Diablo Valley Pediatrics
Personalized Direct Care
Infants through Adolescence
Serving East Bay Families Since 1966

•Antioch  925-754-7070 • Brentwood  925-516-6888 • Concord  925-676-6500 • Meet the Providers

Ryan Tracy, M.D., F.A.A.D.
graduated from the University of Colorado Medical school. He completed his pediatric training at the University of Florida, Gainesville. His interests in pediatrics include Gastroenterology, Pulmonology, and Behavioral-psychiatric issues. Dr. Tracy Enjoys running, biking, and all outdoor activities.

Lucia Yang, M.D., F.A.A.P.
her pediatric training at the Robert Wood Johnson Medical School of New Jersey. She was in private practice in New Jersey. In addition to her MD Degree, she earned a Masters of Public Health in China and PhD in Laboratory Science at the University of Kansas. Her
husband is an internist, and she has a son and a daughter.


Sarit Shtivelman, M.D., F.A.A.P

graduated from New York University School of Medicine. She completed her residency training at Children’s Hospital Oakland. Dr. Shtivelman enjoys traveling, hiking and knitting.



Wesley Taft, M.D., F.A.A.P.
 relocated back to the Eastbay after serving 7 years in the Air Force.  He did his pediatric training at Lackland AFB in San Antonio Texas. Dr. Taft also has a Masters Degree in Public Health. He enjoys skiing, hiking, scuba diving and playing the piano & trombone.


Christine Mayor, MSN, APN, RN 

is a graduate of University of Pennsylvania. Christine practiced in Atlantic City, NJ for four years before moving back to California, where she welcomed her baby boy. She enjoys traveling, cooking, and arts & crafts.  



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