Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Thomas Michael Irwin, DC
Chiropractor in Cherokee, IA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942307699
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Registry record
Entity type Individual (Type 1)
Name Dr. Thomas Michael Irwin
Credential DC
Sex Male
Practice address 701 S Second St, Cherokee, IA, 51012
Phone (712) 225-2423
Fax (712) 225-2621
Enumeration date Sep 17, 2006
Last updated in NPPES Nov 14, 2007
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0153833 | Medicaid | IA | - |
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
Where does Thomas Irwin practice?
The practice location on file with NPPES is in Cherokee, IA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Thomas Irwin?
The National Provider Identifier (NPI) for Thomas Irwin is 1942307699, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-14.