WESTERN NASSAU DIAGNOSTIC IMAGING SERVICES P.C.
NPI 1033145289
Clinic/Center - Radiology in Freeport, NY

Active since June 22, 2006
115 W SUNRISE HWY, FREEPORT, NY 11520(516) 546-2000 Get Directions Write a Review

NPPES record last updated: July 1, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 1, 2021, Aug 22, 2020 (2 updates tracked since 2020).

About Western Nassau Diagnostic Imaging Services P.c. NPPES

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

WESTERN NASSAU DIAGNOSTIC IMAGING SERVICES P.C. (NPI 1033145289) is a healthcare organization registered as a radiology in Freeport, New York and active in the NPI registry since June 2006. The organization lists Allen Rothpearl, President, as its authorized official.

NPPES Registry Identity

NPI1033145289
Entity TypeOrganization
Primary Taxonomy261QR0200X
Legal Business NameWESTERN NASSAU DIAGNOSTIC IMAGING SERVICES P.C.
Location Address115 W SUNRISE HWYFreeport, NY 11520-3612
Mailing Address115 W Sunrise HwyFreeport, NY 11520-3612 · (516) 546-2000
Organization SubpartNo
Authorized OfficialAllen RothpearlPresident · (516) 546-9200
Enumeration DateJune 22, 2006
Last NPPES UpdateJuly 1, 20212 updates tracked since enumeration
NPPES CertifiedJuly 1, 2021
✔ NPI 1033145289 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · RadiologyAmbulatory Health Care Facilities
Taxonomy Code261QR0200X
115 W SUNRISE HWY, Freeport, NY 11520

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Western Nassau Diagnostic Imaging Services P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

24

Medicare enrollment records show 24 clinicians reassign Medicare billing to Western Nassau Diagnostic Imaging Services P.C., which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 3

Diagnostic Radiology12
Cardiovascular Disease (Cardiology)11
Pediatric Medicine1

Nearest to this location (20)

See all 24
Cardiovascular Disease (Cardiology)
NPI 1477550135
300 FRANKLIN AVE
Valley Stream, NY 11580
(516) 599-8280
✔ PECOS✔ Accepts Medicare5.8 mi
Diagnostic Radiology
NPI 1427027358
1510 JERICHO TPKE
New Hyde Park, NY 11040
(516) 620-9510
✔ PECOS✔ Accepts Medicare7.5 mi
Diagnostic Radiology
NPI 1619977030
1510 JERICHO TPKE
New Hyde Park, NY 11040
(516) 216-5341
✔ PECOS✔ Accepts Medicare7.5 mi
Cardiovascular Disease (Cardiology)
NPI 1528054137
11115 QUEENS BLVD 2ND FLOOR
Forest Hills, NY 11375
(718) 268-3333
✔ PECOS✔ Accepts Medicare14 mi
Cardiovascular Disease (Cardiology)
NPI 1013179050
10250 62ND RD APT 3G
Forest Hills, NY 11375
(917) 685-0804
✔ PECOS✔ Accepts Medicare16 mi
Cardiovascular Disease (Cardiology)
NPI 1528151925
175 MEMORIAL HWY SUITE 2-5
New Rochelle, NY 10801
(914) 235-8911
✔ PECOS✔ Accepts Medicare21 mi
Pediatric Medicine
NPI 1780817460
3415 BAINBRIDGE AVE
Bronx, NY 10467
(718) 741-2487
✔ PECOS22 mi
Cardiovascular Disease (Cardiology)
NPI 1861770604
125 MAIDEN LN RM 6B
New York, NY 10038
(212) 480-9500
✔ PECOS✔ Accepts Medicare23 mi
Diagnostic Radiology
NPI 1437136579
4334 BROADWAY
New York, NY 10033
(212) 927-1717
✔ PECOS✔ Accepts Medicare23 mi
Cardiovascular Disease (Cardiology)
NPI 1427064195
3736 HENRY HUDSON PKWY
Bronx, NY 10463
(718) 796-0100
✔ PECOS✔ Accepts Medicare24 mi
Cardiovascular Disease (Cardiology)
NPI 1801152699
465 CRANBURY RD STE 201
East Brunswick, NJ 08816
(732) 613-1988
✔ PECOS✔ Accepts Medicare46 mi
Diagnostic Radiology
NPI 1134132830
1333 ROANOKE AVE
Riverhead, NY 11901
(631) 727-2755
✔ PECOS✔ Accepts Medicare51 mi
Cardiovascular Disease (Cardiology)
NPI 1457305955
1203 LANGHORNE NEWTOWN RD SUITE 320
Langhorne, PA 19047
(215) 750-7818
✔ PECOS✔ Accepts Medicare78 mi
Diagnostic Radiology
NPI 1689629396
1250 S CEDAR CREST BLVD
Allentown, PA 18103
(610) 402-8900
✔ PECOS✔ Accepts Medicare103 mi
Diagnostic Radiology
NPI 1518906726
994 W SHERMAN AVE BLDG 2
Vineland, NJ 08360
(631) 534-7246
✔ PECOS✔ Accepts Medicare114 mi
Cardiovascular Disease (Cardiology)
NPI 1215915012
3903 BRIAR KNOLL CIR
Phoenix, MD 21131
(919) 630-1616
✔ PECOS✔ Accepts Medicare177 mi
Cardiovascular Disease (Cardiology)
NPI 1144258336
331 VERANDA ST
Portland, ME 04103
(207) 828-2402
✔ PECOS✔ Accepts Medicare270 mi
Diagnostic Radiology
NPI 1427098797
1301 CARLISLE ST DEPT OF RADIOLOGY
Natrona Heights, PA 15065
(721) 334-4774
✔ PECOS✔ Accepts Medicare324 mi
Diagnostic Radiology
NPI 1306805080
621 10TH ST
Niagara Falls, NY 14301
(716) 278-4000
✔ PECOS✔ Accepts Medicare328 mi
Cardiovascular Disease (Cardiology)
NPI 1750355103
2401 S FM 51 SUITE 200
Decatur, TX 76234
(940) 627-0044
✔ PECOS✔ Accepts Medicare1,420 mi
See all 24 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 Western Nassau Diagnostic Imaging Services P.C.'s NPI number?

The NPI number for Western Nassau Diagnostic Imaging Services P.C. is 1033145289. It was assigned to this organization in the NPPES registry on June 22, 2006.

Where is Western Nassau Diagnostic Imaging Services P.C. located?

Western Nassau Diagnostic Imaging Services P.C. is located at 115 W Sunrise Hwy, Freeport, NY 11520. The listed phone number is (516) 546-2000.

What is Western Nassau Diagnostic Imaging Services P.C.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Radiology, with taxonomy code 261QR0200X.

Is Western Nassau Diagnostic Imaging Services P.C. enrolled in Medicare?

Yes. Western Nassau Diagnostic Imaging Services P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Western Nassau Diagnostic Imaging Services P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 24 clinicians in 3 Medicare specialties reassign their Medicare billing to Western Nassau Diagnostic Imaging Services P.C.. 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 Diagnostic Radiology (12), Cardiovascular Disease (Cardiology) (11) and Pediatric Medicine (1). Of these, 3 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 Western Nassau Diagnostic Imaging Services P.C. was last updated on July 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.