Mifflin Lewistown Health Centers Mifflin Lewistown Community Health Center 106 Derry Heights Blvd. Yeagertown, PA 17099 1-717-447-0340 Mifflin Lewistown Dental Center 106 Derry Heights Blvd. Yeagertown, PA 17099 1-717-248-9900 Not sure what location is closest to you? Let us help you find your way! Find a location