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10 datasets

Ambulatory Surgery - Diagnosis and External Cause Codes

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: .XLSX, XLSX, ZIP

This dataset contains statewide counts for every diagnosis, procedure, and external cause of injury/morbidity code reported on the ambulatory surgery ...

Primary Care Clinic Annual Utilization Data

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: ASPX, DOCX, PDF, XLSX, HTML, ZIP

The complete data set of annual utilization data reported by primary care clinics contains basic clinic identification information including community...

Pre-2012 Primary Care Clinic Utilization Data

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: HTML, PDF, XLSX, XLSM, XLS, ZIP

The complete data set of annual utilization data reported by primary care clinics contains basic clinic identification information including community...

Ambulatory Surgery - Characteristics by Facility (Pivot Profile)

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: .XLSX, XLSX, ZIP

This dataset contains annual Excel pivot tables that display summaries of the patients treated in each hospital-based and freestanding Ambulatory Surg...

Case Mix Index

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: XLSX, DOCX, PDF, ZIP

The Case Mix Index (CMI) is the average relative DRG weight of a hospital’s inpatient discharges, calculated by summing the Medicare Severity-Diagnosi...

STDs in California by Disease, County, Year, and Sex

Published by: California Department of Public Health
Last updated: Sunday, April 5, 2026
File types: CSV, ZIP

These data contain case counts and rates for sexually transmitted diseases (chlamydia, gonorrhea, and early syphilis which includes primary, secondary...

Patients Leaving California Hospitals Against Medical Advice (AMA)

Published by: Department of Health Care Access and Information
Last updated: Sunday, April 5, 2026
File types: ZIP, CSV, PDF

These datasets focus on patients leaving California hospitals against medical advice (AMA), which is defined as choosing to leave the hospital before ...

Vaccine Preventable Disease Cases by County and Year

Published by: California Department of Public Health
Last updated: Sunday, April 5, 2026
File types: CSV, ZIP

These data contain counts of vaccine preventable disease cases among California residents by county, disease, and year. The California Department o...

CalEnviroScreen 3.0 Results

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: PDF, CSV, SHP

CalEnviroScreen is a mapping tool that helps identify California communities that are most affected by many sources of pollution, and where people are...

CalEnviroScreen 2.0

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: CSV, XLSX, PDF

The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), developed Californ...