Authenticity Psychotherapy LCSW PLLC

Primary specialty

Adult Mental Health Clinic/CenterTaxonomy code 261QM0850X

Legal business name

AUTHENTICITY PSYCHOTHERAPY LCSW PLLC

Practice address

220 5TH Ave FL 11
New York, NY 10001-8017

Phone

(646) 801-6934

NPI assigned

Jun 29, 2026

Organization subpart

No

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

Authorized official

Name

Mrs. Ariane Ernst, LCSW

Title

Owner/Psychotherapist

Phone

(646) 801-6934

Specialties & licenses 1

Addresses

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

{
    "created_epoch": "1782691200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782691200000",
    "number": "1063338499",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1775 YORK AVE APT 34E",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "101286922",
            "telephone_number": "646-801-6934"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "220 5TH AVE FL 11",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100018017",
            "telephone_number": "646-801-6934"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "AUTHENTICITY PSYCHOTHERAPY LCSW PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-06-29",
        "last_updated": "2026-06-29",
        "certification_date": "2026-06-29",
        "status": "A",
        "authorized_official_last_name": "ERNST",
        "authorized_official_first_name": "ARIANE",
        "authorized_official_title_or_position": "OWNER/PSYCHOTHERAPIST",
        "authorized_official_telephone_number": "646-801-6934",
        "authorized_official_name_prefix": "Mrs.",
        "authorized_official_credential": "LCSW"
    },
    "taxonomies": [
        {
            "code": "261QM0850X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Adult Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Adult Mental Health Clinic/Center in New York, NY
• Providers in New York, NY by specialty
• Adult Mental Health Clinic/Center in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 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.