PEEKSKILL, N.Y. – Lindsay Seekircher’s wish to provide medical support extends beyond her work as a physician assistant at Hudson Valley Hospital Center in Cortlandt Manor. Way beyond. Seekircher, a 30-year-old resident of Peekskill and a member of Fortress Bible Church in Tarrytown, has traveled twice to Peru and once to Tanzania and Belize. She returned in March from Belize, where she ...