Highmark Blue Shield CVBA is a partnership between the Chambersburg and Greencastle-Antrim chambers of commerce. Categories Health Insurance 1800 Center Street Camp Hill PA 17089 (717) 302-3594 (717) 302-2991 Send Email www.highmark.com About Us Highmark Blue Shield serves 49 counties in Pennsylvania as a full service health plan. Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×