Meet Our Staff

Our practice offers quality medical services to our patients, including an exceptional, highly educated staff who cares for our patients on a personal and professional level. Nurses are available during business hours for any medical advice you may seek over the phone.

Dr. Michael Yamaguchi
MD

Dr. Michael Yamaguchi received his M.D. from the University of Cincinnati College of Medicine. He completed his pediatric training at Tod Children's Hospital in Youngstown, Ohio. Before medicine, he was a vice president at Salomon Brothers investment bank.

Dr. Ann Troy
MD

Dr. Ann Troy is a graduate of Mount Holyoke College, Harvard University, and the University of Rochester Medical School. She did her pediatric internship at Dartmouth, and her residency at U.C. Davis. She speaks Spanish and French, and loves traveling, meeting new people, art, good food, reading, swimming, and nature.

Mary Araj
PNP

Mary Araj received her Bachelors of Science from UC Davis and her Masters of Science, as well as her Pediatric Nurse Practitioner certification from Yale University. She was born and raised in the Bay Area, and is thrilled to return to practice here. She loves to hike, run, cook, paint and spend time with her friends and family. ​