Brazos Valley Endodontic Associates Share: Dentist - Endodontist Brazos Valley Endodontic Associates 2901 E 29th Street Suite 117 Bryan, TX 77802 (979) 776-6152 (979) 774-9962 (fax) Hours: 7:00 am - 5:00 pm Monday-Thursday About Rep Info Map About Dr. Stephen Calkins and Dr. Sally Hays are endodontists, dentists who specialize in root canals. We are happy to be serving the Brazos Valley! Whom to Contact Sally Hays, DDS, PLLC Directions Across from St. Joseph's hospital