Dr. Mary B Leonard specializes in nephrology in Palo Alto area. Dr. Mary B Leonard, MD has a medical practice at 725 Welch Road, Palo Alto CA, and has over 28 years of experience in the field of medicine. She graduated from Stanford University School Of Medicine with her medical degree in 1989. She is affiliated with numerous hospitals, including Lucile Salter Packard Children's Hsp At Stanford (CA) and more. Dr. Leonard is accepting new patients at her medical office and practice location in Palo Alto, California. She is available for appointments, preventative care, medical care as well as ongoing patient care.