Gainesville Obstetrics and Gynecology. 1925 North Grand Ave. Gainesville , TX 76240. Phone: 940-202-0573. Office Hours. Monday 8:00 am - 5:00 pm Tuesday 8:00 am - 5:00 pm Wednesday 8:00 am - 5:00 pm Thursday 8:00 am - 5:00 pm Friday 8:00 am - 12:00 pm Saturday Closed Sunday Closed. Get in touch..