Major Medical Insurance Companies

When you searching for best health insurance products, there are many good reasons to look at the list of major medical insurance companies and health care providers.

They have a range of advantages such as top ratings and financial stability, a wide range of healthcare plans, reliable and quality services and different benefits for individuals, groups, families, employees, and business organizations.


The truth is that everybody at some times in their life needs some kind of medical treatment. As you know, medical/health insurance provides you with a coverage of medical costs for illnesses, injuries, surgical expenses, disability and other conditions.

Here you will see a list of the most popular and biggest medical insurance providers in The USA with their names and a short description.

Major Medical Insurance Companies List 

Founded in 1853 in Hartford, CT, Aetna is an American health care company, which sells health care insurance plans and other related services, such as medical, dental, behavioral health, pharmaceutical, long-term care, and disability plans.
Aetna, a member of the Fortune 100 is one of the best known and reputable medical insurance companies committed to providing individuals, employers, health care professionals, producers and others with innovative benefits, products, and services.

American Family Insurance is a private mutual company that focuses on property, casualty and auto insurance. However, the company is a famous provider of health insurance plans as well as other types of financial services.
In the medical care insurance, their offers include: Individual Health Insurance, Medicare Supplement Insurance, Short Term Health Insurance, Supplemental Products, Group Health Insurance.

American National Insurance Company was founded in 1905 and now it is of the leading insurance companies.
American National offers health insurance plans that cover a wide range of necessities, such as supplemental health plans that offer specified coverage.
Some are indemnity policies that pay cash benefits for covered incidents and can work in conjunction with your personal medical insurance plan.

Amerigroup a managed health care provider and health insurance company in The USA.
Amerigroup offers solutions that improve health care access and quality for their members, while proactively working to reduce the overall cost of care to taxpayers.

Anthem Blue Cross and Blue Shield is a subsidiary of one of the largest insurance providers Anthem Inc.
It offers a wide range of health care benefits and plans to the large and small employers, individuals, Medicaid and Medicare markets.
As one of the top and major medical insurance companies, they can provide you with special programs, great doctors, and plans that fit you.

Founded in 1948, Arkansas Blue Cross and Blue Shield, an Independent Licensee of the Blue Cross and Blue Shield Association, is the largest health insurer in Arkansas.
Arkansas Blue Cross is trusted by Arkansans for affordable, reliable insurance plans.
Arkansas Blue Cross offers health and dental insurance policies for individuals and families who purchase their insurance directly as well as those whose insurance coverage is provided through their employer.

Since 1929, BCBS companies have provided health care coverage to members.
They work closely with hospitals and doctors in the communities they serve to provide quality, affordable healthcare.
Known as one of the best medical insurance companies that provide nationwide healthcare coverage that opens doors for more than 106 million members in all 50 states, Washington, D.C., and Puerto Rico. Nationwide, more than 96 percent of hospitals and 93 percent of doctors and specialists contract with BCBS companies.

CareSource is a leading nonprofit managed care company based in Dayton, Ohio.
CareSource has been meeting the needs of healthcare consumers for more than 25 years.
CareSource offers managed health care plans for the uninsured and people who need it most.

Cambia Health Solutions is a nonprofit health insurance corporation which is based in Portland, Oregon.
Cambia comprises more than 20 companies, focuses on creating a more person-focused system.
Among their numerous companies and investments, they bring transparency to 70 million consumers in 50 states (HealthSparq); and provide a direct-pay health care marketplace for high-deductible health plan members (HealthSparq).

Founded as a single health plan in 1984, Centene Corporation (Centene) has established itself as one of the national leaders in the healthcare services field and definitely one of the major medical insurance companies in The USA.
Today, through a comprehensive portfolio of innovative solutions, they provide a range of products to their stakeholders: state governments, members, providers, uninsured individuals and families, and other healthcare and commercial organizations.
Centene provides health plans through Medicaid, Medicare and the Health Insurance Marketplace and other Health Solutions through their specialty services companies.

Cigna is a global health service company and one of the top medical insurance companies. For more than 200 years, Cigna and its predecessor companies have been in the insurance field.
They have sales capability in 30 countries and jurisdictions, and more than 86 million customer relationships throughout the world.
Cigna is a global health service leader that provides medical, dental, disability, life and accident insurance, and related products and services to customers in the United States and around the globe.

EmblemHealth is one of the nation’s major non-profit health plans. It is headquartered in Lower Manhattan, New York City.
Groups and individuals can choose from a variety of accredited PPO, EPO, and HMO health plans, as well as prescription drug, dental and vision coverage.
Their members get access to most of the tristate area’s top doctors and other medical professionals. Their members can also make use of acute care hospitals and physicians with hospitals across all 50 states.

Group Health Cooperative is a member-governed, nonprofit health care system that coordinates care and coverage.
Founded in 1947 and based in Seattle, Wash., Group Health and its subsidiary health carrier Group Health Options, Inc. serve more than 600,000 residents of Washington and North Idaho.



HCSC, a Mutual Legal Reserve Company and an Independent Licensee of the Blue Cross and Blue Shield Association, is the largest customer-owned health insurer in the United States and fourth largest overall, operating through our Blue Cross and Blue Shield Plans in Illinois, Montana, New Mexico, Oklahoma and Texas.
HCSC affiliates and subsidiaries such offer group life, disability, and dental solutions, as well as a range of other individual solutions.

Health Net provides managed health care medical coverage. The company’s health plans include HMO, PPO, Medicaid plans, Medicare, vision, dental care, and pharmacy programs.
Health Net, Inc. is now a Subsidiary of Centene Corporation.

HealthMarkets Insurance Agency is one of the largest independent health insurance agencies in the United States and is licensed to market and sell health insurance in all 50 states and the District of Columbia.
They distribute health, Medicare, life and supplemental insurance products from more than 200 insurance companies with thousands of plans available nationwide to individuals and families, seniors, small business owners and their employees.
They represent health insurance companies including Aetna, UnitedHealthcare, Cigna, Humana, Blue Cross Blue Shield and many more.

HealthPartners, an integrated health care organization providing health care services and health plan financing and administration, was founded in 1957 as a cooperative.
It’s the largest consumer-governed nonprofit health care organization in the nation – serving more than 1.5 million medical and dental health plan members nationwide.
Their care system includes a multi-specialty group practice of more than 1,700 physicians. HealthPartners employs over 22,500 people.

Highmark Inc. is a national, diversified health care partner and one of the major health insurance companies serving members through its businesses in health insurance, dental insurance, vision care and reinsurance.
Their mission is to make high-quality health care readily available, easily understandable and truly affordable in the communities they serve.
Highmark is an independent licensee of the Blue Cross and Blue Shield Association.

Humana is one of the best known and major health/medical insurance companies in The USA.
Humana’s diverse lines of business work to serve all types of consumers.
From families to seniors to military members to self-employed individuals, there is a plan to meet many unique needs.
Humana offers a wide range of products and services.
They provide health, vision and dental, Medicare plans, group health and supplemental insurance plans and more services to serve all types of clients.

Serving 8.5 million people in 32 states and Washington, D.C., including more than 2.5 million in the region, Independence Health Group is among the leading health insurance companies in the Philadelphia region.
Their portfolio includes coverage for national businesses, large employer groups, and small businesses; portable benefits for when you travel or live abroad; Medicare supplemental and Medicare Advantage products; Medicaid; and specialty services such as vision and dental coverage.
In addition, their subsidiaries provide specialty services and products including third-party benefits administration, pharmacy benefits management services, and workers’ compensation insurance.

Founded in 1945, Kaiser Permanente is one of the nation’s largest not-for-profit health plans, serving more than 10.6 million members, with headquarters in Oakland, California.
They provide a robust range of medical care services and products such as Individual & family plans, Medicaid/Medi-cal, Medicare, affordable care act, plans for businesses and much more.

Kaleida Health is the largest healthcare provider in Western New York, serving the area’s eight counties with state-of-the-art technology and comprehensive healthcare services.
Kaleida Health provides health care such as long-term care, pediatric, medical, prevention, support, and more services. Kaleida also helps conduct hospitals, primary and specialty care centers, home care and school-based health centers, and many other health care centers and facilities.

Founded in 1986 and based in Portland, LifeWise is part of a family of companies that cover more than 1.9 million people primarily in Washington, Oregon, and Alaska.
Together, they provide a range of products and services that include medical, life, vision, dental, stop-loss, disability and workforce wellness programs.
In addition, LifeWise provides information, tools and encouragement you can use to live the healthiest life possible.

Medicaid Molina Healthcare contracts with state governments and serves as a health plan, providing a wide range of quality health care services to families and individuals who qualify for government-sponsored programs, including Medicaid and the State Children’s Health Insurance Program (SCHIP).
Molina Healthcare offers Medicaid plans in California, Florida, Illinois, Michigan, Ohio, Puerto Rico, New Mexico, South Carolina, Texas, Utah, Washington and Wisconsin.

Premera serves more than 2 million people—from individuals and families to Fortune 100 employer groups.
They are the largest health plan in the Pacific Northwest and provide comprehensive services to customers in Washington and Alaska that include programs focused on wellness and prevention, disease management, and patient safety.
They deliver these programs through health, life, vision, dental, stop-loss, disability, workforce wellness, and other related products and services.

They are founded in 1879 as an insurance company. Today, they’re a member of the FORTUNE 500 and a global investment management leader.
They offer a wide range of services and products for individuals (to help you save, invest & retire; estate planning; life Insurance & income Protection), for employers (employee retirement plans, group insurance benefits, business planning), and for institutional clients.

State Farm one of the most popular groups of insurance and financial services companies in the United States. The group’s main business is State Farm Mutual Automobile Insurance Company
State Farm Mutual Automobile Insurance Company offers various types of affordable family health insurance, so you can choose the plan that best suits your personal situation.
Their health care offers include: Individual Medical Coverage, Medicare Supplement Insurance, Supplemental Health Insurance.

Thrivent Financial is a not-for-profit, membership organization of Christians.
They offer a broad range of financial products and services, including life insurance, disability income insurance, long-term care insurance, medicare supplement insurance, annuities and mutual funds, plus tailored guidance from financial representatives nationwide.

UnitedHealth Group is one of the most popular and major medical insurance companies and one of the most diversified health care providers in the United States. It is on the Fortune 500.
Their core capabilities in clinical care resources, information and technology uniquely enable them to meet the evolving needs of a changing health care environment.
They serve their clients and consumers through two distinct platforms: UnitedHealthcare (provides healthcare coverage and benefits services) and Optum (provides information and technology-enabled health services).

Universal American is a Fortune 1000 company and a publicly-traded healthcare company listed on the New York Stock Exchange (NYSE: UAM).
The company offers health insurance, and also deals in Medicare managed care plans.
They offer an array of Medicare Advantage health plans to people with Medicare in Texas, New York, and Maine.
Their subsidiary company, Collaborative Health Systems (CHS), is a management services organization that helps community physicians move to fee-for-value Medicare payment models.

Headquartered in Tampa, Fla., WellCare Health Plans, Inc. (NYSE: WCG) focuses exclusively on providing government-sponsored managed care services, primarily through Medicaid, Medicare Advantage, and Medicare Prescription Drug Plans, to families, children, seniors and individuals with complex medical needs.



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