Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Harper A Thompson, DDS

General Practice Dentistry in Franklin, VA · enumerated 2010.

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

National Provider Identifier

1407176555

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Registry record

Entity type Individual (Type 1)

Name Dr. Harper A Thompson

Credential DDS

Sex Male

Practice address 500 N Main St, Franklin, VA, 23851

Phone (757) 562-5156

Fax (757) 562-5157

Enumeration date Jun 10, 2010

Last updated in NPPES Dec 28, 2021

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License 0401412839 (VA) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

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

Where does Harper Thompson practice?

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

What is the NPI number for Harper Thompson?

The National Provider Identifier (NPI) for Harper Thompson is 1407176555, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-12-28.