Northern Pines Mental Health Center-Business Offic Share: Health Care Northern Pines Mental Health Center-Business Offic Visit Website 1906 5th Avenue SE Little Falls, MN 56345 (320) 632-6647 (800) 951-6648 (320) 632-9525 (fax) Map What's Nearby? Distance: 5 10 15 20 25 50 mi.