Nassau Ophthalmology Assoc PC
NPI 1336286442 · Ophthalmology Physician · Cedarhurst, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nassau Ophthalmology Assoc PC is a Ophthalmology Physician organization in Cedarhurst, NY (NPI 1336286442).
Provider details
- NPI number
- 1336286442
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Margulis, Dr(516) 374-6900
- License
- 180068 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-30
- Last updated
- 2014-07-07
Frequently asked questions
- What is Nassau Ophthalmology Assoc PC's NPI number?
- Nassau Ophthalmology Assoc PC's National Provider Identifier (NPI) is 1336286442, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Nassau Ophthalmology Assoc PC?
- Nassau Ophthalmology Assoc PC is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Nassau Ophthalmology Assoc PC located?
- Nassau Ophthalmology Assoc PC's practice location on file with NPPES is 123 Grove Ave, Cedarhurst, NY 11516-2322.
- What is Nassau Ophthalmology Assoc PC's phone number?
- The practice phone number listed in the NPPES registry for Nassau Ophthalmology Assoc PC is (576) 374-6900.
- Does Nassau Ophthalmology Assoc PC accept Medicare?
- Nassau Ophthalmology Assoc PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Nassau Ophthalmology Assoc PC?
- The authorized official listed on Nassau Ophthalmology Assoc PC's NPPES record is Michael Margulis, Dr. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Nassau Ophthalmology Assoc PC's NPI active?
- Yes — Nassau Ophthalmology Assoc PC's NPI (1336286442) is active in the NPPES registry as of the last update on 2014-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.