St. John Vianney Catholic Church is located in Fishers, Indiana and within the Diocese of Lafayette-in-Indiana. 15176 Blessed Mother Blvd., Fishers, IN 46037. Parish Office: 317-485-0150. Parish Office Hours: Mon.-Fri. 8am-5pm. Weekend Mass Schedule: Saturday: 4:30pm; Sunday: 8:00am and 10:30am