Two doctors have been accused in this regard. matthew perryHis death is being investigated by the Medical Board of California, but his license has not been suspended … at least not yet.
Dr. Mark Chavez And Dr. Salvador Plasencia These are the two doctors accused of conspiring to illegally supply ketamine to the late “Friends” star.
The state’s medical board tells TMZ that … they are aware of the criminal allegations against Dr. Chavez and Dr. Plasencia and are investigating the matter.
Meanwhile, the board told us both doctors’ medical licenses remain valid … and no action has been taken against their licenses.

TMZ.com
As we’ve reported… Chavez has already Make a deal Appearing before prosecutors, he pleaded guilty to conspiring to distribute ketamine.
Dr. Chavez admitted to selling the drug to Dr. Plasencia, and prosecutors say he obtained ketamine by writing fraudulent prescriptions.

Prosecutors say Dr. Plasencia, the urgent care center’s physician, frequently gave Matthew large doses of ketamine … even at Perry’s home.
Dr. Plasencia is charged with conspiracy to distribute ketamine, distributing ketamine resulting in death, possession with intent to distribute methamphetamine, and altering and falsifying records related to the federal investigation. He has pleaded not guilty.