LEWISTON — St. Mary’s d’Youville Pavilion announces that Katherine Walker-Leighton, RN, has earned her certification in gerontological nursing from the American Nurses Credentialing Center. Gerontological nurses care for older adults, focusing on maximizing their functional abilities while promoting, maintaining or restoring their physical and mental health.

She earned her bachelor of science degree in nursing from the University of Southern Maine in 2008. She has been at St. Mary’s d’Youville Pavilion since 2009.