Mark W Culleton, L.S.W.

Primary specialty

Social WorkerTaxonomy code 104100000X

License

SW008334L Issued in PA

Practice address

87 E Maiden St
Suite 31
Washington, PA 15301-4964

Phone

(724) 225-3444

Fax

(724) 222-2189

NPI assigned

Jun 12, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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

{
    "created_epoch": "1150070400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1518909423",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "87 E MAIDEN ST",
            "address_2": "SUITE 31",
            "city": "WASHINGTON",
            "state": "PA",
            "postal_code": "153014964",
            "telephone_number": "724-225-3444",
            "fax_number": "724-222-2189"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "87 E MAIDEN ST",
            "address_2": "SUITE 31",
            "city": "WASHINGTON",
            "state": "PA",
            "postal_code": "153014964",
            "telephone_number": "724-225-3444",
            "fax_number": "724-222-2189"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CULLETON",
        "first_name": "MARK",
        "middle_name": "W",
        "credential": "L.S.W.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "PA",
            "license": "SW008334L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Social Worker in Washington, PA
• Providers in Washington, PA by specialty
• Social Worker in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.