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 selecting the form indicated by his office for your procedure.

The procedural prep forms will give you a detailed description of what you need to do during the 24-hour period before the procedure. Please use these forms as a guide, and contact Dr. Brown’s office at 972-867-0019 with any questions.

Preston Crossing Endoscopy Center
3500 Preston Road #200, Plano, TX 75093
Driving Directions


As a member of the Digestive Health Associates of Texas, Dr. Brown’s billing is handled by the central billing office.

If you have a billing related question, please call 214-689-5960.

Online Bill Pay:

To pay your bill online, note the Make Check Payable information on your bill (view sample) and click the corresponding button below… PAY DHAT or PAY PCEC. If you have any questions with paying your bill online, please call 214-689-5960.

Digestive Health Associates of Texas, PA

7610 Stemmons Freeway, Suite 600

Dallas, TX 75247-4251

Preston Crossing Endoscopy Center

7610 Stemmons Freeway, Suite 600

Dallas, TX 75247-4251

Our Prescription Policy

For prescription refills please contact your pharmacy and have them call our office at 972-867-0019 to refill your prescription.