Quick answers
- Which hospitals does Ryan Duong work at?
- Medicare's official clinician data lists Ryan Duong at 1 hospital: Inova Fair Oaks Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan Duong see patients?
- Medicare's clinician data lists 4 practice locations, including Leesburg, VA, Annapolis, MD and Frederick, MD. Call before your visit to confirm the address.
- What is Ryan Duong's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Ryan Duong accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan Duong 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 Ryan Duong?
- (703) 421-0931, as listed in official Medicare / NPI Registry data.
- What is Ryan Duong's NPI number?
- 1215687629. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan Duong works
Medicare's Facility Affiliation Data lists Ryan Duong at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · CCN 490101
Practice locations
Addresses where Ryan Duong is enrolled with Medicare (CMS data updated 2026-10-02).
- 19500 Sandridge Way, Suite 430Leesburg, VA 20176 (703) 421‑0931
- 2002 Medical Pkwy, Suite 450Annapolis, MD 21401 (410) 224‑6680
- 5283 Corporate Dr, Suite 201Frederick, MD 21703 (301) 662‑4545
- 660 Pennsylvania Ave SE, Suite 200Washington, DC 20003 (202) 331‑1188
Group practices
Medicare enrollment lists Ryan Duong as a member of this group (CMS data updated 2026-10-02).
- The Retina Group of Washington PLLC84 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Leesburg
Clinicians with the same Medicare primary specialty in Leesburg, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1215687629 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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