HDHP vs PPO: How to Choose a Health Plan by the Numbers

Every fall, the same choice: the plan with the lower paycheck deduction and the scary deductible, or the plan with the higher premium and the familiar copays. The HDHP vs PPO decision is presented as a question of risk tolerance, but it is mostly a question of arithmetic, and most people never do the arithmetic. They pick the PPO because it feels safer, or the HDHP because a colleague said the HSA is great, and they leave real money on the table either way.

This guide gives you the method. You will build a simple comparison at three levels of medical usage, add the pieces most people forget, and then apply a few non-financial checks. By the end you should be able to make the choice in 20 minutes with your own benefits summary in hand. For the account side of this decision, see our HSA vs FSA comparison.

What Separates an HDHP From a PPO

A preferred provider organization (PPO) plan typically charges a higher monthly premium, has a lower deductible, and uses copays for office visits and prescriptions, so you pay a flat amount rather than the full negotiated price until the deductible is met. A high-deductible health plan (HDHP) charges a lower premium, requires you to pay the full negotiated price for most services until you hit a higher deductible, and, if it meets the IRS definition, lets you contribute to a health savings account.

Both plan types have an out-of-pocket maximum, the most you can pay in a year for covered in-network care. Both cover preventive care at no cost under the Affordable Care Act rules on preventive services. Many employers use the same provider network for both, which means the doctor question is often a non-issue, but that is something to verify rather than assume.

The IRS sets the minimum deductible and maximum out-of-pocket limit for an HSA-qualified HDHP each year. For 2026, an HDHP must have a deductible of at least $1,700 for self-only coverage or $3,400 for family coverage, and an out-of-pocket maximum no higher than $8,500 or $17,000 respectively. IRS Publication 969 has the current figures.

The HDHP vs PPO Math, Step by Step

Gather four numbers for each plan from your benefits summary: the annual premium (your share, multiplied by the number of paychecks), the deductible, the out-of-pocket maximum, and any employer contribution to an HSA. Then compute your total cost at three usage levels.

Step one: the fixed cost

Start with the annual premium. Subtract the employer HSA contribution for the HDHP, since that is money you receive simply for enrolling. A plan that costs $2,400 a year in premiums but includes a $1,000 employer HSA deposit has a net fixed cost of $1,400. This adjustment alone often flips the comparison, and it is the item most people skip.

Step two: three usage scenarios

Estimate what you would spend on care at three levels. Low usage: preventive visits, one or two sick visits, a couple of generic prescriptions, roughly $500 to $1,000 in billed services. Moderate usage: a specialist, some imaging, physical therapy, an urgent care visit, perhaps $4,000 to $6,000. High usage: a surgery, a hospitalization, a pregnancy, or a chronic condition with expensive medication, enough to hit the out-of-pocket maximum on either plan.

For each plan and each scenario, calculate what you pay: the lesser of your share under the plan's deductible and coinsurance rules or the out-of-pocket maximum. Add the net fixed cost from step one. The result is your total annual cost.

Step three: add the tax savings

If you contribute to an HSA under the HDHP, you save federal income tax, Georgia income tax, and, for payroll contributions, FICA tax on every dollar. For a household in the 32 percent federal bracket, that is roughly 40 cents saved per dollar contributed once state and payroll taxes are included. Contributing the family maximum, which for 2026 is $8,750, produces tax savings in the low thousands of dollars. Count that as a reduction in the HDHP's cost in every scenario. Our guide to the HSA triple tax advantage explains why the long-term value is larger still.

A Worked Example for an Atlanta Family

Suppose a family of four in Midtown Atlanta has two options through one spouse's employer. The PPO costs $450 a month with a $1,500 family deductible, 20 percent coinsurance, and a $6,000 out-of-pocket maximum. The HDHP costs $200 a month with a $4,000 family deductible, 20 percent coinsurance after that, a $7,000 out-of-pocket maximum, and a $1,500 employer HSA contribution.

• Fixed cost: PPO $5,400 in premiums. HDHP $2,400 in premiums minus $1,500 employer contribution, net $900.
• Low usage ($800 of billed care): PPO pays copays of maybe $200, total $5,600. HDHP pays $800 (below deductible), total $1,700. HDHP wins by $3,900.
• Moderate usage ($5,000 billed): PPO pays $1,500 deductible plus 20 percent of the remaining $3,500, about $2,200, total $7,600. HDHP pays $4,000 deductible plus 20 percent of $1,000, about $4,200, total $5,100. HDHP wins by $2,500.
• High usage (hits both maximums): PPO pays $6,000, total $11,400. HDHP pays $7,000, total $7,900. HDHP wins by $3,500.
• Add HSA tax savings of roughly $3,000 on a maximum contribution, and the HDHP's margin widens in every scenario.

Why this example is not universal

In this case the HDHP wins everywhere, which is common when employers price the HDHP aggressively and seed the HSA. But some employers price the two plans closer together, or offer a PPO with a deductible of $500 and generous copays, and then the PPO wins in the moderate scenario. The method is the same; only your numbers differ. Run it with your own summary rather than trusting a rule of thumb.

Situations Where the PPO Still Makes Sense

The arithmetic often favors the HDHP for high earners, but several situations shift the answer or make the PPO's structure worth a premium.

• Predictable moderate spending. A family with a child in ongoing therapy, a spouse on a brand-name medication, or a planned procedure that will not reach the out-of-pocket maximum often lands in the zone where the PPO's copays cost less.
• Cash flow strain. The HDHP front-loads costs. If your emergency reserve cannot absorb the full deductible in one month without stress, the PPO's smoothing is worth something. Our guide on how much emergency fund to hold sets the target.
• Prescription structure. Some HDHPs apply the deductible to all prescriptions, while the PPO uses flat copays from day one. For expensive specialty drugs, check where each plan puts them on the formulary.
• Network differences. When the PPO has a broader network or includes a specific hospital system you rely on, that can outweigh a few thousand dollars.
• Ineligibility for the HSA. If you are on Medicare, covered by a spouse's general-purpose FSA, or otherwise cannot contribute, the HDHP loses its main tax benefit.

The Behavioral Side of a High Deductible

Research on high-deductible plans consistently finds that people cut back on care when they face the full price, and they cut back on needed care as well as unneeded care. That is a real cost that does not show up in the spreadsheet. If you choose the HDHP, commit to two habits: get preventive care, which is free, and do not delay a visit that you would have made under the PPO. The money in the HSA is there to be spent when care is needed.

The second habit is to treat the deductible as a known annual expense rather than a surprise. Set aside the deductible amount in the HSA or in cash at the start of the year. If you never need it, the HSA balance grows. If you do, the bill is already covered. This is the same discipline that makes the HSA a long-term asset rather than a checking account, and it is easier to keep when the reserve is built in advance.

For households where both spouses have employer coverage, run the comparison for each employer's plans and for covering the family under one plan versus splitting. Employer spousal surcharges and different HSA contributions can make one arrangement clearly better.

Where This Decision Fits in Your Plan

The health plan choice is one of a handful of annual benefits decisions with real dollar consequences, alongside 401(k) elections, disability and life coverage, and FSA elections. Our open enrollment guide walks through the full list. Making them together, on a calendar, turns a stressful two weeks into a routine.

Attend Wealth includes the benefits election in the annual planning cycle for clients. We run the HDHP and PPO comparison with your actual numbers and expected usage, coordinate it with HSA funding and the rest of the tax plan, and revisit it when a family's health or employer changes. Attend is a fee-based firm and advisory services are held to a fiduciary standard. Choosing an employer health plan involves no product placement, but where a benefits review leads to implementing an insurance policy such as life or disability coverage, the insurance carrier pays a commission to the firm, and that compensation is disclosed to you in writing beforehand. Our financial planning page describes how these reviews fit into the broader work.

Pick the plan by doing the math at three usage levels, with the employer HSA contribution and the tax savings counted. For many high earners that math favors the HDHP, sometimes by thousands of dollars a year, but the PPO earns its premium when spending is predictable and moderate, when cash flow is tight, or when the network matters. Twenty minutes with your benefits summary is worth more than any rule of thumb.

Tony Colunga · Founder, Attend Wealth

Tony leads Attend Wealth, a fee-based wealth management firm in Atlanta serving professionals, families, physicians, and business owners. Advisory services are held to a fiduciary standard. More about Attend