Individual provider Active NPI

Crystal N Theisen

  • Social Worker
  • Morrisonville, NY
National Provider Identifier
1346159118
Registry record updated Sep 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Social WorkerTaxonomy code 104100000X
Practice address
2155 State Route 22B
Morrisonville, NY 12962-3417
Phone
(518) 563-8000
NPI assigned
Sep 5, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Social Worker 104100000X NY Primary

Addresses

Primary practice location

2155 State Route 22B
Morrisonville, NY 12962-3417

Mailing address

26 Fay LN
Plattsburgh, NY 12901-7341

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1788566400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788566400000",
    "number": "1346159118",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26 FAY LN",
            "city": "PLATTSBURGH",
            "state": "NY",
            "postal_code": "129017341"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2155 STATE ROUTE 22B",
            "city": "MORRISONVILLE",
            "state": "NY",
            "postal_code": "129623417",
            "telephone_number": "518-563-8000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THEISEN",
        "first_name": "CRYSTAL",
        "middle_name": "N",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-09-05",
        "last_updated": "2026-09-05",
        "certification_date": "2026-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "NY",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Morrisonville, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.