★☆☆☆☆1.0(1)Dr. William Tanguay, MDInternistHaverhill, MA46 Years of ExperienceAccepting patients46 Years of ExperienceAccepting patients(888) 227-3762(888) 227-3762Ratings & ReviewsMost RecentHighest Rated07/06/2012Not a good doctorI got rid of Dr. Tanguay, because of his apathetical attitude. He does not care at all. Other people told me that he is not a good doctor. Thank God from Heaven that he is no longer my doctor.1