Individual provider Active NPI

Marissa Elaine Martinez

  • Speech-Language Assistant
  • Whittier, CA
National Provider Identifier
1558205526
Registry record updated Apr 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language AssistantTaxonomy code 2355S0801X
License
10191 Issued in CA
Practice address
12411 Slauson Ave
Whittier, CA 90606-2835
Phone
(562) 693-5449
NPI assigned
Apr 17, 2026
Last updated
Apr 17, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 17, 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 Assistant 2355S0801X 10191 CA Primary

Addresses

Primary practice location

12411 Slauson Ave
Whittier, CA 90606-2835

Mailing address

9455 Homage Ave
Whittier, CA 90603-1932
Phone (562) 693-5449

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
10191CAMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
DG Therapy 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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1776384000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776384000000",
    "number": "1558205526",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9455 HOMAGE AVE",
            "city": "WHITTIER",
            "state": "CA",
            "postal_code": "906031932",
            "telephone_number": "562-693-5449"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12411 SLAUSON AVE",
            "city": "WHITTIER",
            "state": "CA",
            "postal_code": "906062835",
            "telephone_number": "562-693-5449"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTINEZ",
        "first_name": "MARISSA",
        "middle_name": "ELAINE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-04-17",
        "last_updated": "2026-04-17",
        "certification_date": "2026-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2355S0801X",
            "taxonomy_group": "",
            "desc": "Specialist/Technologist, Speech-Language Assistant",
            "state": "CA",
            "license": "10191",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Whittier, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.