CONSTANTINE N. CHIENKU M.D.
NPI 1831139336
Family Medicine in Woodbridge, VA
About Constantine N. Chienku M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CONSTANTINE N. CHIENKU M.D. (NPI 1831139336) is an individual family medicine provider in Woodbridge, Virginia, licensed in Virginia (0101230316) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Howard University College Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 10
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
Constantine N. Chienku 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 Constantine Chienku reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Woodbridge, VA 22191
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 25 clinicians in this Medicare group
Roanoke, VA 24015
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 20 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22191 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 Constantine Chienku's NPI number?
The NPI number for Constantine Chienku is 1831139336. It was assigned to this individual provider in the NPPES registry on June 7, 2006.
Where is Constantine Chienku located?
Constantine Chienku practices at 14087 Richmond Hwy Unit 101, Woodbridge, VA 22191. The listed phone number is (571) 300-8000.
What is Constantine Chienku's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Constantine Chienku enrolled in Medicare?
Yes. Constantine Chienku 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 Constantine Chienku's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Constantine Chienku reassigns Medicare benefits to 2 organizations: American Greatest Care LLC (Woodbridge, VA) and Roanoke Valley Healthcare Partners, LLC (Roanoke, 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 Constantine Chienku'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 Constantine Chienku was last updated on February 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Constantine N. Chienku, M.D. · NPI 1831139336
Family Medicine physician in Woodbridge, Virginia. Individual provider, active in the CMS NPPES registry since June 7, 2006.
## Identity
- **NPI:** 1831139336 (Entity type: Individual)
- **Enumerated:** June 7, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 0101230316 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 14087 RICHMOND HWY UNIT 101, Woodbridge, VA 22191
- **Phone:** (571) 300-8000
## 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): American Greatest Care LLC (NPI 1790478782, Woodbridge, VA); Roanoke Valley Healthcare Partners, LLC (NPI 1619274446, Roanoke, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Howard University College Of Medicine, class of 2000
## Record status
- **NPPES last updated:** February 28, 2025
- **Other identifiers:** Other 437472 (VA); Other 541182305 (VA); Other 199786 (VA); and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1831139336) · Data from the CMS NPPES public registry.