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Message From The Chair

Donna Ferriero, MD, MS

Donna Ferriero, MD, MS

For more than 100 years, our department has distinguished itself in educating the next generation of physicians, delivering excellent clinical care to young patients, and constantly improving treatment options through biomedical research.

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William Bernal, MD, MPH

Assistant Clinical Professor of Pediatrics

Contact Info

Box 0632

550 16th Street, 5th floor

San Francisco, CA 94143

Phone: (415) 502-2604



  • Vanderbilt University, B.A. 1994-1998, English
  • University of South Florida College of Public Health, M.P.H. 1998-2000, Tropical & Communicable Disease
  • Northwestern University Feinberg School of Medicine, M.D. 2000-2004, Medicine
  • Children's Hospital Los Angeles, Resident 2004-2007, Pediatrics
  • The Children's Hospital of Philadelphia, Fellow 2007-2010, Pediatric Rheumatology

Board Certification

  • 2007  American Board of Pediatrics - General Pediatrics
  • 2011  American Board of Pediatrics - Pediatric Rheumatology

Clinical Expertise

  • Pediatric rheumatology
  • Pain amplification syndromes in children
  • Juvenile fibromyalgia
  • Complex regional pain syndrome
  • Amplified musculoskeletal pain syndrome

Research Interests

  • Pain amplification syndromes in children

UCSF Program Affiliations

  • Integrated Pain and Palliative Care Program


William Bernal, MD, MPH, is a board certified pediatric rheumatologist who joined the faculty at UCSF in 2013. Previously, he was an attending physician in pediatric rheumatology at The Children’s Hospital of Philadelphia (CHOP), where he had completed his fellowship. At CHOP, Dr. Bernal worked in the Center for Amplified Musculoskeletal Pain Syndrome at CHOP for two years. There, he was a member of a multidisciplinary team that treats pediatric patients with pain amplification syndromes, such as amplified musculoskeletal pain syndrome, juvenile fibromyalgia and complex regional pain syndrome. Dr. Bernal is continuing this work at UCSF as part of the Integrative Pediatric Pain and Palliative Care Program (IP3), where he and other providers see pediatric patients with chronic pain.

Current Research

Dr. Bernal’s research focuses on treatment and outcomes of pain amplification syndromes in children.

Recent Publications (PubMed)

Last updated 06-26-2015