California Physician's Request to Continue Medication — Attachment is a form used in the state of California to allow a physician to request the continuation of a patient’s medication. It is typically used when the patient’s prescription is about to expire and the physician wants to extend the prescription period. The form is typically filled out by a physician and submitted to the patient’s health insurance provider. It includes the patient's information, physician's information, medication name and dosage, and the patient's diagnosis. There are two types of California Physician's Request to Continue Medication — Attachment: Form A and Form B. Form A is used when the patient is insured through an HMO, while Form B is used when the patient is insured through a non-HMO provider.