Mark Heintzelman February 28, 1953 - January 14, 2021 Belleville, Pennsylvania - Mark D. Heintzelman, 67, of Belleville, formerly of Centre Hall, passed away Thursday, January 14, 2021.Family and friends will be received on Thursday, March 4, 2021, from 6:00 p.m.-8:00 p.m. at the Big Valley BIC Church, 81 Wagner St., Belleville, PA; Friday, March 5, 2021, from 6:00 p.m.-8:00 p.m. at the Mark D. Heintzelman Funeral Home, 1034 Benner Pike, State College, PA; and Saturday, March 6, 2021, from 9:00 a.m.-11:00 a.m. at the Calvary Bible Church, 600 N. Pennsylvania Ave., Centre Hall, PA. The memorial service will immediately follow. Keeping with CDC guidelines, those attending the visitation and memorial service are asked to wear masks and observe social distancing. An online guestbook may be signed and condolences sent to the family at www.heintzelmanfuneralhome.com