Individual provider Active NPI

Allison Stezin, LSW

  • Clinical Social Worker
  • Lancaster, PA
National Provider Identifier
1225946452
Registry record updated Aug 29, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
SW137630 Issued in PA
Practice address
313 W Liberty St Ste 33
Lancaster, PA 17603-2783
Phone
(717) 615-9962
NPI assigned
Aug 29, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 29, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X SW137630 PA Primary

Addresses

Primary practice location

313 W Liberty St Ste 33
Lancaster, PA 17603-2783

Mailing address

206 Princess Ave
Lancaster, PA 17601-4352
Phone (610) 442-2090

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": "1787961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787961600000",
    "number": "1225946452",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "206 PRINCESS AVE",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176014352",
            "telephone_number": "610-442-2090"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "313 W LIBERTY ST STE 33",
            "city": "LANCASTER",
            "state": "PA",
            "postal_code": "176032783",
            "telephone_number": "717-615-9962"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STEZIN",
        "first_name": "ALLISON",
        "credential": "LSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-08-29",
        "last_updated": "2026-08-29",
        "certification_date": "2026-08-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "PA",
            "license": "SW137630",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lancaster, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.