Dr. Thomas McMahon, MD is a gastroenterology doctor who practices in Portsmouth, RI. He is 63 years old and has been practicing for 37 years. Dr. McMahon is affiliated with Rhode Island Hospital, Miriam Hospital and Newport Hospital.
Learn about this doctor
Dr. McMahon's Experience
For the best healthcare for your needs, choose a doctor who specializes in your medical condition.
Check to see that this provider treats your medical condition.
Check to see that this provider performs the procedure that you need.
Check to see if your provider has any malpractices, board actions, or sanctions.
Learn more about where this provider went to medical school, residency, and more.
Check to see what languages this provider and/or staff speak.
Memberships & Professional Affiliations
View memberships and affiliations associated with this provider.
Overall Patient Satisfaction
Likelihood of recommending Dr. McMahon to family and friends is 3.9 out of 5