Location Gastroenterology Associates of Western Colorado: Masi Khaja, MD Office HoursMondayTuesdayWednesdayThursdayFridaySaturdaySunday 8:00 am – 5:00 pm8:00 am – 5:00 pm8:00 am – 5:00 pm8:00 am – 5:00 pm8:00 am – 5:00 pmClosedClosed Contact Location