Dedicated to eliminating preventable harm and improving the quality of health care delivery in California hospitals.
CHPSO will lead California to provide the nation’s safest and highest quality hospital care.
CHPSO is one of the largest PSOs in the nation, and through its alliances with other PSOs has access to the experience of over 700 hospitals.
CHPSO provides member hospitals with a new federal, state, tribal and local legal privilege for work on patient safety and quality of care that protects communications:
CHPSO membership enables hospitals to comply with the new health care reform PSO provisions:
CHPSO accelerates hospitals’ work towards eliminating preventable harm:
CHPSO helps hospitals work effectively in new organizational arrangements:
CHPSO acts as a statewide source of patient safety information for all California Hospital Association (CHA) members.
CHPSO is a regionally-oriented, rather than national, PSO. This enhances hospitals’ ability to directly communicate with their local peers.
CHPSO is one of the first PSOs in the nation, and is seen by AHRQ as a source of expertise for other PSOs.
Executive Director: Rory Jaffe, MD MBA.
Doctor Jaffe has extensive experience in both clinical care and health system leadership. Prior to becoming Executive Director of CHPSO, he was Executive Director of Medical Services for the University of California system. In this role, he served as the senior physician in the system, which included oversight of quality of care at the five academic health systems and the ten student health centers. He also has served on a number of Federal and State advisory committees, and is currently the co-chair of the California Privacy and Security Advisory Board.
The CHPSO Board is comprised of prominent hospital industry and patient safety leaders. This Board is an actively engaged and enthusiastic group who share the CHPSO mission and vision.
James D. Barber, President/CEO, Hospital Association of Southern California, Los Angeles
Robin B. Brown, Jr., CEO, Scripps Green Hospital, La Jolla
Warren Browner, M.D., CEO, California Pacific Medical Center, San Francisco
C. Duane Dauner, President/CEO, California Hospital Association, Sacramento
Steven A. Escoboza, President/CEO, Hospital Association of San Diego & Imperial Counties, San Diego
Michael Hunn, Senior Vice President and Chief Executive, Providence Health & Services, California Region, Torrance
Kenneth Kizer, M.D., Director, Institute for Population Health Improvement, University of California Davis Health System, Sacramento
Mark R. Laret, CEO, University of California San Francisco Medical Center, San Francisco
Helen Macfie, PharmD, Senior Vice President, Performance Improvement, MemorialCare Medical Centers, Huntington Beach
Stephen Mayfield, Vice President, Performance Improvement, Hoag Memorial Hospital Presbyterian, Newport Beach
Steven J. Packer, M.D., President/CEO, Community Hospital of the Monterey Peninsula, Monterey
Nancy Pratt, R.N., Senior Vice President, Clinical Effectiveness, Sharp HealthCare, San Diego
Richard L. Rawson, Corporate Vice President, Adventist Health Central Valley Network, Hanford
Roger E. Seaver, President/CEO, Henry Mayo Newhall Memorial Hospital, Valencia
Arthur A. Sponseller, President/CEO, Hospital Council of Northern and Central California, Sacramento
Ronald C. Werft, President/CEO, Cottage Health System, Santa Barbara
The California Hospital Association, Hospital Council of Northern and Central California, Hospital Association of Southern California, and Hospital Association of San Diego and Imperial Counties are CHPSO’s partners.

CHPSO is a charter member of NAPSO™, a nationwide alliance of PSOs. Together we have over 750 participating health care facilities and are growing daily. Participation in the shared experience of this group can dramatically enhance our ability to understand and respond to patient safety challenges.
CHPSO has partnered with QA to QI consulting for peer review process benchmarking. CHPSO members can submit peer review process measures as Patient Safety Work Product to QA to QI Consulting for analysis and feedback at no charge.
CHPSO is a contributing organization to the Global Patient Safety Alerts system.
This web site is intended to be a useful resource for patient safety improvement. You can help us improve our service by answering a brief web survey at https://www.chpso.org/ls/index.php?sid=69327&lang=en.
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1215 K St Ste 800 • Sacramento, CA 95814 • info@chpso.org • 916-552-2600