Dr. Robert Samaan M.D. is a male health care provider in Fairfield with Internal Medicine listed as his primary medical specialization. His credentials are: M.D. (Doctor of Medicine).His hospital privileges include: Mercy Health - West Hospital, Mercy Hospital Fairfield. Dr. Robert Samaan M.D.'s practice location is: 3050 Mack Rd (suite 305) Fairfield, OH 45014-5379..