Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael J Hayduk, DDS MS D
Periodontics in Michigan City, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1114009057
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Registry record
Entity type Individual (Type 1)
Name Michael J Hayduk
Credential DDS MS D
Sex Male
Practice address 450 St John Road, Suite 350, Michigan City, IN, 46360
Phone (219) 872-3232
Fax (219) 872-3583
Enumeration date Oct 19, 2006
Last updated in NPPES Jan 16, 2015
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
Where does Michael Hayduk practice?
The practice location on file with NPPES is in Michigan City, IN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Hayduk?
The National Provider Identifier (NPI) for Michael Hayduk is 1114009057, 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 2015-01-16.