Jimenez Medical Group, Inc. Welcome to our new patient portal! If you have an urgent matter, please call our office directly at (714) 565-1077 to speak to a staff member during business hours. ... 801 N Tustin Ave Ste 601 Santa Ana, CA 92705 United States of America Phone (714) 565-1077. Fax (714) 565-1086. Hours. mon: 9:00 AM - 5:00 PM;.