Health care John Mannick Posted by Who's Who Site Administrator on August 19, 2019 Most Recent Title: Surgeon Company: Mass. Gen. Hosp. Industry: Health Care Years in Industry: 66 Years affiliated with Marquis Who’s Who: 33 Contact John Mannick: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...