Organization Active NPI

Marissa Lehto Marriage and Family Therapy Inc

  • Mental Health Counselor
  • Fontana, CA
National Provider Identifier
1346166188
Registry record updated Jun 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
Legal business name
MARISSA LEHTO MARRIAGE AND FAMILY THERAPY INC
Practice address
6135 La Costa
Fontana, CA 92336
Phone
(909) 329-4432
NPI assigned
Jun 25, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 25, 2026

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

Authorized official

Name
Marissa Lehto, LMFT
Title
Owner
Phone
(909) 329-4432

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health CounselorGroup: 193200000X MULTI-SPECIALTY GROUP 101YM0800X Primary

Addresses

Primary practice location

6135 La Costa
Fontana, CA 92336

Mailing address

6135 La Costa
Fontana, CA 92336
Phone (909) 329-4432

National Provider Directory

National Provider Directory

NPI Registry JSON

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

{
    "created_epoch": "1782345600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782345600000",
    "number": "1346166188",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6135 LA COSTA",
            "city": "FONTANA",
            "state": "CA",
            "postal_code": "92336",
            "telephone_number": "909-329-4432"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6135 LA COSTA",
            "city": "FONTANA",
            "state": "CA",
            "postal_code": "92336",
            "telephone_number": "909-329-4432"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARISSA LEHTO MARRIAGE AND FAMILY THERAPY INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-06-25",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A",
        "authorized_official_last_name": "LEHTO",
        "authorized_official_first_name": "MARISSA",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "909-329-4432",
        "authorized_official_credential": "LMFT"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fontana, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 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.