Health care Hartzell Schaff Posted by Who's Who Site Administrator on April 9, 2019 Most Recent Title: Surgeon Company: Johns Hopkins Hosp. Industry: Health Care Years in Industry: 45 Years affiliated with Marquis Who’s Who: 14 Contact Hartzell Schaff: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...