Quick answers
- Where does Diana Chu 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 Diana Chu's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Diana Chu accept Medicare assignment?
- Yes. Medicare's clinician data says Diana Chu 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 Diana Chu?
- (203) 465-1424, as listed in official Medicare / NPI Registry data.
- What is Diana Chu's NPI number?
- 1174149207. 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 Diana Chu 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 Diana Chu as a member of this group (CMS data updated 2026-10-02).
- Washington Eye Institute, LLC9 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Rockville
Clinicians with the same Medicare primary specialty in Rockville, MD — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Illinois College Of Optometry At Chicago |
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174149207 |
| 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