**Q: Who is the doctor involved in the case related to Matthew Perry's death?**
A: The doctor is a San Diego physician charged in connection with the investigation of Matthew Perry's overdose death.
**Q: What is the doctor expected to do in court?**
A: The doctor is expected to plead guilty in a federal court in Los Angeles.
**Q: What is the nature of the charges against the doctor?**
A: The charges are related to the investigation of Matthew Perry's overdose death.
**Q: Where is the court proceeding taking place?**
A: The court proceeding is taking place in federal court in Los Angeles.
**Q: What is the significance of Matthew Perry's death in this case?**
A: Matthew Perry's death has prompted an investigation that led to the charges against the doctor, highlighting issues related to prescription practices and overdose cases.