Location 608 Gateway Central, Suite 100 Marble Falls, TX 78654 Office Hours Monday through Friday, 8 a.m. — 5 p.m. Saturday and Sunday, closed Staff Meeting Times First Friday of each month, 12 p.m. - 1:30 p.m. . Phone (830) 693-2005 (512) 756-5256 (physician on call/answering service) Phone hours are from 8:00 a.m. to 4:30 p.m. Phones are forwarded to the answering service daily from 12 ....