Welcome Dr. Susan Slycord to Hall-Perrine Cancer Center HALL-PERRINE CANCER CENTER MERCY NOW ACCEPTING NEW PATIENTS. CEDAR RAPIDS For scheduling, call (319) 363-8303. hallperrinecancercenter.org Welcome Dr. Susan Slycord to Hall-Perrine Cancer Center HALL-PERRINE CANCER CENTER MERCY NOW ACCEPTING NEW PATIENTS. CEDAR RAPIDS For scheduling, call (319) 363-8303. hallperrinecancercenter.org