Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael Gremban
Pharmacist in West Milwaukee, WI · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003414822
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Registry record
Entity type Individual (Type 1)
Name Michael Gremban
Sex Male
Practice address 4140 W Greenfield Ave, West Milwaukee, WI, 53215
Phone (414) 978-2007
Fax (414) 978-2008
Enumeration date Oct 14, 2020
Last updated in NPPES Oct 14, 2020
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 Michael Gremban?
The National Provider Identifier (NPI) for Michael Gremban is 1003414822, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Gremban practice?
The practice location on file with NPPES is in West Milwaukee, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-14.