Need to send us a message? Please register for a patient portal account and use the portal to communicate with our staff regarding questions, refill requests, etc. Patient Portal Phone NumberOffice Number: 972-699-0000Fax Number: 972-699-0004 Address3005 East Renner Road, Suite 100Richardson, TX 75082 Office HoursMon-Fri – 8AM to 4PMSat & Sun – Closed