Webfind information about and book an appointment with dr. Manish k gala, md in boston, ma, danvers, ma. Manish gala, md, is a gastroenterology specialist practicing in danvers, ma with 17 years of experience. This provider currently accepts 47 insurance plans including. Webthe following endoscopy services are provided at salem hospital and at the collaborative gastroenterology practice in the mass general brigham healthcare center (danvers). Webfind information about and book an appointment with dr. Ammar b nassri, md in danvers, ma, salem, ma. Screening, diagnostic and interventional colonoscopy. Upper and lower endoscopy with or without intervention. Michael thiim, md, is a gastroenterology specialist practicing in danvers, ma with 36 years of experience. This provider currently accepts 53 insurance plans including.