NASSAU OPHTHALMOLOGY ASSOC PC
NPI 1336286442
Ophthalmology in Cedarhurst, NY
About Nassau Ophthalmology Assoc Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NASSAU OPHTHALMOLOGY ASSOC PC (NPI 1336286442) is a healthcare organization registered as an ophthalmology in Cedarhurst, New York and active in the NPI registry since January 2007. The organization lists Michael E Margulis, Dr, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 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 Ophthalmology Assoc Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Nassau Ophthalmology Assoc PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
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 Ophthalmology Assoc PC's NPI number?
The NPI number for Nassau Ophthalmology Assoc PC is 1336286442. It was assigned to this organization in the NPPES registry on January 30, 2007.
Where is Nassau Ophthalmology Assoc PC located?
Nassau Ophthalmology Assoc PC is located at 123 Grove Ave, Cedarhurst, NY 11516. The listed phone number is (576) 374-6900.
What is Nassau Ophthalmology Assoc PC's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Nassau Ophthalmology Assoc PC enrolled in Medicare?
Yes. Nassau Ophthalmology Assoc PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Nassau Ophthalmology Assoc PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Ophthalmology, reassign their Medicare billing to Nassau Ophthalmology Assoc PC. 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. Of these, 2 practice at this address. 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 Ophthalmology Assoc PC was last updated on July 7, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.