DR. HOANG AN N NGUYEN MD
NPI 1114095528
Internal Medicine in Ashburn, VA
About Dr. Hoang An N Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOANG AN N NGUYEN MD (NPI 1114095528) is an individual internal medicine provider in Ashburn, Virginia, licensed in Virginia (0101235326) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Virginia School Of Medicine (1997).
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 and accepts Medicare assignment
Dr. Hoang An N Nguyen Md 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 Hoang An Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ashburn, VA 20147
- Reassigned Medicare billing, Virginia and District of Columbia enrollments
- Also billed through NPI 1215058326 (District of Columbia)
- 995 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20147 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 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Hoang An Nguyen's NPI number?
The NPI number for Hoang An Nguyen is 1114095528. It was assigned to this individual provider in the NPPES registry on December 1, 2006.
Where is Hoang An Nguyen located?
Hoang An Nguyen practices at 43480 Yukon Dr Suite 100, Ashburn, VA 20147. The listed phone number is (571) 252-6000.
What is Hoang An Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Hoang An Nguyen enrolled in Medicare?
Yes. Hoang An Nguyen 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 Hoang An Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hoang An Nguyen reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Ashburn, 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 Hoang An Nguyen'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 Hoang An Nguyen was last updated on January 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Hoang An N Nguyen, MD · NPI 1114095528
Internal Medicine physician in Ashburn, Virginia. Individual provider, active in the CMS NPPES registry since December 1, 2006.
## Identity
- **NPI:** 1114095528 (Entity type: Individual)
- **Enumerated:** December 1, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 0101235326 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 43480 YUKON DR, SUITE 100, Ashburn, VA 20147-6988
- **Phone:** (571) 252-6000 · **Fax:** (571) 252-6011
## 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:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1699893537, Ashburn, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 1997
## Record status
- **NPPES last updated:** January 7, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1114095528) · Data from the CMS NPPES public registry.