Doctor charged in Matthew Perry's ketamine overdose pleads guilty

Dr. Mark Chavez pleaded guilty to conspiring to distribute ketamine in connection to Matthew Perry's death.

The San Diego doctor entered his guilty plea in a Los Angeles federal courtroom Wednesday. Chavez is one of three helping authorities go after two others charged in Perry's ketamine overdose.

Chavez faces a maximum sentence of 10 years.

DOCTOR CHARGED IN MATTHEW PERRY'S KETAMINE OVERDOSE REMAINS FREE ON BOND, CANNOT PRACTICE MEDICINE

Dr. Mark Chavez and his criminal defense attorney Matthew Binninger arrive for a change of plea hearing on Oct. 2. (AP Photo/Damian Dovarganes)

Dr. Mark Chavez signed a plea agreement in August. (AP Photo/Damian Dovarganes)

U.S. Magistrate Judge Jean P. Rosenbluth previously ruled Chavez could remain free on bond with several restrictions, including turning over his passport and not working as a doctor during an Aug. 30 court hearing.

While speaking to reporters outside the courthouse, Dr. Mark Chavez’s attorney, Matthew Binninger, said Chavez "is incredibly remorseful for what happened. Not just because it happened to Matthew Perry, but because it happened to a patient. He is trying to do everything in his power to right the wrong that happened here."

Dr. Mark Chavez, a physician from San Diego, arrives at the Roybal Federal Courthouse in Los Angeles on Aug. 30. (Associated Press)

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Matthew Perry died in October 2023 from "acute effects of ketamine." (Gregg DeGuire)

Perry's death on Oct. 28 was caused by "acute effects of ketamine," according to his autopsy, which was completed on Oct. 29. Drowning, coronary artery disease and buprenorphine effects were listed as contributing factors.

Chavez agreed to plead guilty to one count of conspiracy to distribute ketamine as part of his plea agreement. The San Diego-based doctor admitted to selling ketamine to Dr. Salvador Plasencia, including ketamine that he had diverted from his former clinic.

Chavez previously ran a ketamine clinic and allegedly submitted a bogus prescription in the name of a former patient to secure the drug. Plasencia allegedly taught Perry's assistant how to inject the actor with the drug.

Matthew Perry gained fame as Chandler Bing on "Friends." (NBCU Photo Bank/NBCUniversal via Getty Images)

Perry had been looking to find an additional ketamine source in the month before his death after the doctor he had been using wouldn't give him more of the drug, according to court documents obtained by Fox News Digital.

Perry came across Plasencia, who reached out to Chavez for the ketamine. "I wonder how much this moron will pay," Plasencia texted Chavez, court documents showed. "Let's find out."

Jasveen Sangha, the "Ketamine Queen," rented a home in North Hollywood for the purpose of manufacturing, storing, and distributing controlled substances, according to the indictment. (United States Attorney's Office)

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Some of the ketamine lozenges Matthew Perry's assistant, Kenneth Iwamasa, obtained were from a fraudulent prescription written by Dr. Mark Chavez. (United States Attorney's Office)

Plasencia pleaded not guilty and is awaiting trial.

Three others were also charged in connection to Perry's death; the actor's assistant, Kenneth Iwamasa, the "Ketamine Queen" Jasveen Sangha and middleman Erik Fleming. Iwamasa and Fleming both accepted a plea deal while Sangha pleaded not guilty and will face a joint trial with Plasencia.

The "Ketamine Queen" was charged with one count of conspiracy to distribute ketamine along with one count of maintaining a drug-involved premises, one count of possession with intent to distribute methamphetamine, one count of possession with intent to distribute ketamine and five counts of distribution of ketamine.

The Associated Press contributed to this report.