 Paid for and authorized by Mary Mallory for District 5 Supervisor. Do you want to eliminate knee pain and potential surgery? Prescott Preferred Chiropractic can help you with our effective non-surgical option. You will know immediately if we can help you. Call 928-778-7996 or visit PrescottAZChiropractor.com. Call Prescott Preferred Chiropractic today. We're KQ&A.