The Massachusetts Association of Ambulatory Surgery Centers (MAASC) is the only Commonwealth of Massachusetts organization devoted solely to promoting the interests of freestanding ambulatory surgical centers located across the state. Member facilities provide care to 300,000 patients annually. MAASC’s goal is to support the development and operation of freestanding surgicenters (ASCs) as cost-effective, high quality providers of ambulatory services in the state.

All our MAASC centers are certified by Medicare and are either AAAHC or JCAHO certified.

Patients cared for by MAASC members annually

MAASC Board of Directors

Gregory P. DeConciliis, PA-C, CASC
Administrator, Boston Outpatient Surgical Suites (BOSS)
840 Winter Street
Waltham, MA 02451

Ellen Rostron, MBA,CPC, CASCC, CASC, Business Administrator
Orthopedic Surgical Center of the North Shore, LLC
One Orthopedics Drive |  Peabody, MA 01960

Vice President
Jessica M. McDermott, Center Director
Boston Endoscopy Center
175 Worcester Street
Wellesley Hills, MA 02481

Norma L. Bacon, Administrator
New England Surgery Center
900 Cummings Center, Suite 122U
Beverly, MA  01915