Patient Portal

We have a new patient portal, and you can log into the patient portal by clicking on the SIGN IN button. If you have never logged into the Patient Portal, please call our office at 972-867-0019, and we will send you an email with credentials and instructions on how to use the portal.

After logging into the Patient Portal, please select the location “TDDC-Plano-Preston Rd-Suite 200”. This will ensure any messages are correctly routed to our office. Thank you!

Insurance Information

Our staff is happy to offer professional assistance in filing your insurance. Dr. Brown participates with most major insurance plans including Aetna, Blue Cross, United Healthcare, CIGNA, Medicare as well as many other preferred provider insurance plans.

Your insurance coverage is an agreement between you and your insurance company. Some procedures require pre-authorization. Please check with your insurance company to see if you will need to acquire a pre-certification for your procedure.

Have an insurance question? Please call us at 972-867-0019, and we would be happy to help!

What You’ll Need for Your Office Visit

We want to make your office visit a hassle-free and pleasant experience. For new patients, before you visit please complete the New Patient Registration form and print it out for your office visit with Dr. Brown. This will simplify the check-in process. Also, please make sure to bring the following information:

  • Insurance card
  • Driver’s license
  • List of current medications

Plan to arrive 15 minutes prior to your appointment and have a means of covering your financial portion as determined by your insurance plan. If you will be paying by credit card, we accept Visa, MasterCard, AMEX and Discover.

Download Patient Forms

New Patient Registration Form

Existing Patient Update Form


In preparation for procedures at the Preston Crossing Endoscopy Center, Dr. Brown has created prep forms in PDF format that can be downloaded or printed by select