Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael J Herr, O.D.
Optometrist in St Louis, MO · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518027531
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Registry record
Entity type Individual (Type 1)
Name Michael J Herr
Credential O.D.
Sex Male
Practice address 122 South County Centerway, Ste A Tenholder Plaza, St Louis, MO, 63129
Phone (314) 487-8555
Fax (314) 487-8518
Enumeration date Dec 11, 2006
Last updated in NPPES Apr 12, 2010
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 Herr practice?
The practice location on file with NPPES is in St Louis, MO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michael Herr?
The National Provider Identifier (NPI) for Michael Herr is 1518027531, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-04-12.