Location - 204 MEDICAL DR, STE 240, SHERMAN, TX 75092 Specialty - Gastroenterology Schedule - Monday thru Friday - 8am - 500pm About Us Here & we promote the well-being of all individuals, families, and communities. And is the largest not-for-profit healthcare system in Texas that empowers you to live well. Our Core Values are: We serve faithfully by doing what's right with a joyful heart. We never settle by constantly striving for better.