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Ralph Diaz, MD

Dr. Diaz attended medical school at Texas Tech, Lubbock and subsequently completed his residency training in Pediatrics at the University of California, San Francisco – Central California Children’s Hospital here in Fresno.


Upon completion of training he worked at Central California Children’s Hospital (Valley Children’s) as a hospitalist and later, he became Children’s Hospital Medical Group’s medical director, dealing with quality issues, and patient safety. He mediated between doctors for the 80-person multi-specialty group while maintaining a dual workload as hospitalist and administrator. He continues to maintain faculty appointment at the UCSF- Pediatrics division and has always had an interest and acumen in allergy, asthma and sinus disorders.