Office Hours

Office Hours:  Monday – Friday: 8:00 AM – 12:00 PM and 1:30 PM – 5 PM

After Hours: Please call our answering service at (925) 930-3078, and either Dr. De Monteiro,  or the physician on call can help you.  Please call us before you go to the emergency room so that we can properly direct your care.  Should you have a medical emergency, please call 911.

Urgent Care:  During after hours, weekends, or holidays, should you require urgent care attention, please call John Muir Urgent Care at (925) 674-2500.  Its hours are Monday-Friday 9AM-9PM, Sat-Sun 9AM-5PM, Holidays 9AM-3PM.