Contact Us

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Mason City Location

Dr. Korthals and Associates

422 South Pierce
Mason City, IA, 50401

Phone: 641-424-0780

Fax: 641-424-2345

E-mail: 

 

Lake Mills Location

Dr. Korthals and Associates

213 W. Main
Lake Mills, IA 50450
Phone: 641-592-1801

Fax: 641-424-2345

E-mail: 

 

 

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Suite 111
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