The United States Attorney's Office for the Middle District of Pennsylvania announced that the United States has filed a civil lawsuit against Dr. Peter J. Haddick, III, a family medicine practitioner, alleging that he issued medically unnecessary prescriptions for Subsys, a fentanyl~based spray manufactured by Insys Therapeutics, Inc., and used to treat breakthrough cancer pain. Dr. Haddick saw patients at his practice, Penn Medical Group, P.C., which operated in Lehighton, Pennsylvania. Penn Medical Group ceased operations in September of 2019.