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Optometry

Grace Tan, OD

Sees patients in Northport, NY · New York

Summary

Grace Tan, OD (Optometry) is enrolled with Medicare at 1 practice location in Northport, NY. NPI 1770776197. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Grace Tan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OptometryPrimary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
State University Of New York - State College OptometryMedical school
FemaleGender (as listed)
Tan and Mar OptometryGroup practice

Quick answers

Where does Grace Tan see patients?
Medicare's clinician data lists 1 practice location in Northport, NY. Call before your visit to confirm the address.
What is Grace Tan's specialty?
Medicare lists Optometry as the primary specialty.
Does Grace Tan accept Medicare assignment?
Yes. Medicare's clinician data says Grace Tan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Grace Tan?
(631) 757-4440, as listed in official Medicare / NPI Registry data.
What is Grace Tan's NPI number?
1770776197. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Grace Tan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Grace Tan as a member of this group (CMS data updated 2026-10-02).

  • Tan and Mar Optometry2 clinicians in the group

Specialties

Find other clinicians: Optometry, New York →

Other optometrists in Northport

Clinicians with the same Medicare primary specialty in Northport, NY — not a recommendation.

All optometrists in Northport →

Clinician information

CredentialOD
Medical schoolState University Of New York - State College Optometry
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770776197
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians