Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sinclair J Harcus Jr., MD

Family Medicine Physician in Lexington, VA · enumerated 2006.

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

National Provider Identifier

1689646804

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Registry record

Entity type Individual (Type 1)

Name Dr. Sinclair J Harcus Jr.

Credential MD

Sex Male

Practice address 108 Houston St, Suite C, Lexington, VA, 24450

Phone (540) 463-7628

Fax (540) 463-6956

Enumeration date Feb 2, 2006

Last updated in NPPES Aug 11, 2011

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 0101-035372 (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
010296005	Medicaid	VA	-
005623961	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Sinclair Harcus?

The National Provider Identifier (NPI) for Sinclair Harcus is 1689646804, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sinclair Harcus practice?

The practice location on file with NPPES is in Lexington, 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 2011-08-11.