Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Michael John Gasiewicz, D.C.
Chiropractor in Warren, MI · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124453360
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Registry record
Entity type Individual (Type 1)
Name Dr. Michael John Gasiewicz
Credential D.C.
Sex Male
Practice address 27253 Van Dyke Ave, Warren, MI, 48093
Phone (586) 459-5692
Fax (586) 459-5635
Enumeration date Sep 6, 2013
Last updated in NPPES Nov 17, 2020
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
What is the NPI number for Michael Gasiewicz?
The National Provider Identifier (NPI) for Michael Gasiewicz is 1124453360, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Gasiewicz practice?
The practice location on file with NPPES is in Warren, MI. 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 2020-11-17.