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Ophthalmology

Sarah M. Chang, MD

Sees patients in Rockville, MD · Greenbelt, MD · Maryland

Summary

Sarah M. Chang, MD (Ophthalmology) is enrolled with Medicare at 2 practice locations in Rockville, MD and Greenbelt, MD. NPI 1790280402. 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 Sarah M. Chang, 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

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
University Of Maryland School Of MedicineMedical school
FemaleGender (as listed)
Washington Eye Institute, LLCGroup practice

Quick answers

Where does Sarah M. Chang see patients?
Medicare's clinician data lists 2 practice locations, including Rockville, MD and Greenbelt, MD. Call before your visit to confirm the address.
What is Sarah M. Chang's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Sarah M. Chang accept Medicare assignment?
Yes. Medicare's clinician data says Sarah M. Chang 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 Sarah M. Chang?
(203) 465-1424, as listed in official Medicare / NPI Registry data.
What is Sarah M. Chang's NPI number?
1790280402. 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 Sarah M. Chang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Sarah M. Chang as a member of this group (CMS data updated 2026-10-02).

  • Washington Eye Institute, LLC9 clinicians in the group

Specialties

Find other Ophthalmology doctors in Maryland →

Other ophthalmologists in Rockville

Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.

All ophthalmologists in Rockville →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790280402
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