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Dr. Jack Gradoville, DDS

General Practice Dentistry in Williamsburg, IA · enumerated 2022.

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

National Provider Identifier

1326779588

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Registry record

Entity type Individual (Type 1)
Name Dr. Jack Gradoville
Credential DDS
Sex Male
Practice address 827 S Highland St, Williamsburg, IA, 52361
Phone (319) 668-9808
Enumeration date Jun 20, 2022
Last updated in NPPES Jun 20, 2022

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License DDS-10008 (IA) Primary
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Other identifiers

Identifier Type State Issuer
DDS-10008 Other IA DENTAL LICENSE NUMBER

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 Jack Gradoville?
The National Provider Identifier (NPI) for Jack Gradoville is 1326779588, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jack Gradoville practice?
The practice location on file with NPPES is in Williamsburg, IA. 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 2022-06-20.