondo Beach, CA 90277-5805
Phone (310) 617-0614

Other practice location 1

122 Via Buena Ventura
Redondo Beach, CA 90277-5805
Phone (310) 617-0614

Other names 1

  • Katie Marie Wolfinger Former name

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
Master of Arts

State licenses

LicenseStateTypeSpecialty
SP18590CAMDSpeech-Language Pathologist

Practice roles

OrganizationSpecialtyStatusNew patients
Torrance Unified School District Past Accepting new patients

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": "1314057600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785110400000",
    "number": "1689954638",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "122 VIA BUENA VENTURA",
            "city": "REDONDO BEACH",
            "state": "CA",
            "postal_code": "902775805",
            "telephone_number": "310-617-0614"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2335 PLAZA DEL AMO",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905013420",
            "telephone_number": "310-972-6500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "122 Via Buena Ventura",
            "address_purpose": "LOCATION",
            "city": "Redondo Beach",
            "state": "CA",
            "postal_code": "902775805",
            "country_code": "US",
            "telephone_number": "310-617-0614",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAYO",
        "first_name": "KATIE",
        "middle_name": "MARIE",
        "credential": "M.A., CCC-SLP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2011-08-23",
        "last_updated": "2026-07-27",
        "certification_date": "2026-07-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "CA",
            "license": "SP18590",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATIE",
            "last_name": "WOLFINGER",
            "middle_name": "MARIE",
            "credential": "M.A., CCC-SLP",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Torrance, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 27, 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.