It's that time of year at work that we're needing to renew our insurance carrier. HR decided to continue the two PPO plans we previously had available, while adding an HDHP + HSA plan. I've compared the two plans using an online tool, and to my surprise the HDHP seems to be better in all cases (except for a very tiny spot around $6000 of expenditures). How can this be? I would expect an HDHP to more risky, and therefore always include the possibility that you're out more money than with a "safer" plan. It's also worth noting that your total out of pocket expenses are always higher with our low deductible PPO than with the higher deductible PPO.

The following image shows data used for a family plan. I plugged in numbers for a single person, and there was a large area where the HSA was still cheaper than the PPO options (at approximately < $5000 or > $10000). Am I missing something here, or is it truly better to use the HSA in almost every situation?

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Here are the exact details of the plans.

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  • Is the tool you used available to the general public or is it part of your hr system?
    – Alex B
    Commented Sep 24, 2014 at 15:46
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    @AlexB It's available to the public. I found it via a google search. health-plan-compare.com Commented Sep 24, 2014 at 15:54
  • This doesn't surprise me at all. Generally only those that know they'll use the plans choose the lower deductible/higher premium approach so you end up with the premium reflecting this. Commented Sep 26, 2014 at 21:05
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    @LorenPechtel But if you always come out ahead using the HDHP, why would elect any other coverage? Commented Sep 26, 2014 at 21:08
  • 1
    @FreeAsInBeer About the only reason I can see is if you are poor at money management. Commented Sep 26, 2014 at 21:10

3 Answers 3


There are a couple of things that are missing from the analysis.

  1. The PPO plans feature a copay for doctors visits and prescriptions. For example, if you need to see your doctor, under the PPO plans, you would pay $20 out-of-pocket. Under the HDHP plan, you would pay the negotiated price for a doctors visit. We don't know right now what this is, but let's say its $100. (+1 for PPO: Most of the bills that you get will be less under the PPO plan than the HDHP plan.)

  2. The HDHP plan allows you to open an HSA account. You can then put money into the account that is deductible on your taxes, and you can withdraw that money for medical expenses. This includes the doctors visit I mentioned above, meaning that a $100 doctor bill, payed out of your HSA, might only effectively cost you around $75 (or whatever your tax bracket is). In addition, you can pay for things out of the HSA that are not covered by your insurance, such as dental visits, eyeglasses, chiropractic, etc. (+1 for HDHP: The HSA is a nice benefit if you have medical expenses that are not covered by insurance.)

In order to compare these and figure out what is best for you, you'll need to make some guesses and run the numbers. Here is how you might do that.

First, let's compare the premiums that you would pay over a year (we'll assume family coverage, since those are the numbers that you provided):

  • Plan A (PPO): $6144
  • Plan B (PPO): $4116
  • Plan C (HDHP): $2076

So if you don't have any medical expenses for the entire year, Plan C is the clear winner.

Now, let's look at the opposite end of the spectrum. Let's say that something big happens, and you are hospitalized for a while. Here is where you might hit your out-of-pocket maximums. Remember that with the HDHP, you can pay for your out-of-pocket expenses with an HSA, which means you can pay with money that was deducted with your income taxes. We'll say you are in the 25% tax bracket for this discussion. We'll also say that all your health care was in-network, for simplicity. Here is the maximum you would pay, under each plan:

  • Plan A (PPO): $6144 (premiums) + $6000 (out-of-pocket maximum) = $12,144
  • Plan B (PPO): $4116 (premiums) + $6000 (out-of-pocket maximum) = $10,116
  • Plan C (HDHP): $2076 (premiums) + $5000 * 75% (out-of-pocket maximum) = $5,826

Clearly, at the high end, Plan C is also the winner. In fact, with our 25% tax savings by using the HSA, the Plan C maximum is less than the Plan A premiums.

So what happens between these two extremes?

Let's now look at another scenario. Let's say that you end up having a smaller procedure done over the next year (something without a copay), and your medical expenses have totaled $5,000. Under the PPO plans, you have a smaller deductible, but you have to pay 20% of everything after that deductible. With the HDHP plan, you have a high deductible, but after you've hit it, you don't need to pay another penny.

After we've paid our bills for the year, here is what we have paid under each plan:

  • Plan A (PPO): $6144 (premiums) + $900 (deductible) + $4100 * 20% = $7,884
  • Plan B (PPO): $4116 (premiums) + $2400 (deductible) + $2600 * 20% = $7,036
  • Plan C (HDHP): $2076 (premiums) + $5000 * 75% (deductible) = $5,826

Here you can see that Plan C is the winner again. Any spending above this $5000 amount will get progressively worse for the PPO plans, since at this point, you are done paying with the HDHP plan, but you still have quite a ways to go with the PPO before you hit your out-of-pocket maximum. And if you try a few things in the other direction, you'll quickly see that, due to the 25% tax savings enjoyed by the HSA user, Plan C wins with less expenses as well.

So far, we've seen Plan C win everything we've tried. However, let's say that your family doesn't have any major health issues over the next year, but you have more normal medical expenses, which are covered by the PPO's copays. Here are some assumptions I'll make for the discussion. We'll say that we have a family of four, and each person ends up going to the doctor once, the dentist twice ($80 a visit), and let's say that someone in your family has a $30 a month prescription. We'll also put you in the 25% tax bracket, and ignore state taxes.

For a PPO plan, the doctor visits are only $20 each. (We'll put them at $100 each normally.) The prescriptions will only cost you $22 with the PPO plan. The dentist isn't covered by your insurance, so you'll need to pay that either way. And don't forget that anything you pay out-of-pocket can be payed for out of your HSA, at a 25% tax savings.

With this situation, here is what you would pay for the year:

  • Plan A (PPO): $6144 (premiums) + $80 (doctor) + $640 (dentist) + $264 (prescriptions) = $7,128
  • Plan B (PPO): $4116 (premiums) + $80 (doctor) + $640 (dentist) + $264 (prescriptions) = $5,100
  • Plan C (HDHP): $2076 (premiums) + $400 * 75% (doctor) + $640 * 75% (dentist) + $360 * 75% (prescriptions) = $3,126

Plan C wins again.

To be fair, there are scenarios where you would come out ahead with one of the PPO plans. (For example, a high prescription bill, as mentioned in @keshlam's answer.) If we take the dentist out of the equation, add some more doctor's office and ER visits, and hike up the prescriptions costs, we can get the PPO plan to look better. You'll have to use your own numbers and figure out what will work for you.

  • 1
    +1 for showing examples with math. Would +2 if I could!
    – dg99
    Commented Sep 26, 2014 at 15:10
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    We found the same with the HDHP at both my current and previous company. No matter what numbers we threw at the comparison, the HDHP+HSA option was always the cheapest. I've been using the HDHP+HSA option for the last 3 years, and have been able to save ~7k in my HSA account, all of which was the difference in premium from the PPO and HDHP plans (PPO premium was 125, HDHP premium was 50, so my contribution to my HSA was 75). Had I picked the PPO plan, I'd be out that 7k with nothing to show for it.
    – Matt
    Commented Oct 30, 2014 at 22:55
  • Copays don't count against the out of pocket max. So if you have a lot of doctors visits etc, then the absence of copays with the HDHP plan, would become a +1 in favor of the HDHP.
    – stannius
    Commented Dec 9, 2015 at 19:59

This really depends on your usage. I went with the High Dedux and HSA option this year... and discovered that until I'd hit the deductable, I didn't get any of the prescription drug discounts. If you're on an expensive maintenance med, that can be serious sticker shock (difference of 20 times!). Of course the HD plan also has lower premiums which more or less cover the deductable, and the HSA can be used to pay for some of the deductable... so this is really a matter of running the numbers based on your own health history, your own ability to keep money free to "self-insure" with, and how much you detest paperwork.

  • 1
    You should still get the negotiated rate even if the deductible isn't met. I've had problems with providers trying to charge list price when they get a deductible-not-met EOB but they've always fixed it when I have faxed over the EOB. Perhaps you're hitting the same thing at the pharmacy. Commented Sep 26, 2014 at 21:04
  • I checked it at multiple levels of the system and it really was delayed until deductable was met. Other plans, of course, may vary drastically. My point here is don't take it for granted, READ THE LITERATURE AND ASK QUESTIONS.
    – keshlam
    Commented Sep 27, 2014 at 0:51

My options are as follows: HDHP/HSA: $2747.94 Premium, $3000.00 Deductible, $1000.00 HSA Contribution, $6850.00 Max out of pocket. Traditional: $3552.12 Premium, $1200.00 Deductible, $0.00 HSA Contribution, $7200.00 Max out of pocket. With 0 medical expenses, the HDHP/HSA is $1804.18 cheaper.

One ER visit with transport: $1800.00 under the HDHP/HSA plan. (Counts against deductible) $100.00 co-payment under the Traditional plan. (Does not count against deductible) At this point, the HDHP/HSA plan is $104.18 cheaper. Deductible remaining: $1200.00 HDHP/HSA, $1200.00 Traditional.

Four doctor office visits at $250.00 per visit: $1000.00 under the HDHP/HSA plan. (Counts against deductible) $100.00 total co-payments under the traditional plan. (Does not count against deductible) At this point, the HDHP/HSA plan is $795.82 more expensive Deductible remaining: $200.00 HDHP/HSA, $1200.00 Traditional.

One hospitalization at $2000.00: $200.00 (from deductible) + 20% of remaining $1800.00 = $560.00 under HDHP/HSA. $1200.00 (from deductible) + 20% of remaining $800.00 = $1360.00 under Traditional. At this point the HDHP/HSA is $4.18 cheaper. Deductible met under both plans.

One more doctor office visit at $250.00: $50.00 (20%) under the HDHP/HSA plan. $25.00 (co-payment) under the Traditional plan. At this point the HDHP/HSA is $20.82 more expensive. This difference can only get larger because HDHP/HSA is 20% across the board and the Traditional plan still has co-payments for some expenses which are less than the 20%.

I realize I have not considered the tax advantage of the HSA account, but my 2015 tax software calculated that I owed $271.00 in taxes on the HSA account. Even if this was mistake, the tax advantages of the HSA still probably not overcome the higher overall cost of HDHP/HSA.

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