# Michael J. Portz, O.D., P.C.

Business profile: public business information with links to supporting state records. Data as of October 16, 2026.

- Legal business name: Michael J. Portz, O.D., P.C.
- Entity type: Professional corporation
- Original incorporation date: June 8, 1979
- Time in business: 47 years and 4 months
- Jurisdiction count: 1

## All known addresses

- 1801 218th St, Red Oak, IA 51566 (listed in Iowa)

## Registered states

- [Iowa](https://index.baselayer.com/ia/802d2361a7a1c53a): Domestic registration

Source: public state registration records. Missing values are not a negative finding.

Cite as: Baselayer Business Index (https://index.baselayer.com/business/802d2361a7a1c53a)