Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Michael C. Martorana, O.D.
Optometrist in Louisville, KY · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1124460837
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Registry record
Entity type Individual (Type 1)
Name Dr. Michael C. Martorana
Credential O.D.
Sex Male
Practice address 1562 Bardstown Rd, Louisville, KY, 40205
Phone (502) 915-7794
Fax (844) 715-7924
Enumeration date Jul 23, 2013
Last updated in NPPES Oct 3, 2018
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
Where does Michael Martorana practice?
The practice location on file with NPPES is in Louisville, KY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Martorana?
The National Provider Identifier (NPI) for Michael Martorana is 1124460837, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-10-03.