Health care Gregory Benson Hammer Posted by Who's Who Site Administrator on January 21, 2019 Most Recent Title: Anesthesiologist, Pediatrician, Educator Company: Calif. pacific Med. Ctr. Industry: Health Care Years in Industry: 37 Years affiliated with Marquis Who’s Who: 22 Contact Gregory Benson Hammer: Name(required) Email(required) Website Comment(required) Submit Δ Share this:TwitterFacebookLinkedInLike this:Like Loading...