580-795-5506 - Dr. Gordon 580-795-5145 Fax. TexomaCare-Van Alstyne 954 W. Van Alstyne Parkway Van Alstyne, TX 75495. 903-416-3790 - Dr. Houston 903-712-3790 Fax. Saturday Sick Clinic. 8 am - 11:30 am *Established patients only.