Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Dennison Robert Hamilton, MD, MPH

Occupational Medicine Physician in Overland Park, KS · enumerated 2006.

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

National Provider Identifier

1225002660

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Registry record

Entity type Individual (Type 1)

Name Dr. Dennison Robert Hamilton

Credential MD, MPH

Sex Male

Practice address 7100 College Blvd, Overland Park, KS, 66210

Phone (913) 914-1234

Fax (913) 914-5454

Enumeration date Feb 14, 2006

Last updated in NPPES Oct 16, 2023

Taxonomy & licenses

2083X0100X Occupational Medicine Physician Allopathic & Osteopathic Physicians · License 0419809 (KS) Secondary

2083X0100X Occupational Medicine Physician Allopathic & Osteopathic Physicians · License R7D13 (MO) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

What is the NPI number for Dennison Hamilton?

The National Provider Identifier (NPI) for Dennison Hamilton is 1225002660, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dennison Hamilton practice?

The practice location on file with NPPES is in Overland Park, KS. 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 2023-10-16.