About DHS

The Los Angeles County Department of Health Services (DHS) is the second largest health system in the nation, providing compassionate, quality care to more than 10 million residents through its integrated system of award-winning hospitals and community-based clinics. DHS has an annual budget of more than $3.5 billion and employs 22,000 people who, together, are working to improve the health of Los Angeles County and all who live here.


Our mission is to ensure access to high-quality, patient-centered, cost-effective health care to Los Angeles County residents through direct services at DHS facilities and through collaboration with community and university partners.


Annual Reports

2012 - 2013

2011 - 2012

2010 - 2011


DHS is led by a talented and experienced executive team that is committed to sustaining a high performing health care system that is responsive to the needs of County residents.

Mitchell H. Katz
Mitchell H. Katz, M.D

Hal Yee

Hal Yee, M.D., Ph.D
Chief Medical Officer


Alexander Li
Alexander Li, M.D.
Chief Executive Officer
Ambulatory Care Network
Christina Ghaly
Christina Ghaly, M.D.
Director of Strategic Planning

Mark Ghaly
Mark Ghaly, M.D.
Director of Community Health & Integrated Programs

Anish Mahajan
Anish Mahajan, M.D.
Director of System Planning

Tangerine Brigham
Tangerine Brigham
Director, Office of Managed Care

Arun Patel
Arun Patel, M.D., JD, MBE
Director of Quality, Patient Safety, & Risk Management

Gerardo Pinedo
Gerardo Pinedo
Director, Government Relations & Policy/Facilities Management

Vivian C. Branchick
Vivian C. Branchick, RN, M.S.
Chief Nursing Officer & Director Office of Nursing Affairs

NA Male
Allan Wecker
Chief Financial Officer

Kevin Lynch Kevin Lynch
Chief Information Officer



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