DR. PHONG NGUYEN M.D.
NPI 1215080668
Internal Medicine - Pulmonary Disease in Mc Lean, VA
About Dr. Phong Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PHONG NGUYEN M.D. (NPI 1215080668) is an individual pulmonary disease provider in Mc Lean, Virginia, licensed in Virginia (0101043746) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Reston Hospital Center, and is a graduate of Virginia Commonwealth University, School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Phong Nguyen M.d. 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 Phong Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mc Lean, VA 22102
- Reassigned Medicare billing, District of Columbia, Virginia and Maryland enrollments
- Also billed through NPI 1073678637 (District of Columbia), NPI 1578638425 (District of Columbia), NPI 1699893537 (Virginia), NPI 1497023188 (District of Columbia), NPI 1366781700 (District of Columbia), NPI 1285752121 (Maryland), NPI 1942546486 (Maryland), NPI 1457023616 (Maryland)
- 2,492 clinicians in this Medicare group
Alexandria, VA 22303
- Reassigned Medicare billing, District of Columbia enrollment
- 158 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Reston Hospital Center
Acute Care Hospitals · Reston, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22102 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.
MC LEAN, VA 22102
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 Phong Nguyen's NPI number?
The NPI number for Phong Nguyen is 1215080668. It was assigned to this individual provider in the NPPES registry on January 19, 2007.
Where is Phong Nguyen located?
Phong Nguyen practices at 8008 Westpark Dr, Mc Lean, VA 22102. The listed phone number is (703) 287-1075.
What is Phong Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Phong Nguyen enrolled in Medicare?
Yes. Phong 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 organizations bill Medicare for Phong Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Phong Nguyen reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Mc Lean, VA) and Capital Healthcare PC (Alexandria, VA). 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 Phong Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Phong Nguyen affiliated with any hospitals?
According to CMS data, Phong Nguyen is affiliated with Reston Hospital Center.
When was this NPI record last updated?
The NPPES record for Phong Nguyen was last updated on August 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.