Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marc C Alembik, MD

Q: What is the NPI number for Marc Alembik?

The National Provider Identifier (NPI) for Marc Alembik is 1003899840, a Type 1 (individual) record in the CMS NPPES registry.

Obstetrics & Gynecology Physician in Woodbridge, VA · enumerated 2005.

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

National Provider Identifier

1003899840

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Registry record

Entity type Individual (Type 1)

Name Marc C Alembik

Credential MD

Sex Male

Practice address 2296 Opitz Blvd, #440, Woodbridge, VA, 22191

Phone (703) 878-0740

Fax (703) 878-3933

Enumeration date Nov 25, 2005

Last updated in NPPES Feb 14, 2022

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 0101050991 (VA) Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 0101050991 (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
006202403	Medicaid	VA	-

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.

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Frequently asked questions

What is the NPI number for Marc Alembik?

The National Provider Identifier (NPI) for Marc Alembik is 1003899840, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marc Alembik 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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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-14.