YAN SUN FNP-BC
NPI 1982488128
Nurse Practitioner - Family in Reston, VA
About Yan Sun Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YAN SUN FNP-BC (NPI 1982488128) is an individual family provider in Reston, Virginia, licensed in Virginia (0024187476) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
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
Yan Sun Fnp-bc 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 Reassignment
Medicare enrollment records show Yan Sun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chantilly, VA 20151
- Reassigned Medicare billing, District of Columbia enrollment
- 379 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 5
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 Alexandria Hospital
Acute Care Hospitals · Alexandria, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20191 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RESTON, VA 20191
RESTON, VA 20191
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 Yan Sun's NPI number?
The NPI number for Yan Sun is 1982488128. It was assigned to this individual provider in the NPPES registry on August 21, 2023.
Where is Yan Sun located?
Yan Sun practices at 11800 Sunrise Valley Dr Ste 700, Reston, VA 20191. The listed phone number is (703) 834-1473.
What is Yan Sun's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Yan Sun enrolled in Medicare?
Yes. Yan Sun 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 organization bills Medicare for Yan Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yan Sun reassigns Medicare benefits to Inova Physician Partners, LLC (Chantilly, VA). The 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 Yan Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yan Sun accept?
Health plans from Oscar Health list Yan Sun 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 Yan Sun affiliated with any hospitals?
According to CMS data, Yan Sun is affiliated with Inova Alexandria Hospital and Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Yan Sun was last updated on August 21, 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.
# Yan Sun, FNP-BC · NPI 1982488128
Family physician in Reston, Virginia. Individual provider, active in the CMS NPPES registry since August 21, 2023.
## Identity
- **NPI:** 1982488128 (Entity type: Individual)
- **Enumerated:** August 21, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 0024187476 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 11800 SUNRISE VALLEY DR STE 700, Reston, VA 20191-5315
- **Phone:** (703) 834-1473
## 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:** Inova Physician Partners, LLC (NPI 1215264916, Chantilly, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** August 21, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1982488128) · Data from the CMS NPPES public registry.