Choosing a health plan for 2027, explained
ACA Marketplace plans (Bronze to Platinum, premium tax credits) and an employer's high-deductible plan with an HSA versus a PPO, with the cost math worked through. No plan recommendations.
Explain it like I'm 5
Health insurance is like choosing how to pay for fixing a bike. Some plans cost less each month but more when you need care, while others cost more each month but less when you use care. A premium is the monthly payment for coverage, and a deductible is what you usually pay for covered care before the plan starts paying. On HealthCare.gov, enroll by December 15 for January 1 coverage or by January 15 for February 1 coverage; employers set their own enrollment windows.
This explains. It does not advise.
Where all four AIs agree is the solid ground. Where they disagree is exactly what to ask a licensed insurance agent, your employer's HR or benefits team, or a tax professional. This guide never names or recommends a plan.
Your options
Not good versus bad: each one fits some people and costs others.
Marketplace Bronze plan
Bronze plans generally have lower premiums and higher deductibles than other Marketplace metal levels. The out-of-pocket maximum is the most you pay for covered care in a plan year, not counting premiums. A premium tax credit is government help that may lower your monthly Marketplace premium based mainly on your expected household income and application details, with the final amount checked against your tax return.
Fits you if
- you expect little routine care and can handle higher costs when care happens
- you want a lower monthly premium and protection from very large covered bills
- you have checked that your doctors and medicines are covered
Watch out for
- A high deductible can leave you paying much of the cost of care early in the year.
- Bronze plans do not receive Silver-only cost-sharing reductions.
- Check the plan's doctors, facilities, medicines, deductible, and out-of-pocket maximum.
Marketplace Silver plan
Silver plans generally have moderate premiums and costs when you receive covered care. Cost-sharing reductions are extra income-based savings that lower deductibles, copayments, coinsurance, and the out-of-pocket maximum. Copayments are set fees, and coinsurance is your percentage of a covered bill; cost-sharing reductions are available only with a Silver plan.
Fits you if
- you qualify for cost-sharing reductions and want those extra savings
- you expect regular care and want a middle balance between monthly and care costs
- you want to compare Silver plans with different networks and drug coverage
Watch out for
- A Silver plan without cost-sharing reductions can have much higher costs than one with them.
- An inaccurate income estimate can change your savings and tax result.
- Check each plan's doctors, facilities, drug list, deductible, copayments, and coinsurance.
Marketplace Gold or Platinum plan
Gold and Platinum plans generally have higher premiums and lower costs when you receive covered care. Metal levels describe how costs are generally shared, not the quality of care or which doctors are available. A premium tax credit may still lower a qualifying person's premium.
Fits you if
- you expect regular visits, prescriptions, treatment, or other covered care
- you prefer higher monthly payments and lower costs when receiving care
- you want to compare more predictable care costs with your expected premium
Watch out for
- You pay the higher premium even in months when you use little care.
- A higher metal level does not guarantee that your doctors, hospital, or medicines are covered.
- Compare total yearly costs, including premiums and the out-of-pocket maximum.
Employer high-deductible plan with an HSA
An employer high-deductible health plan, or HDHP, generally has a higher deductible and may be paired with a health savings account, or HSA, for qualified medical expenses. Eligibility to contribute and the tax treatment have specific rules, including rules about other coverage and Medicare.
Fits you if
- you are eligible to contribute to an HSA and understand its tax rules
- you can handle the deductible and compare the employer's HSA contribution
- you want to save money for qualified medical expenses now or later
Watch out for
- Other coverage, Medicare enrollment, or dependent status can affect contribution eligibility.
- You may pay substantial costs before meeting the deductible.
- Ask a tax professional about HSA eligibility, contributions, withdrawals, and tax treatment.
Employer PPO plan
A PPO, or preferred provider organization, uses a network of doctors and facilities with plan-negotiated terms. It may cover some out-of-network care, usually at higher cost and under different rules. Your employer sets the plan details, employee premium, and enrollment window.
Fits you if
- you want to compare in-network care with possible out-of-network care
- your doctors, hospital, or medicines are covered differently by the employer's options
- you value provider flexibility and can compare the added payroll cost
Watch out for
- Out-of-network care can cost more or may not be covered under the plan's rules.
- A PPO does not necessarily cover every provider, service, or prescription at the same price.
- Do not assume the employer deadline matches HealthCare.gov dates.
Numbers to know
- 2027 ACA out-of-pocket maximum
- $12,000 for self-only coverage and $24,000 for other than self-only coverage. It was $10,600 and $21,200 in 2026.
- CMS, Premium adjustment percentage, maximum annual limitation on cost sharing and required contribution percentage for 2027checked November 3, 2026
- 2027 ACA maximum with Silver cost-sharing reductions
- For self-only coverage: $4,000 for household income from 100% to 200% of the federal poverty level, and $9,600 above 200% up to 250%.
- CMS, Premium adjustment percentage, maximum annual limitation on cost sharing and required contribution percentage for 2027checked November 3, 2026
- Marketplace premium tax credit
- HealthCare.gov says that with household income between 100% and 400% of the federal poverty level you qualify for the premium tax credit in all states. The amount depends on the household size and estimated income on your application.
- Premium tax credit | HealthCare.gov glossarychecked November 3, 2026
- 2027 HSA contribution limit
- $4,500 for self-only coverage and $9,000 for family coverage.
- IRS Rev. Proc. 2026-24, 2027 inflation adjusted amounts for Health Savings Accountschecked November 3, 2026
- 2027 HDHP minimum deductible
- $1,750 for self-only coverage and $3,500 for family coverage. A plan with a lower deductible does not qualify for an HSA.
- IRS Rev. Proc. 2026-24, 2027 inflation adjusted amounts for Health Savings Accountschecked November 3, 2026
- 2027 HDHP out-of-pocket maximum
- $8,700 for self-only coverage and $17,400 for family coverage, counting deductibles, copayments and other amounts but not premiums.
- IRS Rev. Proc. 2026-24, 2027 inflation adjusted amounts for Health Savings Accountschecked November 3, 2026
Example numbers, not your plan
A worked example: an HSA plan or a PPO
Round numbers made up to show the math, not any real plan. A year costs 12 premiums, plus what you pay for care, minus any money your employer puts in your HSA. What you pay for care is all of it up to the deductible, then your share, and never more than the out-of-pocket maximum.
- High-deductible plan with an HSA
- $250 a month in premiums, a $2,000 deductible, then you pay 20% of the bill, and never more than $5,000 in a year. Your employer adds $500 to your HSA.
- PPO
- $350 a month in premiums, a $500 deductible, then you pay 20% of the bill, and never more than $3,000 in a year.
The first plan has to meet the IRS 2027 rules for an HSA plan with self-only coverage: a deductible of at least $1,750 and an out-of-pocket maximum of at most $8,700. It does.
| Year | Care costs | HSA plan | PPO |
|---|---|---|---|
| A quiet year | $500 | $3,000 | $4,700 |
| A typical year | $3,000 | $4,700 | $5,200 |
| A bad year | $30,000 | $7,500 | $7,200 |
The lower total each year is in bold.
HSA tax savings are not counted, and HSA money you do not spend stays yours. Ask a tax professional what an HSA would save you. The IRS limit for 2027:
- 2027 HSA contribution limit
- $4,500 for self-only coverage and $9,000 for family coverage.
- IRS Rev. Proc. 2026-24, 2027 inflation adjusted amounts for Health Savings Accountschecked November 3, 2026
The questions that decide it
- Which plans cover your doctors, hospital, pharmacies, and medicines, and what will each cost?
- How much care and prescription use do you expect during 2027?
- Can you pay each plan's deductible and other costs in a bad health year?
- Do you qualify for Marketplace premium tax credits or Silver cost-sharing reductions?
- What does your employer contribute toward each plan or HSA, and what is its enrollment deadline?
Common mistakes
- Choosing by premium alone can hide a larger deductible, drug bill, or out-of-pocket maximum.
- Skipping Silver after qualifying for cost-sharing reductions loses savings available only with Silver.
- Failing to update Marketplace income or household changes can change your credit and tax result.
- Assuming every doctor or medicine is covered can cause unexpected bills or denied claims.
Questions to ask a professional
Ask a licensed insurance agent, your employer's HR or benefits team, or a tax professional.
- Ask a licensed insurance agent: Are my doctors, hospital, pharmacies, and prescriptions covered under this exact plan?
- Ask your employer's benefits team: What is our enrollment window and which events allow midyear changes?
- Ask your employer's benefits team: What are the premium, deductible, out-of-pocket maximum, and HSA contribution for each option?
- Ask a tax professional: How could my Marketplace premium tax credit affect my federal tax return?
- Ask a tax professional: Am I eligible to contribute to an HSA with my other coverage or Medicare status?
- Ask a licensed insurance agent or Marketplace representative: Do I qualify for Silver cost-sharing reductions based on my application?
See the plans in your ZIP code:
How sure is this guide?
Where the four AIs disagreed
ChatGPT, Claude, Gemini and Grok each researched Marketplace and employer plan choice on their own, with web search. The score is how closely their answers matched. Where they split, ask a licensed insurance agent, your employer's HR or benefits team, or a tax professional before you trust either side.
62/ 100Partial agreement
2027 premium tax credit eligibility changes
- Claude Sonnet 5.5: Says 2027 rules narrow eligibility for some noncitizens.
- GPT-5.6 Terra: Does not describe a 2027 eligibility change.
- Gemini 3.8 Flash: Does not describe a 2027 eligibility change.
- Grok 4.5: Does not describe a 2027 eligibility change.
2027 HSA contribution limits
- Grok 4.5: States limits of $4,500 self-only and $9,000 family.
- GPT-5.6 Terra: Cites an IRS source but gives no limit.
- Claude Sonnet 5.5: Gives no 2027 limit.
- Gemini 3.8 Flash: Gives no 2027 limit.
Sources
The AIs searched the web and used these. AI can get details wrong, so the dated numbers above are copied by hand from the official source beside each, and the plan documents you get from your insurer or employer are the final word.