DR. EUGENE CHUNG M.D.
NPI 1821164435
Pediatrics in Leesburg, VA
About Dr. Eugene Chung M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. EUGENE CHUNG M.D. (NPI 1821164435) is an individual pediatrics provider in Leesburg, Virginia, licensed in Virginia (0101241550) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Eugene Chung M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Eugene Chung reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Leesburg, VA 20176
- Reassigned Medicare billing, Virginia enrollment
- 103 clinicians in this Medicare group
Vienna, VA 22180
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 160 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, Maryland enrollment
- 91 clinicians in this Medicare group
Maysville, KY 41056
- Reassigned Medicare billing, Tennessee enrollment
- 1,071 clinicians in this Medicare group
Newport, TN 37821
- Reassigned Medicare billing, Virginia enrollment
- 679 clinicians in this Medicare group
West Memphis, AR 72301
- Reassigned Medicare billing, Virginia enrollment
- 528 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 20176 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.
LEESBURG, VA 20176
LEESBURG, VA 20176
LEESBURG, VA 20176
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 Eugene Chung's NPI number?
The NPI number for Eugene Chung is 1821164435. It was assigned to this individual provider in the NPPES registry on November 27, 2006.
Where is Eugene Chung located?
Eugene Chung practices at 44045 Riverside Pkwy, Leesburg, VA 20176. The listed phone number is (703) 858-6048.
What is Eugene Chung's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Eugene Chung enrolled in Medicare?
Yes. Eugene Chung is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Eugene Chung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eugene Chung reassigns Medicare benefits to 6 organizations: Commonwealth Emergency Physicians PC (Leesburg, VA), Inova Health Care Services (Vienna, VA), Hospitalist Medicine Physicians Of Maryland-Frederick PC (Frederick, MD), Southeastern Emergency Physicians LLC (Maysville, KY), Emergency Coverage, LLC (Newport, TN) and 1 more organization, listed in the Medicare section above. 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 Eugene Chung'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 Eugene Chung was last updated on March 21, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Eugene Chung, M.D. · NPI 1821164435
Pediatrics physician in Leesburg, Virginia. Individual provider, active in the CMS NPPES registry since November 27, 2006.
## Identity
- **NPI:** 1821164435 (Entity type: Individual)
- **Enumerated:** November 27, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 0101241550 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 44045 RIVERSIDE PKWY, Leesburg, VA 20176-5101
- **Phone:** (703) 858-6048
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Commonwealth Emergency Physicians PC (NPI 1598723082, Leesburg, VA); Inova Health Care Services (NPI 1275886418, Vienna, VA); Hospitalist Medicine Physicians Of Maryland-Frederick PC (NPI 1093322257, Frederick, MD); Southeastern Emergency Physicians LLC (NPI 1356379382, Maysville, KY); Emergency Coverage, LLC (NPI 1427005008, Newport, TN); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 21, 2008
- **Other identifiers:** Medicare PIN 015912C77 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1821164435) · Data from the CMS NPPES public registry.