Gerhard Peter Hopfensitz, LMSW

Primary specialty

Social WorkerTaxonomy code 104100000X

License

115145-01 Issued in NY

Practice address

87 Bay Ave
Southampton, NY 11968-1924

Phone

(631) 353-2279

Fax

(631) 494-2272

NPI assigned

Aug 31, 2026

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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

{
    "created_epoch": "1788134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788134400000",
    "number": "1104734045",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "87 BAY AVE",
            "city": "SOUTHAMPTON",
            "state": "NY",
            "postal_code": "119681924",
            "telephone_number": "631-353-2279",
            "fax_number": "631-494-2272"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "87 BAY AVE",
            "city": "SOUTHAMPTON",
            "state": "NY",
            "postal_code": "119681924",
            "telephone_number": "631-353-2279",
            "fax_number": "631-494-2272"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOPFENSITZ",
        "first_name": "GERHARD PETER",
        "name_prefix": "Mr.",
        "credential": "LMSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-08-31",
        "last_updated": "2026-08-31",
        "certification_date": "2026-08-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "NY",
            "license": "115145-01",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Social Worker in Southampton, NY
• Providers in Southampton, NY by specialty
• Social Worker in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.