Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Charles Grant Dennehey

Physician Assistant in Davenport, IA · enumerated 2020.

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

National Provider Identifier

1083253306

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Registry record

Entity type Individual (Type 1)

Name Charles Grant Dennehey

Sex Male

Practice address 1227 E Rusholme St, Davenport, IA, 52803

Phone (563) 421-1000

Enumeration date Jan 3, 2020

Last updated in NPPES Jul 1, 2025

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085.007911 (IL) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 099619 (IA) Primary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Secondary

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 Charles Dennehey?

The National Provider Identifier (NPI) for Charles Dennehey is 1083253306, a Type 1 (individual) record in the CMS NPPES registry.

Where does Charles Dennehey practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-01.