Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael Thomas Martini, DC
Chiropractor in Portage, MI · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811548555
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Registry record
Entity type Individual (Type 1)
Name Michael Thomas Martini
Credential DC
Sex Male
Practice address 1930 W Milham Ave Ste D, Portage, MI, 49024
Phone (269) 345-2273
Enumeration date Sep 24, 2019
Last updated in NPPES Sep 24, 2019
Taxonomy & licenses
DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders.
About the DC 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.
Frequently asked questions
Where does Michael Martini practice?
The practice location on file with NPPES is in Portage, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Martini?
The National Provider Identifier (NPI) for Michael Martini is 1811548555, 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 2019-09-24.