How Many Optometrists Are There in Ohio?

The figure below counts providers who list the OD (Doctor of Optometry) credential in the national NPI registry.

How this is counted: Counts NPI records listing the OD credential. Records are attributed to Ohio by NPPES practice-location state.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Counts reflect NPI records and are not an official workforce census.