Tan & Mar Optometry
NPI 1770973968 · Optometrist · Northport, NY
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tan & Mar Optometry is a Optometrist organization in Northport, NY (NPI 1770973968).
Provider details
- NPI number
- 1770973968
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Grace Tan, Member(631) 757-4440
- License
- NY TUV 7209 (NY)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
Other names (DBA / former)
- Doing business as
- Northport Eye Care
Registry dates
- Enumerated
- 2015-01-27
- Last updated
- 2015-03-04
Frequently asked questions
- What is Tan & Mar Optometry's NPI number?
- Tan & Mar Optometry's National Provider Identifier (NPI) is 1770973968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tan & Mar Optometry?
- Tan & Mar Optometry is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Tan & Mar Optometry located?
- Tan & Mar Optometry's practice location on file with NPPES is 834 Fort Salonga Rd, Northport, NY 11768-3157.
- What is Tan & Mar Optometry's phone number?
- The practice phone number listed in the NPPES registry for Tan & Mar Optometry is (631) 757-4440.
- Does Tan & Mar Optometry accept Medicare?
- Tan & Mar Optometry 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 Tan & Mar Optometry?
- The authorized official listed on Tan & Mar Optometry's NPPES record is Grace Tan, Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tan & Mar Optometry's NPI active?
- Yes — Tan & Mar Optometry's NPI (1770973968) is active in the NPPES registry as of the last update on 2015-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.