General Inquiries/Directory: 781-518-9050 Patient Portal Pay a Bill


Digestive Health Associates offers 3 convenient office locations for patients seeking gastroenterology care. Our offices are open five days a week and are staffed with experienced practice coordinators who can assist both patients and referring providers. In addition to the team of 7 Gastroenterologists we also have a Nurse Practitioner and a Physicians Assistant who provide patient care both in the office and hospital settings.

91 Montvale Ave, Suite 206, Stoneham, MA 02180

Dr. Chipty
Phone: 781.404.4178
Fax: 781.438.3751

Dr. Muggia 
Phone: 781.391.5525
Fax: 781.438.3715

Dr. Aaron
Phone: 781.391.8015
Fax: 781.835.2192


955 Main St, Suite 206, Winchester, MA 01890

Dr. Vanneman
Russell Hill Building
Phone: 781.729.5855
Fax: 781.721.5891

Dr. Libby
Russell Hill Building
Phone: 781.729.5855
Fax: 781.721.5891

3 Woodland Rd, Suite 306, Stoneham, MA 02180

Dr. Marcal
Phone: 781.665.3380
Fax: 781.665.8288

Dr. Fefferman
Phone: 781.665.3380
Fax: 781.665.8288

Endoscopy Centers:

DHA Endoscopy Center
91 Montvale Ave, Suite 103, Stoneham, MA 02180
Phone: 781.835.2111

Winchester Hospital Endoscopy Center
10P Commerce Way, Woburn, MA 01801
Phone: 781.756.7670

Winchester Hospital ACU (Ambulatory Care Unit)
41 Highland Ave, Winchester, MA 01890
Phone: 781.729.9000