63 Pa. Stat. § 422.37
Any licensed medical doctor in this Commonwealth who is also licensed to practice medicine and surgery in any other state, territory, possession or country and any other board-regulated practitioner who is licensed or certificated to practice shall report this information to the board on the biennial registration application. Any disciplinary action taken in such other jurisdiction shall be reported to the board on the biennial registration application or within 90 days of final disposition, whichever is sooner. Multiple licensure shall be noted by the board on the board-regulated practitioner's record, and such state, territory, possession or country shall be notified by the board of any disciplinary actions taken against said board-regulated practitioner in this Commonwealth.
63 P.S. § 422.37