Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Thomas Griffith Duncan Jr., DDS

Dentist in Goldsboro, MD · enumerated 2007.

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

National Provider Identifier

1124222369

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Registry record

Entity type Individual (Type 1)

Name Thomas Griffith Duncan Jr.

Credential DDS

Sex Male

Practice address 316 Railroad Ave, Goldsboro, MD, 21636

Phone (410) 482-2224

Fax (410) 482-2511

Enumeration date Jun 12, 2007

Last updated in NPPES Jan 26, 2016

Taxonomy & licenses

122300000X Dentist Dental Providers · License 9757 (MD) 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.

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Frequently asked questions

Where does Thomas Duncan practice?

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

What is the NPI number for Thomas Duncan?

The National Provider Identifier (NPI) for Thomas Duncan is 1124222369, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-26.