Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Clear Lake Optics Corp

Organization Optometrist · NPI 1679767339

Clear Lake Optics Corp is an Optometrist in Mason City, Iowa. Licensed in Iowa. Registered with an NPI since 2007.

Licensed in
IA
In the registry since
2007
What do these letters mean?
Corp — Corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

422 S Pierce Ave Ste 100A
Mason City, IA 50401-2709
Phone: (641) 424-0780
Fax: (641) 424-2345
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 02146 (IA)

Record details

NPI number1679767339
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mike Korthals — Owner · (641) 424-0780
Other names Michael L Korthals; Michael L Korthals
NPI enumeratedSeptember 5, 2007
Last updated in NPPESDecember 14, 2023
Certification dateDecember 14, 2023
Mailing address422 S Pierce Ave Ste 100a, Mason City, IA 50401-2709

Other providers in Mason City