RYAN DUONG
NPI 1215687629
Ophthalmology in Fairfax, VA
About Ryan Duong NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN DUONG (NPI 1215687629) is an individual ophthalmology provider in Fairfax, Virginia, licensed in Virginia (0101288695) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and is a graduate of University Of Virginia School Of Medicine (2022).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ryan Duong is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ryan Duong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 74 clinicians in this Medicare group
Greenbelt, MD 20770
- Reassigned Medicare billing, District of Columbia, Maryland and Virginia enrollments
- 69 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22031
FAIRFAX, VA 22031
FAIRFAX, VA 22031
FAIRFAX, VA 22031
FAIRFAX, VA 22031
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ryan Duong's NPI number?
The NPI number for Ryan Duong is 1215687629. It was assigned to this individual provider in the NPPES registry on March 28, 2022.
Where is Ryan Duong located?
Ryan Duong practices at 8270 Willow Oaks Corporate Dr Fl 6, Fairfax, VA 22031. The listed phone number is (703) 698-9335.
What is Ryan Duong's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Ryan Duong enrolled in Medicare?
Yes. Ryan Duong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ryan Duong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Duong reassigns Medicare benefits to 2 organizations: Washington National Eye Center (Washington, DC) and The Retina Group Of Washington, PLLC (Greenbelt, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ryan Duong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Duong accept?
Health plans from Oscar Health list Ryan Duong as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ryan Duong affiliated with any hospitals?
According to CMS data, Ryan Duong is affiliated with Inova Fair Oaks Hospital.
When was this NPI record last updated?
The NPPES record for Ryan Duong was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ryan Duong · NPI 1215687629
Ophthalmology physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since March 28, 2022.
## Identity
- **NPI:** 1215687629 (Entity type: Individual)
- **Enumerated:** March 28, 2022
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 0101288695 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 8270 WILLOW OAKS CORPORATE DR FL 6, Fairfax, VA 22031-4530
- **Phone:** (703) 698-9335 · **Fax:** (703) 207-0038
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Washington National Eye Center (NPI 1437175684, Washington, DC); The Retina Group Of Washington, PLLC (NPI 1225001654, Greenbelt, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 2022
## Record status
- **NPPES last updated:** October 6, 2026
- **Other identifiers:** Medicaid 600935202 (MD); Medicaid 000003998 (DC); Medicaid 30018434090002 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1215687629) · Data from the CMS NPPES public registry.