Physician Salvador Plasencia, who was charged in the death of Matthew Perry, will plead guilty to distributing ketamine to the "Friends" actor.

Dr. Salvador Plasencia, who is charged with giving Matthew Perry ketamine in the months leading up to the Friends star's overdose death, has agreed to plead guilty to four counts of distribution of ketamine,

Charging longtime addict Perry premium prices for the ketamine, L.A.-based Plasencia and Dr. Mark Chavez of San Diego clearly felt they had lucked into a gold mine with the actor and his desire for the drug. “I wonder how much this moron will pay,” Plasencia ruthlessly texted Chavez at one point during their dealings with Perry.