Individual provider Active NPI

William Spisak, PA-C

  • Physician Assistant
  • Mineola, NY
National Provider Identifier
1265352199
Registry record updated Jul 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
036094 Issued in NY
Practice address
259 1St St
Mineola, NY 11501-3957
Phone
(516) 663-0333
NPI assigned
Jul 20, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 036094 NY Primary

Addresses

Primary practice location

259 1St St
Mineola, NY 11501-3957

Mailing address

10 Shadow LN
East Williston, NY 11596-2511
Phone (516) 574-9640

Other names 1

  • Liam Spisak Other name

Medicare participation

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1784505600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784505600000",
    "number": "1265352199",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10 SHADOW LN",
            "city": "EAST WILLISTON",
            "state": "NY",
            "postal_code": "115962511",
            "telephone_number": "516-574-9640"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "259 1ST ST",
            "city": "MINEOLA",
            "state": "NY",
            "postal_code": "115013957",
            "telephone_number": "516-663-0333"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SPISAK",
        "first_name": "WILLIAM",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-20",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "036094",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "LIAM",
            "last_name": "SPISAK",
            "credential": "PA-C",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Mineola, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 20, 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.