Marin Medical Practice Concepts, Inc. (MMPC), a third-party EMR provider for Curtis F. Robinson, M.D. Inc., experienced a ransomware attack on July 26, 2016. Patient consultation notes from July 11-26, 2016, were lost due to a backup failure during restoration. No evidence of patient data viewing or transfer was found. MMPC notified law enforcement and secured its network. Curtis F. Robinson, M.D. Inc. issued breach notifications to affected patients on September 14, 2016.