Dr. Mary A Mccoy specializes in internal medicine in Lancaster area. Dr. Mary A Mccoy, MD has a medical practice at 44725 10th Street West, Ste 260, Lancaster CA, and has over 33 years of experience in the field of medicine. She graduated from Tulane University School Of Medicine with her medical degree in 1984. She is affiliated with numerous hospitals, including Antelope Valley Hospital (CA) and more. Dr. Mccoy is accepting new patients at her medical office and practice location in Lancaster, California. She is available for appointments, preventative care, medical care as well as ongoing patient care.