Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Constantine N. Chienku, M.D.

Family Medicine Physician in Woodbridge, VA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1831139336

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Registry record

Entity type Individual (Type 1)

Name Constantine N. Chienku

Credential M.D.

Sex Male

Practice address 14087 Richmond Hwy Unit 101, Woodbridge, VA, 22191

Phone (571) 300-8000

Enumeration date Jun 7, 2006

Last updated in NPPES Feb 28, 2025

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 010266823 (VA) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 0101230316 (VA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
437472	Other	VA	SOUTHERN HEALTH
541182305	Other	VA	UNITED HEALTHCARE
199786	Other	VA	ANTHEM
010266823	Medicaid	VA	-
305773	Medicaid	VA	-
8146917	Other	VA	MAMSI
2146917	Other	VA	MAMSI
3052918	Other	VA	CIGNA
541182305	Other	VA	TRICARE
752699	Other	VA	NCPPO

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Constantine Chienku?

The National Provider Identifier (NPI) for Constantine Chienku is 1831139336, a Type 1 (individual) record in the CMS NPPES registry.

Where does Constantine Chienku practice?

The practice location on file with NPPES is in Woodbridge, VA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Arian Ahmadzai Medical Physician Assistant · Woodbridge, VA NPI 1972599272 Pawanpreet Kaur Family Nurse Practitioner · Woodbridge, VA NPI 1861017972

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-28.