Northwest-Specialty-Hospital Share: Health Care Northwest-Specialty-Hospital Visit Website 1593 East Polston Avenue Post Falls, Idaho 83854 (208) 251-6114 About Map About We are a physician owned and operated healthcare organization committed to providing the highest quality health care to all in a caring, compassionate and professional environment. With a growing numb What's Nearby? Distance: 5 10 15 20 25 50 mi.