Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Tom Allen Hamilton
Optometrist in Rochester Hills, MI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1932244522
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Registry record
Entity type Individual (Type 1)
Name Tom Allen Hamilton
Sex Male
Practice address 2046 W Auburn Rd, Rochester Hills, MI, 48309
Phone (248) 852-8830
Fax (248) 852-6937
Enumeration date Feb 21, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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.
Frequently asked questions
What is the NPI number for Tom Hamilton?
The National Provider Identifier (NPI) for Tom Hamilton is 1932244522, a Type 1 (individual) record in the CMS NPPES registry.
Where does Tom Hamilton practice?
The practice location on file with NPPES is in Rochester Hills, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.