What are the top 10 private health insurance companies?

Kaiser Permanente is consistently rated the best overall private health insurance company in the United States.

Major industry rankings from Forbes Advisor, Insure.com, and Investopedia place top private carriers into specific categories based on cost, customer satisfaction, and coverage type:

Top Rated Private Health Insurers

• Kaiser Permanente: Best overall and most affordable individual plans. It scores highest for customer satisfaction and low consumer complaints. However, it operates as an HMO and is only available in eight states and Washington, D.C.
• Blue Cross Blue Shield (BCBS): Best for families and PPO access. It offers the largest nationwide network of preferred provider organization (PPO) plans with strong affordability for families.
• UnitedHealthcare (UHC): Best for customer reliability and large provider networks. It maintains low complaint numbers relative to its massive size and offers plans across 30 states.
• Humana: Highly rated for overall quality and customizable small business plans, though monthly premiums tend to run slightly higher than average.
• Aetna: Best for low customer complaints and integrated digital accessibility through retail health networks like CVS.

Neither Blue Cross Blue Shield (BCBS) nor UnitedHealthcare (UHC) is universally "better"—the right choice depends entirely on your location, budget, and the specific type of plan you need.

Network and Availability

• Blue Cross Blue Shield: Operates as a network of 36 independent regional companies covering every U.S. state, serving over 100 million members. BCBS is often better for finding PPO (Preferred Provider Organization) and EPO plans with robust local doctor networks, though specific rules and costs vary greatly by state.
• UnitedHealthcare: Is the nation’s largest single health insurance provider, serving nearly 50 million members across all 50 states. UHC stands out for its massive overall provider network and extensive market share, particularly in employer-sponsored and Medicare Advantage plans (often co-branded with AARP).

Cost and Coverage

• Blue Cross Blue Shield: Generally tends to score well on overall customer satisfaction and offers strong member perks (like Blue365 wellness discounts), but it can come with higher-than-average monthly premiums.
• UnitedHealthcare: Often provides more competitive pricing or lower-cost plan options and advanced digital tools, but some users report a higher frequency of claim denials and more difficult prior-authorization hurdles.

UnitedHealth Group is the No. 1 health insurance company in the United States by size, market share, and net premiums written.

When looking at customer satisfaction and quality ratings, Kaiser Permanente frequently ranks as the No. 1 overall health insurance provider for customer experience and plan performance. Other top-rated and major national providers include Blue Cross Blue Shield, Aetna (CVS Health), and Centene Corporation.

Top Health Insurers by Category

• Largest by Enrollment and Revenue: UnitedHealth Group (serving roughly 45 to 49 million members).
• Best for Customer Satisfaction: Kaiser Permanente, which combines coverage and care in an integrated system.
• Best for National Network & Variety: Blue Cross Blue Shield Association (offering local plans across all 50 states).

Kaiser Permanente is widely rated as the best overall and most affordable health insurance company for individuals, while Blue Cross Blue Shield offers top-rated affordable coverage for families.

Because health insurance availability and pricing depend entirely on where you live and your household income, the "best" choice varies by region.

Top-Rated Affordable Health Insurers

• Kaiser Permanente: Ranks No. 1 for low-cost options and price, featuring low average monthly premiums and deductibles alongside very few consumer complaints. However, it operates as an integrated health system and is limited to specific states.
• Blue Cross Blue Shield: Excels in family affordability with some of the lowest out-of-pocket maximums and the widest availability of PPO networks across all 50 states.
• Aetna: Stands out for having the lowest customer complaint ratios in national evaluations while maintaining competitive marketplace pricing.
• Molina Healthcare: Offers some of the cheapest HMO and Medicaid/Marketplace options in select states, though plan flexibility is more restricted.

How to Find the Best Deal

• Check the Marketplace: Shop via HealthCare.gov or your state's health exchange during open enrollment to see if you qualify for income-based premium tax credits.
• Look Beyond Premiums: A cheap monthly premium can come with a high deductible. Calculate your total expected medical costs (copays, deductibles, and premiums combined) before choosing a metal tier (Bronze, Silver, Gold, or Platinum).

The average cost of private health insurance in the United States ranges from $625 to $752 per month for an unsubsidized individual Silver plan, while a family of four averages $1,800 to $2,230 per month without subsidies.

However, your actual out-of-pocket monthly premium depends entirely on how you obtain coverage, your location, your age, and whether you qualify for financial assistance.

1. Cost by How You Get Insured

• Employer-Sponsored Plans: If your job offers health benefits, they heavily subsidize the premium. The average employee pays roughly $120 per month for single coverage and $571 per month for a family plan, with the employer covering the remaining majority.
• ACA Marketplace Plans (Off the Job): If you buy an individual plan through the Health Insurance Marketplace or a state exchange, the national average benchmark premium sits at $625 per month before tax credits. If you qualify for income-based subsidies, your net premium can drop drastically—often to less than $100 to $158 per month.
• Off-Marketplace Private Plans: If you buy a plan directly from a private insurer or agent, you will pay the full retail premium (averaging $450 to $750+ per month for an adult) because off-marketplace plans do not qualify for federal tax credits.

2. Marketplace Cost Breakdown by Age and Plan Tier

Plans are broken down by "metal tiers," which establish how you split healthcare costs with the insurer. Bronze plans have the lowest monthly premiums but the highest deductibles, while Gold and Platinum plans have high monthly premiums but much lower deductibles.

According to national marketplace averages from Fidelity and health sector analyses, unsubsidized monthly costs scale predictably by tier and age:

3. Cost Variation by State

Geography plays a major role in pricing due to state regulations and local hospital competition.

• Most Expensive: States like Vermont (averaging $1,299/month) and New York (averaging $1,101/month) feature the highest unsubsidized marketplace costs in the country.
• Least Expensive: States like New Hampshire (averaging $401/month) and Maryland (averaging $440/month) boast some of the lowest average rates.

Total Out-of-Pocket Costs to Consider

When budgeting for private health insurance, the monthly premium is only part of the equation. You must also factor in:

• Deductibles: The amount you must pay out-of-pocket for medical care before your insurance starts footing the bill.
• Copays/Coinsurance: Fixed fees (e.g., $30 per doctor visit) or percentages (e.g., 20% of an ER visit) you pay at the time of care.
• Out-of-Pocket Maximum: The ultimate annual cap on your medical expenses. For individual marketplace plans, this cap can reach up to $10,600 ($21,200 for families), after which the insurance company pays 100% of covered services.