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Office of Health Assessment & Epidemiology
Epidemiology Unit



Contact Information
Epidemiology Unit
Office of Health Assessment and Epidemiology
Department of Public Health
County of Los Angeles

313 N. Figueroa Street, Suite 127
Los Angeles, CA 90012   MAP

Phone: (213) 240-7785
Fax: (213) 250-2594
Staff Directory
Aida Angelescu, MS

Alex Ho, MD, MPH

Douglas Morales, MPH

Jennifer Piron, MPH

Lisa Smith, DrPH, MS

Loren Lieb, MPH

Louise Rollin-Allamillo, MS

Natalia Sejbuk, MPH

Sun Lee, MPH

Heena Hameed, MPH

Geographic Information Systems (GIS) are used in public health to map and understand the distribution of health and disease in communities. The Epidemiology Unit coordinates GIS training and resources in the Department, including software licensing, access to geographic data sources, and training sessions.

The Epidemiology Unit generates various maps that are important for the practice of public health. Many of these maps can be found through the links below. However, if you have more specialized data needs, please contact us. A GIS service request form is available through the link below:

GIS Service Request Form

GIS in Los Angeles County Department of Public Health

The following are GIS resources provided by Los Angeles County Department of Public Health

  • Health Viewer -  Los Angeles County Department of Public Health online GIS application


Frequently requested maps:


GIS in Los Angeles County

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