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).
- 14995 Shady Grove Rd, Suite 110Rockville, MD 20850 (203) 465‑1424
- 7500 Greenway Ctr Dr, Suite 300Greenbelt, MD 20770 (301) 277‑4844
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
- Ophthalmologyprimary
Other ophthalmologists in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790280402 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians