Susan Northwall Calusic, D.O., 63, of Lancaster passed away Tuesday, May 9, 2017 after a courageous battle with breast cancer. Born in Holdrege, NE on May 23, 1953, she was the daughter of John H. and the late Naomi R. (Ohrtman) Northwall. She graduated from St. Olaf College in Northfield, Minnesota in 1971 with a B.A. cum laude in Spanish. While in college she spent a summer working at a jungle hospital in Peru. She later received her D.O. degree from the University of Osteopathic Medicine and Surgery in Des Moines in 1979. She did a residency in Family Medicine at Lancaster General and also did medical mission work in several countries in the Caribbean. She was in family practice in Lancaster for many years and helped train many local physicians. She then went to Millersville University where she was Director of the student health service for 6 years before retiring in August of 2015. She was a member of St. Peter's Lutheran Church. She was a gentle soul and kind to all she met. Susan is survived by two daughters, Lisa M. Wochos, MD, wife of Gregory C. Wochos, PhD of Mequon, WI, and Carla S. Rizzardi, wife of Chad Rizzardi, DPM of Harrisburg. Also surviving is a granddaughter, Ava Marie Wochos; two brothers, Karl Northwall, MD, husband of Jean of Roanoke, VA, Luke Northwall, husband of Renee of Council Bluffs, IA, and a sister, Karen Alper wife Brian Alper, MD, of Ipswich, MA. She was preceded in death by a son, Paul Adam. Funeral Services will be held at 11AM on Saturday, May 13, 2017 at St. Peter's Lutheran Church, 10 Delp Rd., Lancaster, PA 17601. Interment to follow in St. Anthony Catholic Cemetery. Friends will be received from 7-9PM on Friday, May 12, 2017 at the church and again from 10-11AM at the church on Saturday. In lieu of flowers, contributions in Susan's memory may be made to Diana's Dreamers: Determined to Defeat Breast Cancer, which is part of the Millersville University Foundation. To send an online condolence, please visit SnyderFuneralHome.com