Marshfield Clinic 2600 Stewart AvenueSuite 266Wausau, WI, 54401 View Phone 715-845-8841 Fax: 715-842-4641 Toll Free: 800-847-0016 2600 Stewart Avenue, Suite 266Wausau, WI 54401 View Website Experience & Reliability About Connect with this Business: Send to My Email Send to My Phone Print this Page