Clarkson Optometry Illinois PC in Columbia, IL
This location of Clarkson Optometry Illinois bills under NPI 1508083502, an organization record issued on Apr 19, 2007 with the primary taxonomy Optometrist. It is one of 17 NPIs registered under this name; each clinician who sees you there has their own NPI and license.
- Legal name
- Clarkson Optometry Illinois PC
- Entity
- Type 2 · organization
- Primary taxonomy
- Optometrist 152W00000X
- Practice location
- 1025 COLUMBIA CTR, Columbia, IL 62236
- Phone
- 636-200-4393
- Mailing address
- Dallas, TX
- Enumerated
- Apr 19, 2007
- Record updated
- Jun 21, 2019
- Authorized official
- Cmo (title as filed)
2 clinicians CMS lists with Clarkson Optometry Illinois in Columbia
- Jason Diehl, ODOptometrist1003875147
- James Hollmann, ODOptometrist1578533410
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Every location registered under this name, in 16 cities.
See every locationChecking an organization
- Confirm the business with the Illinois secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Why is the mailing address in Texas?
The mailing address in the record (Dallas, TX) is where the organization receives mail. Care is given at the practice location in Columbia.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.