Call (844) 987-6115 and press 2 to speak with a representative. Our call center is open Monday - Friday, 7:00 am - 6:00 pm. For appointments at Memorial Hospital Los Banos, call (209) 710-6333, or at Sutter Lakeside Medical Practice, call (707) 262-5088. Call (844) 987-6115. Check My Turn for More Availability..