842 Altos Oaks Drive
Los Altos, California
94024-5403
P: (650) 941-0550
F: (650) 941-6751

Penny Loeb, M.D.
Donna Chaet, M.D.
Mary Ann Zetes, M.D.
Debra Babcock, M.D.
Amy Oro, M.D.

Mary Ann Zetes, MD

Dr. Mary Ann Zetes has been with Altos Pediatrics since 1987. She received her Bachelor of Arts in psychology at Dartmouth College and her MD degree from Dartmouth Medical School. Her pediatric internship and residency were at Duke University Medical Center. Before moving to California, Dr. Zetes practiced in North Carolina at Chapel Hill Pediatrics, where she was also an Associate Professor of Pediatrics at University of North Carolina and Duke University Medical Center. Dr. Zetes has served as Chief of the Department of Pediatrics at El Camino Hospital where she currently maintains admitting privileges. She is a fellow of the American Academy of Pediatrics, serving as the Santa Clara County Representative from 1996-1998. She is a member of the Santa Clara County Medical Association and Board Certified in Pediatrics.

Dr. Zetes and her husband, Dr. Peter Mazonson, have three children. She enjoys skiing, hiking, cooking, and reading in her spare time.