Hospitals in Ventura County, California

7 Medicare-certified hospitals serve Ventura County, averaging 3.2 out of 5 overall among rated providers. Below are provider profiles with CMS ratings, inspections, staffing, and ownership.

Browse: Hospitals in California · all care types in Ventura County · Cities: Simi Valley, Ventura, Ojai, Thousand Oaks, Oxnard

Hospitals profiles in Ventura County

Hospital · Voluntary non-profit - Private Adventist Health Simi Valley Simi Valley, CA 93065 CMS rating 2.0 / 5 Hospital · Proprietary Aurora Vista Del Mar Hospital Ventura, CA 93001 Not CMS-rated Hospital · Voluntary non-profit - Private Community Memorial Hospital - Ojai Ojai, CA 93023 Not CMS-rated Hospital · Voluntary non-profit - Private Community Memorial Hospital - Ventura Ventura, CA 93003 CMS rating 4.0 / 5 Hospital · Proprietary Los Robles Hospital & Medical Center Thousand Oaks, CA 91360 CMS rating 4.0 / 5 Hospital · Voluntary non-profit - Private St Johns Regional Medical Center Oxnard, CA 93030 CMS rating 4.0 / 5 Hospital · Government - Local Ventura County Medical Center Ventura, CA 93003 CMS rating 2.0 / 5

Cities in Ventura County

Simi Valley, CA 1 facilities Ventura, CA 3 facilities Ojai, CA 1 facilities Thousand Oaks, CA 1 facilities Oxnard, CA 1 facilities

Choosing a hospital in Ventura County

When comparing hospitals, review the CMS overall rating and the underlying measure groups, confirm that the services you need are offered, and check whether the hospital participates in your insurance network. Ratings are signals, not medical advice.

Start by comparing CMS Five-Star ratings, which summarize health inspections, staffing, and quality measures. A high overall rating is a useful signal, but read the underlying inspection findings and staffing figures too - they show what is behind the score.

Families in Ventura County should ask about Medicare and Medicaid participation, current openings, care planning, and how concerns are escalated after hours. In-person visits and direct questions remain the most reliable way to judge fit.

Frequently asked questions

How many hospitals are in Ventura County?

The current CMS data lists 7 Medicare-certified hospitals in Ventura County, California, with an average overall CMS rating of 3.2 out of 5 among rated providers.

Which cities in Ventura County have hospitals?

Simi Valley, Ventura, Ojai, Thousand Oaks, Oxnard have Medicare-certified hospitals in the current data.

Data sources

Source: CMS Provider Data Catalog. Data processing date: 2026-10-06.

Important disclosures

Informational only, not medical advice. This directory publishes public data and general information. It does not provide medical advice, diagnosis, or treatment recommendations, and it is not a substitute for consulting a qualified health care professional or Medicare.

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Verify before you act. Facility information is derived from public federal datasets and may lag or contain errors. Always confirm current ratings, services, availability, and coverage directly with the provider and at Medicare.gov.

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