NPPES file of Aug 9, 2026

Constantine N. Chienku, M.D.

Family Medicine Physician · Woodbridge, VA

Constantine N. Chienku, M.D. is a family medicine physician with a practice address in Woodbridge, Virginia, and NPI 1831139336, issued on Jun 7, 2006. Check the license (Virginia 0101230316, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831139336
Name
Constantine N. Chienku
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
0101230316 VA
010266823 VA
Self-reported in NPPES; status is on the state search
Practice location
14087 Richmond Hwy Unit 101, Woodbridge, VA 22191
Phone
(571) 300-8000
Enumerated
Jun 7, 2006
Record last updated
Feb 28, 2025
Medicaid IDs
010266823 VA
305773 VA
Medicare enrollment
Enrolled (PECOS I20110426000300); accepts Medicare assignment
Medical or professional school
Howard University College Of Medicine, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 14087 Richmond Hwy Unit 101

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Arian Ahmadzai, P.A.Medical Physician Assistant1972599272
  2. Pawanpreet Kaur, FNP-CFamily Nurse Practitioner1861017972

Verify Constantine N. Chienku in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101230316
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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Most of these Medicare Part D claims are vaccines, 96% of the cost of the top drugs

184 Medicare Part D claims for 68 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Constantine Chienku184
  2. Specialty average3,544

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Amoxicillin15 claims
  2. Prednisone13 claims
  3. Shingrix12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. American Greatest Care LLCWoodbridge, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

44 family medicine physician records list a practice address in Woodbridge

They are 44 of the 2,253 NPPES records with a practice address in Woodbridge, and 4,137 family medicine physician records in Virginia.

Other family medicine physician records in Virginia

  1. Usman Aamir, MDStaunton, VA1871275941
  2. Maureen Aaron, M.D.Martinsville, VA1164409942
  3. Marianne Abadam, DOHampton, VA1144979808
  4. Tasnim Abbasi, MDDanville, VA1922941160
  5. Linda Abbey, M.D.Richmond, VA1366528028
  6. David Abbot, MDVienna, VA1447205158
  7. James Abbott, M.D.Richmond, VA1235169236
  8. Lonia Abbott, M.D.Colonial Heights, VA1134358138
  9. Wendy Abbott, DOBig Stone Gap, VA1497290241
  10. Rhanda Abd-Elfattah, M.D.Fairfax, VA1306286968

Common questions

What is Constantine N. Chienku, M.D.'s NPI number?

Constantine N. Chienku, M.D.'s National Provider Identifier (NPI) is 1831139336, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Constantine N. Chienku, M.D. located?

The NPPES record lists a practice address at 14087 Richmond Hwy Unit 101, Woodbridge, VA, 22191. Phone: (571) 300-8000. Providers update this record themselves, so call before visiting.

How can I verify Constantine N. Chienku, M.D.'s license?

NPPES lists Virginia license number 0101230316, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Constantine N. Chienku, M.D. prescribe under Medicare Part D?

In 2024, Constantine N. Chienku, M.D. had 184 Medicare Part D claims for 68 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.