Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Michael Frederick Williams, O.D.
Optometrist in Lima, OH · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386698132
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Registry record
Entity type Individual (Type 1)
Name Dr. Michael Frederick Williams
Credential O.D.
Sex Male
Practice address 2155 Allentown Rd, Lima, OH, 45805
Phone (419) 338-3800
Fax (419) 222-1596
Enumeration date May 19, 2006
Last updated in NPPES Mar 21, 2011
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2632539 | Medicaid | OH | - |
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 Williams?
The National Provider Identifier (NPI) for Michael Williams is 1386698132, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Williams practice?
The practice location on file with NPPES is in Lima, OH. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Ronald Evilsizor Optometrist · Lima, OH NPI 1871649970 Steven Franz Optometrist · Lima, OH NPI 1669518411 Leonardi Group, Inc Eyewear Supplier · Lima, OH NPI 1568645786 Steven M. Franz, Od, Inc Optometrist · Lima, OH NPI 1730401183 Michael F Williams Od LLC Optometrist · Lima, OH NPI 1255630844 Omar Sweidan Optometrist · Lima, OH NPI 1285972646 Debra Bryant Optician · Lima, OH NPI 1366842841 Speelman Eye Care, LLC Optometrist · Lima, OH NPI 1053881219
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-21.