If you need to request an extension for your referral or prior authorization, you can do so directly through our Patient Portal.
We’ve made it simple for you. Just log in and follow the steps below.
1) Log in to your Patient Portal account.
2) Go to Messages or Requests.
3) Choose Referral Extension or Medication Refill.
4) Follow the on-screen instructions and submit your request.
For guidance, we’ve included screenshots and instructions on the Patient Portal to show you exactly how to complete the process.

888 S Brea Canyon Rd Ste 330
Diamond Bar, CA 91789

Monday: 9AM-1PM & 2PM-6PM
Tuesday: 9AM-1PM & 2PM-6PM
Thursday: 9AM-1PM & 2PM-6PM
Friday: 9AM-1PM
Saturday: 9AM-1PM

5385 Walnut Ave., Ste 6,
Chino, CA 91710

Wednesday: 9AM-1PM & 2PM-6PM
Thursday: 9AM-1PM & 2PM-6PM