Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Michael F Kosir, O.D.
Optometrist in Mckinney, TX · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174858492
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Registry record
Entity type Individual (Type 1)
Name Dr. Michael F Kosir
Credential O.D.
Sex Male
Practice address 2025 N Central Expy, Mckinney, TX, 75070
Phone (972) 542-5885
Enumeration date Oct 4, 2009
Last updated in NPPES Mar 2, 2016
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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 Kosir?
The National Provider Identifier (NPI) for Michael Kosir is 1174858492, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Kosir practice?
The practice location on file with NPPES is in Mckinney, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-03-02.