Individual provider Active NPI

Leanne Marie Steinhaus, AMFT

  • Marriage & Family Therapist
  • San Dimas, CA
National Provider Identifier
1063366490
Registry record updated Feb 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
License
AMFT158212 Issued in CA
Practice address
423 Calle Canela # a
San Dimas, CA 91773-5100
Phone
(909) 782-0741
Fax
(909) 782-0741
NPI assigned
Feb 23, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Marriage & Family Therapist 106H00000X AMFT158212 CA Primary

Addresses

Primary practice location

423 Calle Canela # a
San Dimas, CA 91773-5100

Mailing address

423 Calle Canela # a
San Dimas, CA 91773-5100
Phone (909) 782-0741

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
AMFT158212CAMDMarriage & Family Therapist

NPI Registry JSON

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

{
    "created_epoch": "1771804800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1063366490",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "423 CALLE CANELA # A",
            "city": "SAN DIMAS",
            "state": "CA",
            "postal_code": "917735100",
            "telephone_number": "909-782-0741",
            "fax_number": "909-782-0741"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "423 CALLE CANELA # A",
            "city": "SAN DIMAS",
            "state": "CA",
            "postal_code": "917735100",
            "telephone_number": "909-782-0741",
            "fax_number": "909-782-0741"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEINHAUS",
        "first_name": "LEANNE",
        "middle_name": "MARIE",
        "name_prefix": "Ms.",
        "credential": "AMFT",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-02-23",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "CA",
            "license": "AMFT158212",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Dimas, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 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.