Who is the largest health insurance provider in the US?

Asked by: Meda Kozey  |  Last update: August 27, 2025
Score: 4.5/5 (13 votes)

1. UnitedHealth Group. UnitedHealthcare, part of UnitedHealth Group, is the largest health insurance company, based on revenue. UnitedHealthcare sells individual and family plans and group plans, which you get through an employer.

Who is the biggest health insurance company in the US?

At the national level, the 10 largest health insurers by market share were: 1. UnitedHealth Group (28%), 2. Humana (18%), 3. CVS (Aetna) 11%, 4.

Who is the #1 insurance company in the USA?

State Farm is the largest auto insurance company in the U.S. based on written premium, or the total amount it bills customers. Progressive is the second-largest car insurance company, followed by Geico and Allstate.

Who is the largest provider of healthcare?

1. UnitedHealth Group (UNH) UnitedHealth Group holds its position at the forefront of the healthcare sector, pushing the boundaries of digital and personalized care.

Is UnitedHealthcare bigger than Blue Cross Blue Shield?

Blue Cross Blue Shield is a collective of 33 different companies, and star ratings and member experience scores vary among providers. UnitedHealthcare offers the largest Medicare Advantage network of all companies, with more than 1 million network care providers.

What US Insurance Companies Aren’t Telling You | Informer

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What is the disadvantage of UnitedHealthcare?

Cons About UnitedHealthcare Medicare Advantage

You may only have access to certain HMO or PPO plans in your area. And while UnitedHealthCare has competitive pricing, your location may only have access to plans with higher deductibles, more copays, and fewer additional benefits.

Who is UnitedHealthcare's biggest competitor?

The main competitors of UnitedHealth Group include Elevance Health (ELV), The Cigna Group (CI), Humana (HUM), Centene (CNC), Molina Healthcare (MOH), Oscar Health (OSCR), Alignment Healthcare (ALHC), Clover Health Investments (CLOV), Trupanion (TRUP), and NeueHealth (NEUE).

Which health insurance denies the most claims?

According to the analysis, AvMed and UnitedHealthcare tied for the highest denial rate, with both companies denying about a third of in-network claims for plans sold on the Marketplace in 2023, respectively.

Who is the most trustworthy insurance company?

State Farm is a three-time Bankrate Award winner for Best Term Life Insurer in 2022, 2023 and 2024, thanks to its top-notch customer service and accessibility tools. As one of the top life insurance companies, State Farm also received the highest customer satisfaction score from J.D. Power.

Who is State Farm's biggest competitor?

State Farm main competitors are USAA, MetLife, and American Family Insurance. Competitor Summary. See how State Farm compares to its main competitors: MetLife has the most employees (49,000).

Who is Aetna owned by?

Aetna is proud to be a part of the CVS Health® family of companies. The following Aetna companies provide their own products and services.

Who is the largest insurer in the United States?

  • #1: United Health Group (UNH)
  • #2: Berkshire Hathaway Inc. ( BRK.B)
  • #3: CVS Health Corp Group (CVS)
  • #4: The Cigna Group (CI)
  • #5: Elevance Health Inc. ( ELV)
  • #6: Centene (CNC)
  • #7: Ping An Insurance (PNGAY)
  • #8: Allianz (ALIZY)

What is the best health insurance company?

Investopedia's analysis ranks Kaiser Permanente as the best health insurance company for 2025 because of its blend of affordability and low customer complaints. UnitedHealthcare and Aetna also earned top marks. We evaluated nine insurers using dozens of criteria, such as customer satisfaction, plan types, and costs.

What is the most expensive health insurance?

Platinum health insurance is the most expensive type of health care coverage you can purchase. You pay low out-of-pocket expenses for appointments and services, but high monthly premiums.

What is the number 1 healthcare system?

According to the 2024 edition of the CEOWORLD Magazine Health Care Index, Taiwan ranks as the country with the best healthcare system globally, with an overall score of 78.72. South Korea (77.7) and Australia (74.11) follow closely behind.

Which health insurance company has the highest customer satisfaction?

Kaiser Permanente is the top health insurer in the nation for affordability, customer satisfaction, and trustworthiness, according to Insure.com. Insure.com uses industry data and consumer feedback to rate health insurance companies.

Why do doctors not like Medicare Advantage plans?

Across the country, provider grumbling about claim denials and onerous preapproval requirements by Advantage plans is crescendoing. Some hospitals and physician practices are so fed up they're refusing to accept the plans — even big ones like those offered by UnitedHealthcare and Humana.

Does UnitedHealthcare have a good reputation?

Although a few companies, such as Kaiser Permanente, performed better in this category, UnitedHealthcare received 4.06 out of 5 stars. The company also did well in J.D. Power 2023 U.S. Commercial Member Health Plan Study scores for California, which measures health plans for overall customer satisfaction.

Why did UnitedHealthcare drop?

Health insurance stocks fell Thursday after UnitedHealth Group reported a weaker-than-expected quarter for its insurance division, raising concerns that the industry's doldrums will extend into the new year.