Health Equity Partnership of North Central Mass Inc (CHNA9) COMMUNITY & CIVIC ORGANIZATIONS Health Equity Partnership of North Central Mass Inc (CHNA9) Visit Website PO Box 307 Westminster, MA 01473-1016 (774) 696-4832 Facebook About Map About CHNA9 is a coalition that brings together diverse voices across the 27 cities and towns of North Central Mass to promote health equity. What's Nearby? Distance: 5 10 15 20 25 50 mi.