Kudos to this RN way surpassing 50 years, now as a PACU nurse. In 2027, I'll celebrate my 50th year in nursing -- plan to keep going part time till then. Philadelphia Inquirer 12/1/2021 At 82, a nurse called Mercy sees no need to retire Quote Mercedes 'Mercy' Kallal, 82, of Washington Township, N.J., is a Registered Nurse and works full time at Jefferson Washington Township Hospital. She intends to keep working as long as she is mentally and physically able to care for her patients.