ALEXANDER AN QUOC NGUYEN MSN, APRN, AGPCNP-BC
NPI 1235846213
Nurse Practitioner in Annandale, VA
About Alexander An Quoc Nguyen Msn, Aprn, Agpcnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER AN QUOC NGUYEN MSN, APRN, AGPCNP-BC (NPI 1235846213) is an individual nurse practitioner in Annandale, Virginia, licensed in Virginia (0024185156) and active in the NPI registry since October 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).
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
Alexander An Quoc Nguyen Msn, Aprn, Agpcnp-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 Alexander Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Annandale, VA 22003
- Reassigned Medicare billing, District of Columbia enrollment
- 5 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 22003 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.
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 Alexander Nguyen's NPI number?
The NPI number for Alexander Nguyen is 1235846213. It was assigned to this individual provider in the NPPES registry on October 31, 2022.
Where is Alexander Nguyen located?
Alexander Nguyen practices at 4208 Evergreen Ln Ste 214, Annandale, VA 22003. The listed phone number is (703) 642-6633.
What is Alexander Nguyen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Alexander Nguyen enrolled in Medicare?
Yes. Alexander 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 Alexander Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Nguyen reassigns Medicare benefits to Connie D. Le, M.D, P.C (Annandale, 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 Alexander 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 Alexander Nguyen was last updated on October 31, 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.
# Alexander An Quoc Nguyen, MSN, APRN, AGPCNP-BC · NPI 1235846213
Nurse Practitioner physician in Annandale, Virginia. Individual provider, active in the CMS NPPES registry since October 31, 2022.
## Identity
- **NPI:** 1235846213 (Entity type: Individual)
- **Enumerated:** October 31, 2022
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 0024185156 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 4208 EVERGREEN LN STE 214, Annandale, VA 22003-3254
- **Phone:** (703) 642-6633
## 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:** Connie D. Le, M.D, P.C (NPI 1174712301, Annandale, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** October 31, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1235846213) · Data from the CMS NPPES public registry.