
Kaiser Permanente is a comprehensive health care delivery system and the largest insurer in California by enrolment, covering over 6.1 million Californians. Kaiser is unique in that the doctors, hospitals, and insurance company are all part of the same entity, sharing the common goal of keeping patients healthy. This integrated system consists of three separate but related entities: a health plan bearing insurance risk, medical groups of physicians, and a hospital system. Kaiser offers group health insurance plans with rates lower than other HMO plans, providing rich benefits at extremely low prices.
| Characteristics | Values |
|---|---|
| Type of entity | Nonprofit integrated health care system |
| Number of members | Over 9.6 million (nationwide) |
| Number of Californians covered | Over 6.1 million |
| Entities | Health plan, medical groups of physicians, and a hospital system |
| Financial incentive | Provide high-quality, affordable care and manage population health |
| Rates | Lower than other HMO plans |
| Benefits | Identical whether you work with a broker/agent or enroll directly with the insurance company |
| Plans | Traditional HMO plans (Gold and Platinum level plans with no deductible), small group Silver and Bronze level plans, and some Gold plans with deductibles |
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What You'll Learn
- Kaiser Permanente is California's largest insurer by enrolment, covering over 6.1 million people
- Doctors, hospitals, and insurance companies are all part of the same entity
- Kaiser offers rich benefit plans at extremely low rates
- Kaiser's Traditional HMO plans are standard Gold and Platinum level plans with no deductible
- Kaiser is the nation's largest non-profit integrated healthcare system

Kaiser Permanente is California's largest insurer by enrolment, covering over 6.1 million people
Kaiser Permanente is a managed care consortium that offers health insurance plans and operates in California and eight other US states, as well as the District of Columbia. As of 2025, Kaiser Permanente is California's largest insurer by enrolment, covering over 6.1 million people. This figure represents the number of Californians who are enrolled in Kaiser Permanente's health insurance plans.
Kaiser Permanente is unique among California insurance companies in that it combines doctors, hospitals, and the insurance company into a single entity. This integrated structure allows for the sharing of medical information through a multi-billion-dollar electronic medical record system, facilitating collaboration among healthcare providers and eliminating the need for duplicate tests. The organisation's focus is on providing a “comprehensive health care delivery system”, offering rich benefit plans at low rates.
Kaiser Permanente offers a range of health insurance plans, including individual, small business, and large group plans. They also provide vision and dental care coverage in Northern California. Small business health insurance plans are available to employers with at least one non-owner, W-2 employee working a minimum of 30 hours per week on average. Kaiser Permanente's HSA-compatible plans allow members to contribute to an HSA account and withdraw funds for qualified medical expenses without penalty.
Kaiser Permanente's integrated care model has gained recognition, with the Brookings Institution describing it as "a Model for Integrated Care for the Ill and Injured". The organisation consists of three separate but related entities: a health plan bearing insurance risk, medical groups of physicians, and a hospital system. Kaiser Permanente's financial incentive is to provide high-quality, affordable care and manage population health rather than maximising revenue through compensable services.
Kaiser Permanente's operations extend beyond insurance, as it also includes the Kaiser Foundation Health Plan and Kaiser Foundation Hospitals. These entities reported an operating income of $329 million on $100.8 billion in operating revenues as of December 31, 2023. Kaiser has faced criticism for the size of its cash reserves, which have significantly exceeded the minimum required by state regulations in California and Colorado.
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Doctors, hospitals, and insurance companies are all part of the same entity
In the US, insurance companies do not typically own and operate their own hospitals, but there are some exceptions. For example, Kaiser Permanente in California owns and operates its own hospitals and medical networks. In Pennsylvania, Highmark and UPMC also own and operate multiple hospitals.
There are advantages to hospitals becoming insurers. For instance, they can take premium dollars and invest them in ways that make sense for their organisation, rather than relying on insurers for payment per claim. Hospitals can also eliminate the redundancy between payers and providers, allowing them to develop their own health plans. Additionally, as both insurer and provider, hospitals can better manage population health. For example, they can proactively provide care for diabetic patients, avoiding costly emergency visits.
However, becoming an insurer is not a decision to be taken lightly. It is a dramatic shift, requiring hospitals to manage reimbursements and pay insurance claims. It is a complicated business with a lot of moving parts, and it may not be a suitable model for every hospital system.
Across Europe, there has been a general trend towards more autonomous healthcare providers. This has been achieved through changing the ownership, governance, and accountability arrangements of existing publicly-owned providers or by encouraging new entrants to the market. However, the impact of increased competition on healthcare efficiency and quality is debated. While some argue that market sector management techniques can improve public sector healthcare, others worry about pursuing objectives that do not serve the public interest.
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Kaiser offers rich benefit plans at extremely low rates
Kaiser Permanente is California's largest insurer by enrollment, covering over 6.1 million Californians. It is also the nation's largest nonprofit integrated health care system, with over 9.6 million members across the country. Kaiser Permanente is unique in that it combines doctors, hospitals, and an insurance company into one entity. This integration creates a unified incentive structure focused on keeping patients healthy, streamlining medical records, and eliminating duplicate tests.
Kaiser's Traditional HMO plans, including the standard Gold and Platinum level plans, offer access to doctors and hospitals within the Kaiser network without any deductibles. Meanwhile, their small group Silver and Bronze level plans, along with some Gold plans, feature deductibles for specific services, such as in-hospital care.
Kaiser's group health insurance plans are a popular choice for small businesses in California. To qualify for Kaiser small business health insurance, a small employer must have at least one non-owner, W-2 employee working a minimum of 30 hours per week on average. Kaiser's competitive rates, lower than other HMO plans, have a positive impact on the insurance market, putting downward pressure on the rates of other insurance companies.
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Kaiser's Traditional HMO plans are standard Gold and Platinum level plans with no deductible
Kaiser Permanente offers a range of health insurance plans, including HMO plans with a Medicare contract. Kaiser's Traditional HMO plans are standard Gold and Platinum level plans with no deductible. This means that members can expect predictable costs for care with no hidden surprises. Before a visit, members can get a personalized cost estimate and know in advance how much their copays or coinsurance will be for services and prescriptions. This information can be accessed by signing into their kp.org account.
Kaiser Permanente's HMO plans are available in California, Hawaii, and Washington, while in Colorado, Oregon, Southwest Washington, Georgia, Maryland, Virginia, and the District of Columbia, they offer both HMO and HMO-POS plans. These plans provide access to a wide network of doctors, hospitals, pharmacies, and labs, as well as online tools to manage one's health.
Kaiser Permanente also offers plans for small, mid-sized, and large businesses, allowing employers to customize their plan offerings to suit their employees' needs and budgets. These plans can include medical, prescription, vision, dental, and complementary and alternative medicine options, depending on the location.
Additionally, as a Kaiser Permanente member, one is covered for emergency and urgent care anywhere in the world, providing peace of mind while travelling. With predictable costs, no deductibles, and a wide range of coverage options, Kaiser's Traditional HMO plans offer a comprehensive and accessible approach to healthcare.
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Kaiser is the nation's largest non-profit integrated healthcare system
Kaiser Permanente is one of the nation's largest non-profit health plans, serving 12.6 million members. It is a membership-based, prepaid, direct healthcare system. Unlike a traditional insurance company, members pay dues to access coordinated care across inpatient and outpatient settings, pharmacies, and more.
Kaiser Permanente is headquartered in Oakland, California, and was founded in 1945. It comprises the Kaiser Foundation Health Plan, Inc., and the Permanente Medical Groups, which provide care for Kaiser Permanente members. The physicians in these groups are responsible for medical decisions and continuously develop and refine medical practices to ensure care is delivered in the most efficient and effective manner possible.
Kaiser Permanente's history dates back to the late 1930s when a medical group was established to serve workers and their families during the construction of the Grand Coulee Dam in northeastern Washington. During World War II, those physicians served workers and their families at the Kaiser Shipyards in Portland, Oregon, and Vancouver, Washington. With the closing of the shipyards in 1945, enrollment was opened to the community.
Kaiser Permanente has experienced numerous labor disputes and strikes throughout its history, often centred around staffing levels, wages, and working conditions. The organisation has also been recognised for its innovative use of technology, such as pioneering electronic health records in the 1960s, to provide coordinated and high-quality care for its patients.
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Frequently asked questions
Kaiser Permanente is a nonprofit integrated health care system offering group health insurance plans in California.
Kaiser Permanente (KP) consists of three separate but related entities: a health plan that bears insurance risk, medical groups of physicians, and a hospital system. KP is a prepaid system that aims to provide high-quality, affordable care and manage population health.
Kaiser offers rich benefit plans at extremely low rates compared to other HMO plans. They have a multi-billion-dollar electronic medical record system that enables doctors to collaborate and eliminates the need for duplicate tests.
























