Clarkson Optometry Illinois PC in Alton, IL
This location of Clarkson Optometry Illinois bills under NPI 1326474198, an organization record issued on Sep 24, 2013 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
- 1819 HOMER ADAMS PARKWAY SUITE B, Alton, IL 62002
- Phone
- 636-200-4393
- Mailing address
- Dallas, TX
- Enumerated
- Sep 24, 2013
- Record updated
- Apr 26, 2022
- Authorized official
- Cmo (title as filed)
2 clinicians CMS lists with Clarkson Optometry Illinois in Alton
- Thomas Johnson, ODOptometrist1578695425
- Jonathan Klunk, ODOptometrist1306546916
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 Alton.
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.