Patient Portal is a secure, convenience, and easy-to-use website that gives you round-the-clock access to your health information. View labs, medications, and immunization records. ... Krohn Clinic LTD 610 W. Adams Street Black River Falls, WI 54615. General Information: (715) 284-4311 Appointments: (715) 284-1900 Fax: (715) 284-0475..