Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael Giammarco, DC
Chiropractor in Menomonee Falls, WI · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841647765
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Registry record
Entity type Individual (Type 1)
Name Michael Giammarco
Credential DC
Sex Male
Practice address N89w16785 Appleton Ave Stop 5, Menomonee Falls, WI, 53051
Phone (262) 345-4262
Enumeration date May 20, 2016
Last updated in NPPES Jan 3, 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 Giammarco practice?
The practice location on file with NPPES is in Menomonee Falls, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Giammarco?
The National Provider Identifier (NPI) for Michael Giammarco is 1841647765, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-01-03.