Quick answers
- Where does Sidney T. Chang see patients?
- Medicare's clinician data lists 3 practice locations, including Annapolis, MD, Hagerstown, MD and Charlotte Hall, MD. Call before your visit to confirm the address.
- What is Sidney T. Chang's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Sidney T. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Sidney T. 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 Sidney T. Chang?
- (301) 791-0888, as listed in official Medicare / NPI Registry data.
- What is Sidney T. Chang's NPI number?
- 1790888006. 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 Sidney T. Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 2002 Medical PkwyAnnapolis, MD 21401
- 220 Champion Dr, Suite 100Hagerstown, MD 21740 (301) 791‑0888
- 37767 Market Dr, Unit 103Charlotte Hall, MD 20622 (410) 571‑8733
Group practices
Medicare enrollment lists Sidney T. Chang as a member of this group (CMS data updated 2026-10-02).
- Chesapeake Eye Care and Laser Center LLC80 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Annapolis
Clinicians with the same Medicare primary specialty in Annapolis, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Js Weill Medical College, Cornell University |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790888006 |
| 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