NASSAU HEALTH CARE CORPORATION
NPI 1497716534
Skilled Nursing Facility in Uniondale, NY

Active since March 29, 2006
875 JERUSALEM AVE, UNIONDALE, NY 11553(516) 572-1400 Get Directions Write a Review

NPPES record last updated: July 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 17, 2026, May 7, 2025, Aug 18, 2020 and 1 more (4 updates tracked since 2020).

About Nassau Health Care Corporation NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NASSAU HEALTH CARE CORPORATION (NPI 1497716534) is a healthcare organization registered as a skilled nursing facility in Uniondale, New York and active in the NPI registry since March 2006. The organization lists John O'neill, Cfo, as its authorized official.

NPPES Registry Identity

NPI1497716534
Entity TypeOrganization
Primary Taxonomy314000000X
Legal Business NameNASSAU HEALTH CARE CORPORATION
Location Address875 JERUSALEM AVEUniondale, NY 11553-3038
Mailing Address875 Jerusalem Ave, Patient Accounts - Finance DepartmentUniondale, NY 11553-3038 · (516) 572-1698
Organization SubpartNo
Authorized OfficialJohn O'neillCfo · (516) 572-6711
Enumeration DateMarch 29, 2006
Last NPPES UpdateJuly 17, 20264 updates tracked since enumeration
NPPES CertifiedJuly 17, 2026
✔ NPI 1497716534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySkilled Nursing FacilityNursing & Custodial Care Facilities
Taxonomy Code314000000X
License✔ Licensed in NY · 2950302N
Definition
(1) A skilled nursing facility is a facility or distinct part of an institution whose primary function is to provide medical, continuous nursing, and other health and social services to patients who are not in an acute phase of illness requiring services in a hospital, but who require primary restorative or skilled nursing services on an inpatient basis above the level of intermediate or custodial care in order to reach a degree of body functioning to permit self care in essential daily living. It meets any licensing or certification standards et forth by the jurisdiction where it is located. A skilled nursing facility may be a freestanding facility or part of a hospital that has been certified by Medicare to admit patients requiring subacute care and rehabilitation; (2) Provides non-acute medical and skilled nursing care services, therapy and social services under the supervision of a licensed registered nurse on a 24-hour basis.
875 JERUSALEM AVE, Uniondale, NY 11553

Other Names 1

Other NameA. Holly Patterson Extended Care Facility

Other Identifiers 1

Medicaid0378703NY

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

553

Medicare enrollment records show 553 clinicians reassign Medicare billing to Nassau Health Care Corporation, which bills Medicare for the services they deliver. Of these, 295 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 54

Internal Medicine61
Psychiatry44
Pediatric Medicine42
Emergency Medicine41
Obstetrics/Gynecology29
Orthopedic Surgery28
Plastic and Reconstructive Surgery27
Diagnostic Radiology24
46 other specialties257

Nearest to this location (20)

See all 553
Occupational Therapist in Private Practice
NPI 1407382732
1385 PROSPECT AVE
East Meadow, NY 11554
(516) 242-2173
✔ Accepts Medicare0.9 mi
Internal Medicine
NPI 1699914234
380 MERRICK AVE
East Meadow, NY 11554
(516) 570-3043
✔ PECOS✔ Accepts Medicare1.0 mi
Neurology
NPI 1417127333
380 MERRICK AVE
East Meadow, NY 11554
(516) 279-6210
✔ PECOS1.0 mi
Obstetrics/Gynecology
NPI 1154607323
380 NASSAU RD
Roosevelt, NY 11575
(516) 571-8600
✔ PECOS✔ Accepts Medicare1.4 mi
Psychiatry
NPI 1013414374
NASSAU UNIVERSITY MEDICAL CENTER 2201 HEMPSTEAD TURNPIKE
East Meadow, NY 11554
(516) 296-2671
✔ PECOS✔ Accepts Medicare1.4 mi
Pediatric Medicine
NPI 1255365557
NASSAU UNIVERSITY MEDICAL CENTER 2201 HEMPSTEAD TURNPIKE
East Meadow, NY 11554
(516) 586-4776
✔ PECOS1.4 mi
Internal Medicine
NPI 1063532034
500 FRONT ST
Hempstead, NY 11550
(516) 636-1203
✔ PECOS✔ Accepts Medicare1.7 mi
Oral Surgery
NPI 1962720680
NASSAU UNIVERSITY MEDICAL CENTER, DEPT OF ORAL SURGERY 2201 HEMPSTEAD TPKE
East Meadow, NY 11554
(516) 572-6895
✔ PECOS✔ Accepts Medicare1.9 mi
Qualified Speech Language Pathologist
NPI 1003030446
2442 KAYRON LN
North Bellmore, NY 11710
(917) 292-8228
2.2 mi
General Practice
NPI 1003986456
2201 HEMPSTEAD TPKE
East Meadow, NY 11554
(516) 572-6705
✔ PECOS2.3 mi
Endocrinology
NPI 1023456225
2201 HEMPSTEAD TPKE
East Meadow, NY 11554
(516) 572-6501
✔ PECOS✔ Accepts Medicare2.3 mi
Qualified Audiologist
NPI 1023212750
2201 HEMPSTEAD TPKE
East Meadow, NY 11554
(516) 572-6131
✔ Accepts Medicare2.3 mi
Nephrology
NPI 1043279045
2201 HEMPSTEAD TPKE
East Meadow, NY 11554
(516) 572-6501
✔ PECOS✔ Accepts Medicare2.3 mi
Diagnostic Radiology
NPI 1013942242
2201 HEMPSTEAD TURNPIKE NASSAU UNIVERSITY MEDICAL CENTER
East Meadow, NY 11554
(516) 572-0123
✔ PECOS✔ Accepts Medicare2.3 mi
Clinical Psychologist
NPI 1932284866
2201 HEMPSTEAD TURNPIKE NASSAU UNIVERSITY MEDICAL CENTER
East Meadow, NY 11554
(516) 572-6511
✔ PECOS✔ Accepts Medicare2.3 mi
Nurse Practitioner
NPI 1326351560
2201 HEMPSTEAD TPKE # 42
East Meadow, NY 11554
(516) 296-3345
✔ PECOS✔ Accepts Medicare2.3 mi
Dentist
NPI 1790104123
2201 HEMPSTEAD TPKE
East Meadow, NY 11554
(516) 572-6139
✔ PECOS2.3 mi
Infectious Disease
NPI 1952360935
2201 HEMPSTEAD TPKE
East Meadow, NY 11554
(516) 572-6501
✔ PECOS✔ Accepts Medicare2.3 mi
Pulmonary Disease
NPI 1093982357
2201 HEMPSTEAD TPKE
East Meadow, NY 11554
(516) 572-4769
✔ PECOS✔ Accepts Medicare2.3 mi
Ophthalmology
NPI 1932465911
2201 HEMPSTEAD TPKE
East Meadow, NY 11554
(516) 572-6706
✔ PECOS✔ Accepts Medicare2.3 mi
See all 553 clinicians

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 1497716534. It was assigned to this organization in the NPPES registry on March 29, 2006. The provider is also known as A. Holly Patterson Extended Care Facility.

Where is Nassau Health Care Corporation located?

Nassau Health Care Corporation is located at 875 Jerusalem Ave, Uniondale, NY 11553. The listed phone number is (516) 572-1400.

What is Nassau Health Care Corporation's specialty?

The primary specialty registered for this NPI is Skilled Nursing Facility with taxonomy code 314000000X.

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, 295 practice 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.