Dr. Jeffrey Armstrong specializes in pediatric medicine in Orange area. Dr. Jeffrey Armstrong, MD has a medical practice at 455 South Main Street, Orange CA, and has over 30 years of experience in the field of medicine. He graduated from Medical University Of South Carolina College Of Medicine with his medical degree in 1987. Dr. Armstrong is accepting new patients at his medical office and practice location in Orange, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.