Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Michael Alan Baker, O.D.
Optometrist in Madison, OH · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821227828
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Registry record
Entity type Individual (Type 1)
Name Dr. Michael Alan Baker
Credential O.D.
Sex Male
Practice address 103 N Lake St, Madison, OH, 44057
Phone (440) 428-2526
Fax (440) 428-2526
Enumeration date Jul 11, 2009
Last updated in NPPES Jul 11, 2009
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 Baker?
The National Provider Identifier (NPI) for Michael Baker is 1821227828, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Baker practice?
The practice location on file with NPPES is in Madison, OH. 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 2009-07-11.