NASSAU HEALTH CARE CORPORATION
NPI 1982620977
General Acute Care Hospital in East Meadow, NY
About Nassau Health Care Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NASSAU HEALTH CARE CORPORATION (NPI 1982620977) is a healthcare organization registered as a general acute care hospital in East Meadow, New York and active in the NPI registry since July 2006. The organization lists John O'neill, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Nassau Health Care Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
553Medicare enrollment records show 553 clinicians reassign Medicare billing to Nassau Health Care Corporation, which bills Medicare for the services they deliver. Of these, 143 practice at this address and 294 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 54
Nearest to this location (20)
See all 553East Meadow, NY 11554
East Meadow, NY 11554
East Meadow, NY 11554
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Nassau Health Care Corporation's NPI number?
The NPI number for Nassau Health Care Corporation is 1982620977. It was assigned to this organization in the NPPES registry on July 14, 2006. The provider is also known as NUMC Department of Emergency Medicine, FPP.
Where is Nassau Health Care Corporation located?
Nassau Health Care Corporation is located at 2201 Hempstead Tpke, East Meadow, NY 11554. The listed phone number is (516) 572-6711.
What is Nassau Health Care Corporation's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Nassau Health Care Corporation enrolled in Medicare?
Yes. Nassau Health Care Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Nassau Health Care Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 553 clinicians in 54 Medicare specialties reassign their Medicare billing to Nassau Health Care Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (61), Psychiatry (44) and Pediatric Medicine (42). Of these, 143 practice at this address and 294 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Nassau Health Care Corporation was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Nassau Health Care Corporation · NPI 1982620977
General Acute Care Hospital organization in East Meadow, New York. Organization record, active in the CMS NPPES registry since July 14, 2006.
## Identity
- **NPI:** 1982620977 (Entity type: Organization)
- **Enumerated:** July 14, 2006
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **Also known as:** NUMC Department of Emergency Medicine, FPP (Other Name)
- **Organization subpart:** Yes (part of Nassau Healthcare Corporation)
- **Authorized official:** John O'neill, CFO
## Practice location
- **Address:** 2201 HEMPSTEAD TPKE, East Meadow, NY 11554-1859
- **Phone:** (516) 572-6711
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 553 clinicians in 54 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (61), Psychiatry (44), Pediatric Medicine (42); 143 practice at this address and 294 within 10 miles; [full list](https://npiprofile.com/npi/1982620977/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 17, 2026
- **Other identifiers:** Medicaid 02054704 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1982620977) · Data from the CMS NPPES public registry.