Medical Service: Cash Discount in Oskaloosa, Mahaska CountyHome / Cash Discount > Sort By Practice NameZip/Post Code View: Grid 1View: Grid 2View: Grid 3View: Grid 4View: Grid 5View: List Dr. Amy L. Montgomery, DODr. Amy L. Montgomery, DO is a Internist in Oskaloosa, Iowa in good standing. Please leave a review of Dr. Amy L. Montgomery, DO if you have been a patient of Dr. Amy L. Montgomery, DO. Dr. Amy L. Montgomery,Type: PhysicianPhone: (641) 672-3100Leave a Google Review No Reviews