Louise Lefren Steiner, M.S.,MFT

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

021898 Issued in CA

Practice address

101 S Kraemer Blvd
Suite 123
Placentia, CA 92870-6105

Phone

(714) 871-1160

Fax

(714) 996-4489

NPI assigned

Sep 1, 2006

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Other names 1

• Lucy Steiner Other name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science

State licenses

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

{
    "created_epoch": "1157068800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1114029162",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 S KRAEMER BLVD",
            "address_2": "SUITE 123",
            "city": "PLACENTIA",
            "state": "CA",
            "postal_code": "928706105",
            "telephone_number": "714-871-1160",
            "fax_number": "714-996-4489"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 S KRAEMER BLVD",
            "address_2": "SUITE 123",
            "city": "PLACENTIA",
            "state": "CA",
            "postal_code": "928706105",
            "telephone_number": "714-871-1160",
            "fax_number": "714-996-4489"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEINER",
        "first_name": "LOUISE",
        "middle_name": "LEFREN",
        "name_prefix": "Ms.",
        "credential": "M.S.,MFT",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-09-01",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "021898",
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "021898",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAQH",
            "identifier": "11605045",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LUCY",
            "last_name": "STEINER",
            "credential": "M.S.,MFT",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

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• Addiction (Substance Use Disorder) Counselor in Placentia, CA
• Providers in Placentia, CA by specialty
• Addiction (Substance Use Disorder) Counselor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.