Zachary Kowalczyk

Primary specialty

School Clinical Nurse SpecialistTaxonomy code 364SS0200X

License

647983 Issued in NY

Practice address

49 Broad St
Plattsburgh, NY 12901-3396

Phone

(518) 957-6000

NPI assigned

Nov 3, 2025

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 and National Provider Directory roles.

• Plattsburgh City School District

  • Local Education Agency (LEA)
  • Plattsburgh, NY
  • NPI 1659420321
  NPD (past)

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

{
    "created_epoch": "1762128000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762128000000",
    "number": "1184593741",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 OLIVETTI PL",
            "city": "PLATTSBURGH",
            "state": "NY",
            "postal_code": "129012615"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "49 BROAD ST",
            "city": "PLATTSBURGH",
            "state": "NY",
            "postal_code": "129013396",
            "telephone_number": "518-957-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOWALCZYK",
        "first_name": "ZACHARY",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-11-03",
        "last_updated": "2025-11-03",
        "certification_date": "2025-11-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "364SS0200X",
            "taxonomy_group": "",
            "desc": "Clinical Nurse Specialist, School",
            "state": "NY",
            "license": "647983",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Annawati Koesdjojo-Liem, RN
• Bruce Glenn Kokernot, M.D.
• Joshua Michael Korb, APRN
• Michael Kosters, M.D.
• Nathaniel Alfredo Kouns, M.D.
• KPH Healthcare Services, Inc.
• KPH Healthcare Services, Inc.
• KPH Healthcare Services, Inc.
• KPH Healthcare Services, Inc.
• Stephen Krieg, O.D.

• All providers in Plattsburgh, NY
• School Clinical Nurse Specialist in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 3, 2025; 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.