ZWANGER & PESIRI RADIOLOGY GROUP, LLP
NPI 1477523413
Radiology - Diagnostic Radiology in Lindenhurst, NY
About Zwanger & Pesiri Radiology Group, Llp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZWANGER & PESIRI RADIOLOGY GROUP, LLP (NPI 1477523413) is a healthcare organization registered as a diagnostic radiology in Lindenhurst, New York and active in the NPI registry since January 2006. The organization holds a CLIA Waiver certificate valid through March 26, 2027 and lists Steven L. Mendelsohn, Partner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Zwanger & Pesiri Radiology Group, Llp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date 2
Next revalidation due by October 31, 2026
This provider holds 2 Medicare enrollments with upcoming revalidation dates. Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
253Medicare enrollment records show 253 clinicians reassign Medicare billing to Zwanger & Pesiri Radiology Group, LLP, which bills Medicare for the services they deliver. Of these, 42 practice at this address and 51 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 4
Nearest to this location (20)
See all 253Lindenhurst, NY 11757
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 33D1076606
Zwanger & Pesiri Radiology Group LLP · Lindenhurst, NYFrequently 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 Zwanger & Pesiri Radiology Group, LLP's NPI number?
The NPI number for Zwanger & Pesiri Radiology Group, LLP is 1477523413. It was assigned to this organization in the NPPES registry on January 24, 2006.
Where is Zwanger & Pesiri Radiology Group, LLP located?
Zwanger & Pesiri Radiology Group, LLP is located at 150 E Sunrise Hwy, Lindenhurst, NY 11757. The listed phone number is (631) 225-7200.
What is Zwanger & Pesiri Radiology Group, LLP's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Zwanger & Pesiri Radiology Group, LLP enrolled in Medicare?
Yes. Zwanger & Pesiri Radiology Group, LLP is registered in the Medicare PECOS enrollment system.
When is Zwanger & Pesiri Radiology Group, LLP's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), Zwanger & Pesiri Radiology Group, LLP holds 2 Medicare enrollments with upcoming revalidation dates. The next is due by October 31, 2026 (Non-DME Part B, North Carolina, Clinic/Group Practice). Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Zwanger & Pesiri Radiology Group, LLP?
According to the CMS Revalidation Reassignment List (October 2026 release), 253 clinicians in 4 Medicare specialties reassign their Medicare billing to Zwanger & Pesiri Radiology Group, LLP. 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 (228), Cardiovascular Disease (Cardiology) (17) and Interventional Radiology (4). Of these, 42 practice at this address and 51 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Zwanger & Pesiri Radiology Group, LLP hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 33D1076606) is associated with this NPI, valid through March 26, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Zwanger & Pesiri Radiology Group, LLP was last updated on July 2, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Zwanger & Pesiri Radiology Group, Llp · NPI 1477523413
Diagnostic Radiology organization in Lindenhurst, New York. Organization record, active in the CMS NPPES registry since January 24, 2006.
## Identity
- **NPI:** 1477523413 (Entity type: Organization)
- **Enumerated:** January 24, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **Organization subpart:** No
- **Authorized official:** Steven Mendelsohn, PARTNER
## Practice location
- **Address:** 150 E SUNRISE HWY, Lindenhurst, NY 11757-2598
- **Phone:** (631) 225-7200 · **Fax:** (631) 930-9451
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, North Carolina, Clinic/Group Practice), next of 2 enrollments with upcoming dates · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 253 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Diagnostic Radiology (228), Cardiovascular Disease (Cardiology) (17), Interventional Radiology (4); 42 practice at this address and 51 within 10 miles; [full list](https://npiprofile.com/npi/1477523413/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 2, 2012
- **Other identifiers:** Medicaid 00418942 (NY); Medicare PIN W13931 (NY)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1477523413) · Data from the CMS NPPES public registry.