NPIMap

Organization Active NPI

Nassau Health Care Corporation

  • General Acute Care Hospital
  • East Meadow, NY
National Provider Identifier
1790701787
Registry record updated Jul 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
General Acute Care HospitalTaxonomy code 282N00000X
License
2950002H Issued in NY
Legal business name
NASSAU HEALTH CARE CORPORATION
Practice address
2201 Hempstead Tpke
East Meadow, NY 11554-1859
Phone
(516) 572-6711
NPI assigned
Jul 14, 2006
Last updated
Jul 17, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
NASSAU HEALTHCARE CORPORATIONAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jul 17, 2026

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

Authorized official

Name
John O'Neill
Title
Cfo
Phone
(516) 572-6711

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
General Acute Care Hospital 282N00000X 2950002H NY Primary

Addresses

Primary practice location

2201 Hempstead Tpke
East Meadow, NY 11554-1859

Mailing address

2201 Hempstead Tpke
Finance Department - 19TH Floor
East Meadow, NY 11554-1859

Other names 1

  • NUMC Department of Cardiology, FPP Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040619000043 NY Part B Supplier - Clinic/Group Practice 2961315221 Receives reassigned benefits from 566 practitioners
27 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: East Meadow, NY; Uniondale, NY

Other NPIs on the same Medicare enrollment 26

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 26

National Provider Directory

National Provider Directory
Tax ID family
Nassau County Med Ctr C33 organizations share this tax ID, including this one
Part of
Nassau County Med Ctr C

Other organizations with this tax ID 32

Organizations that report the same tax identification number in the National Provider Directory.

View all 32

Practitioners & affiliated clinicians

Practitioners 36

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 36

NPI Registry JSON

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

{
    "created_epoch": "1152835200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1784246400000",
    "number": "1790701787",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2201 HEMPSTEAD TPKE",
            "address_2": "FINANCE DEPARTMENT - 19TH FLOOR",
            "city": "EAST MEADOW",
            "state": "NY",
            "postal_code": "115541859",
            "fax_number": "516-572-5791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2201 HEMPSTEAD TPKE",
            "city": "EAST MEADOW",
            "state": "NY",
            "postal_code": "115541859",
            "telephone_number": "516-572-6711"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "NASSAU HEALTH CARE CORPORATION",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "NASSAU HEALTHCARE CORPORATION",
        "enumeration_date": "2006-07-14",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A",
        "authorized_official_last_name": "O'NEILL",
        "authorized_official_first_name": "JOHN",
        "authorized_official_title_or_position": "CFO",
        "authorized_official_telephone_number": "516-572-6711"
    },
    "taxonomies": [
        {
            "code": "282N00000X",
            "taxonomy_group": "",
            "desc": "General Acute Care Hospital",
            "state": "NY",
            "license": "2950002H",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "NUMC Department of Cardiology, FPP",
            "code": "5",
            "type": "Other Name"
        },
        {
            "organization_name": "NUMC Department of Cardiology, FPP",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in East Meadow, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.