Kaiser Permanente Northern California was again recognized as having the highest-rated health plans in California and among the highest in the nation based on national assessments of overall patient experience and clinical quality.
Kaiser Permanente’s Medicare and commercial health plans in Northern California each received 5 out of 5 stars – the highest rating possible, according to the National Committee for Quality Assurance (NCQA) 2025 Health Plan Ratings. It is the 10th ratings period that Kaiser Permanente Northern California has received this designation.
The company operates 21 hospitals in Northern California.
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Nationally, only 11 health plans are rated 5 stars. NCQA also ranked Kaiser as best in the state for treatment outcomes and prevention efforts.
“These national ratings speak to the high-quality care Kaiser Permanente Northern California provides to its members and patients every day and our efforts to improve health care outcomes,” Mike Bowers, FACHE, interim president of Kaiser Permanente’s Northern California region, said in a press release. “Our focus on treatment, prevention, and an overall exceptional patient care experience is why our health plans are recognized as best in the state and among the top health plans nationally.”
For 2025, NCQA rated nearly 1,000 plans – commercial, Medicare, and Medicaid – for quality and service nationwide. All of Kaiser Permanente’s commercial and Medicare plans received the highest rating, or were tied for the highest rating, in all the geographic regions the company serves. Kaiser Permanente had more 5-star or 4.5-star plans than any other health care organization for the tenth ratings cycle in a row.
“Our highly-skilled clinicians are consistently delivering world-class, high-value care to our patients,” said Maria Ansari, MD, FACC, CEO and executive director of The Permanente Medical Group. “We continue to be recognized as a national leader because of our commitment to driving better health results through innovation, evidence-based treatments, and patient-centered care.”
NCQA is a national, private not-for-profit organization that surveys health plans for performance in a wide range of clinical service measures including consumer experience, prevention, population health, and treatment.
NCQA primarily used the 2024 Healthcare Effectiveness Data and Information Set, or HEDIS, to establish its ratings. HEDIS is the most widely used performance measurement tool in health care, Kaiser noted.
The 2025 ratings and methodology are posted on the NCQA’s website at https://reportcards.ncqa.org/health-plans
