Kaiser Permanente
Kaiser Permanente is an integrated, nonprofit health system founded in 1945 and headquartered in Oakland, California. It combines Kaiser Foundation Health Plan, Kaiser Foundation Hospitals, and the physician-led Permanente Medical Groups to deliver care and coverage under one roof.
Today Kaiser serves roughly 12.5 million members across eight states and the District of Columbia: California, Colorado, Georgia, Hawaii, Maryland, Oregon, Virginia, Washington, and D.C. It operates about 40 hospitals and more than 600 medical offices.
Kaiser’s plans earn strong third-party marks, including NCQA accreditation and highly rated Medicare Advantage plans for 2025. Its hospitals are accredited by The Joint Commission, and the enterprise holds solid investment-grade credit ratings (AA- from Fitch).
Kaiser Permanente Affordable Care Act Plans
Kaiser Permanente provides ACA-compliant individual health care plans through the Affordable Care Act marketplaces in the regions where it operates, connecting members to its integrated network of hospitals and physicians.
Certifications and Independent Ratings for Kaiser Permanente
- Fitch (insurance IFS): Kaiser Foundation Health Plan AA- (Stable).
- S&P Global: Recent reports and trade coverage show AA- long-term ratings affirmed historically.
- NCQA: Kaiser Permanente health plans are NCQA-accredited; KP reports being rated highest or tied highest across regions in NCQA’s 2024 study.
- Medicare Star Ratings (2025): KP Medicare Advantage plans received overall 4.0–4.5 stars across regions.