Dr. Al J Quintana specializes in physician assistant in Colton area. Dr. Al J Quintana has a medical practice at 900 East Washington Street, Suite 200, Colton CA, and has over 9 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 2008. Dr. Quintana is accepting new patients at his medical office and practice location in Colton, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.