MYOUNG KWAK MD
NPI 1891350013
Emergency Medicine in Fairfax, VA
About Myoung Kwak Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MYOUNG KWAK MD (NPI 1891350013) is an individual emergency medicine provider in Fairfax, Virginia, licensed in Virginia (0101276027) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Novant Prince William Medical Center, and is a graduate of Other (2005).
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
Myoung Kwak 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 Reassignments
2Medicare enrollment records show Myoung Kwak reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfax, VA 22033
- Reassigned Medicare billing, District of Columbia enrollment
Falls Church, VA 22042
- Reassigned Medicare billing, Virginia enrollment
- 1,294 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Novant Prince William Medical Center
Acute Care Hospitals · Manassas, VAUva Health Haymarket Medical Center
Acute Care Hospitals · Haymarket, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22033 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
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 Myoung Kwak's NPI number?
The NPI number for Myoung Kwak is 1891350013. It was assigned to this individual provider in the NPPES registry on May 2, 2019.
Where is Myoung Kwak located?
Myoung Kwak practices at 12600 Fair Lakes Cir, Fairfax, VA 22033. The listed phone number is (201) 747-3229.
What is Myoung Kwak's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Myoung Kwak enrolled in Medicare?
Yes. Myoung Kwak 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 Myoung Kwak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Myoung Kwak reassigns Medicare benefits to 2 organizations: Naum PLLC (Fairfax, VA) and Emergency Medicine Associates P.A., P.C. (Falls Church, 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 Myoung Kwak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Myoung Kwak affiliated with any hospitals?
According to CMS data, Myoung Kwak is affiliated with Novant Prince William Medical Center and Uva Health Haymarket Medical Center.
When was this NPI record last updated?
The NPPES record for Myoung Kwak was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Myoung Kwak, MD · NPI 1891350013
Emergency Medicine physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since May 2, 2019.
## Identity
- **NPI:** 1891350013 (Entity type: Individual)
- **Enumerated:** May 2, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 0101276027 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 12600 FAIR LAKES CIR, Fairfax, VA 22033-4904
- **Phone:** (201) 747-3229
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Naum PLLC (NPI 1487441887, Fairfax, VA); Emergency Medicine Associates P.A., P.C. (NPI 1134117393, Falls Church, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** March 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1891350013) · Data from the CMS NPPES public registry.