GRACE D YOON FNP-BC
NPI 1851944169
Nurse Practitioner - Family in Alexandria, VA
About Grace D Yoon Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE D YOON FNP-BC (NPI 1851944169) is an individual family provider in Alexandria, Virginia, licensed in Virginia (0024178211) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Grace D Yoon Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Grace Yoon reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alexandria, VA 22304
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
- Also billed through NPI 1134117393 (Virginia)
- 1,150 clinicians in this Medicare group
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 1,534 clinicians in this Medicare group
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia enrollment
- 2,618 clinicians in this Medicare group
Fairfax, VA 22033
- Reassigned Medicare billing, District of Columbia enrollment
- 71 clinicians in this Medicare group
Leesburg, VA 20176
- Reassigned Medicare billing, District of Columbia enrollment
- 134 clinicians in this Medicare group
Warrenton, VA 20186
- Reassigned Medicare billing, Virginia enrollment
- 60 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22306 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALEXANDRIA, VA 22306
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 Grace Yoon's NPI number?
The NPI number for Grace Yoon is 1851944169. It was assigned to this individual provider in the NPPES registry on July 17, 2019.
Where is Grace Yoon located?
Grace Yoon practices at 2501 Parkers Ln, Alexandria, VA 22306. The listed phone number is (703) 664-7000.
What is Grace Yoon's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Grace Yoon enrolled in Medicare?
Yes. Grace Yoon is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Grace Yoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Yoon reassigns Medicare benefits to 6 organizations: Emergency Medicine Associates PA (Alexandria, VA), Privia Medical Group, LLC (Arlington, VA), Inova Health Care Services (Falls Church, VA), Fair Oaks Emergency Physicians, PLLC (Fairfax, VA), Commonwealth Emergency Physicians PC (Leesburg, VA) and 1 more organization, listed in the Medicare section above. 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 Grace Yoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Grace Yoon was last updated on November 7, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Grace D Yoon, FNP-BC · NPI 1851944169
Family physician in Alexandria, Virginia. Individual provider, active in the CMS NPPES registry since July 17, 2019.
## Identity
- **NPI:** 1851944169 (Entity type: Individual)
- **Enumerated:** July 17, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0024178211 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2501 PARKERS LN, Alexandria, VA 22306-3209
- **Phone:** (703) 664-7000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Associates PA (NPI 1932948114, Alexandria, VA); Privia Medical Group, LLC (NPI 1013042480, Arlington, VA); Inova Health Care Services (NPI 1952320061, Falls Church, VA); Fair Oaks Emergency Physicians, PLLC (NPI 1649203605, Fairfax, VA); Commonwealth Emergency Physicians PC (NPI 1598723082, Leesburg, VA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 7, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1851944169) · Data from the CMS NPPES public registry.