Dr. Syed A Hasan specializes in internal medicine in Lancaster area. Dr. Syed A Hasan, MD has a medical practice at 44835 Date Avenue, Lancaster CA, and has over 25 years of experience in the field of medicine. He graduated from his medical school with his medical degree in 1992. Dr. Hasan is accepting new patients at his medical office and practice location in Lancaster, California. He is available for appointments, preventative care, medical care as well as ongoing patient care.