Marissa Lehto Marriage and Family Therapy Inc

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

Last updated

Jun 25, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Marissa Lehto, LMFTNPI 1639779861

Title

Owner

Phone

(909) 329-4432

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Marissa Lehto, LMFT

  • Marriage & Family Therapist
  • Fontana, CA
  • NPI 1639779861
  Authorized official Same address or phone

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": []
}

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• Mental Health Counselor in Fontana, CA
• Providers in Fontana, CA by specialty
• Mental Health Counselor in California

• 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.