JUNG WHAN YOON
NPI 1669902318
Internal Medicine - Rheumatology in Woodbridge, VA
About Jung Whan Yoon NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUNG WHAN YOON (NPI 1669902318) is an individual rheumatology provider in Woodbridge, Virginia, licensed in Virginia (0102207241) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Inova Fair Oaks Hospital, and is a graduate of Kansas City University Of Med & Biosciences, College Of Osteo Med (2017).
NPPES Registry Identity
Specialties & Licenses 3
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
Jung Whan Yoon 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 Jung Whan Yoon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Woodbridge, VA 22191
- Reassigned Medicare billing, Virginia enrollment
- 6 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia enrollment
- 6 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Fair Oaks Hospital
Acute Care Hospitals · Fairfax, VAInova Mount Vernon Hospital
Acute Care Hospitals · Alexandria, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22191 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WOODBRIDGE, VA 22191
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 Jung Whan Yoon's NPI number?
The NPI number for Jung Whan Yoon is 1669902318. It was assigned to this individual provider in the NPPES registry on June 15, 2017.
Where is Jung Whan Yoon located?
Jung Whan Yoon practices at 14904 Richmond Hwy Ste 203, Woodbridge, VA 22191. The listed phone number is (703) 492-6660.
What is Jung Whan Yoon's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Jung Whan Yoon enrolled in Medicare?
Yes. Jung Whan Yoon 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 Jung Whan Yoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jung Whan Yoon reassigns Medicare benefits to 2 organizations: Greater Washington Arthritis Rheumatology & Octeoporosis Ctr (Woodbridge, VA) and Annapolis Rheumatology LLC (Annapolis, 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 Jung Whan Yoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jung Whan Yoon affiliated with any hospitals?
According to CMS data, Jung Whan Yoon is affiliated with Inova Fair Oaks Hospital and Inova Mount Vernon Hospital.
When was this NPI record last updated?
The NPPES record for Jung Whan Yoon was last updated on August 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.