How to Open an HSA Account

You open an HSA through your employer's health plan, a bank, or an insurance company — but only if you have a may have access to high-deductible health plan first

An HSA account is not something you can open on your own. You need a may have access to high-deductible health plan (HDHP) in place before you can open one. Most people get this through their employer, but you can also buy one on your own through the health insurance marketplace. Once you have the HDHP, you can open the HSA account itself through your employer's benefits administrator, a bank, or an insurance company — whichever your employer offers or whichever you choose if you bought the plan yourself.

The process is straightforward: you provide basic information, confirm you meet the may be able to access rules, and choose where your money will be held and invested. Most people complete it in under 15 minutes.

Key Takeaways

You must be enrolled in a high-deductible health plan before opening an HSA; you cannot have an HSA without one.
If your employer offers an HSA, you usually set it up through their benefits portal or HR department during open enrollment or when you first enroll in the HDHP.
If you buy your own health plan, you can open an HSA through a bank, insurance company, or financial institution that offers them.
You will need your Social Security number, proof of HDHP enrollment, and basic personal information to open an account.
You can only contribute to an HSA during the months you are enrolled in a may have access to HDHP; contributions stop if you switch to a different plan type.

Opening an HSA through your employer

If your employer offers an HDHP and an HSA, the setup usually happens during open enrollment or when you first enroll in the health plan. Your employer's benefits administrator will either send you a link to set up the account online or provide instructions to do it by phone or mail.

You will need your Social Security number, date of birth, and confirmation that you are enrolled in the HDHP. Some employers let you choose which bank or financial institution holds your HSA; others have already selected one for you. If you have a choice, compare what each option charges in fees and what investment options they offer, since you will be using this account for years.

Once you submit your information, the account is usually active within a few business days. Your employer will then tell you how to add money — either through payroll deduction (which is the most common way) or by transferring money yourself after each paycheck.

Opening an HSA if you bought your own health plan

If you purchased a high-deductible plan through the health insurance marketplace or directly from an insurance company, you will need to open an HSA account separately. You cannot wait for an employer to do it for you.

You can open an account through a bank, credit union, or financial services company that offers HSAs. Common providers include major banks, online banks, and dedicated HSA administrators. Search for "HSA account" along with your state name, or ask your health insurance company which providers they recommend.

When you contact a provider, have your health plan documents ready — specifically the plan name and the deductible amount. The provider will verify that your plan qualifies as an HDHP. You will then provide your Social Security number, address, and banking information if you want to fund the account by transfer. The account is usually open within one to three business days.

What information you need to have ready

Before you start the process, gather these documents and details:

Your Social Security number
Your date of birth
Your health plan name and policy number (found on your insurance card or enrollment paperwork)
Your plan's deductible amount
Your employer's name and address (if opening through an employer plan)
A bank account number if you plan to fund the HSA by transfer

If you are opening the account through your employer, they will usually have most of this information already. If you are opening it on your own, the HSA provider will ask you to confirm your plan details so they can verify it qualifies.

Choosing where to hold your HSA

If your employer gives you a choice of HSA providers, or if you are opening one on your own, you will need to decide where to keep the account. This choice matters because different providers charge different fees and offer different ways to invest your money.

Some HSA accounts are straightforward savings accounts that earn a small amount of interest. Others let you invest the money in mutual funds or stocks, similar to a retirement account. If you plan to use the HSA only for when ready medical expenses, a savings account is fine. If you are saving it for future years, an account with investment options may grow your money faster — but it also carries more risk.

Ask each provider about monthly fees, whether there is a minimum balance, what happens if your balance drops below that minimum, and whether they charge fees to invest or withdraw money. Some providers waive fees if you keep a certain amount in the account or set up payroll deduction.

Funding your HSA after you open it

Once your account is open, you can add money in several ways. The most common is payroll deduction — your employer takes money from your paycheck before taxes and deposits it into your HSA. This is the easiest method and saves you money on taxes.

If you are self-employed or your employer does not offer payroll deduction, you can transfer money from your bank account yourself. You can also receive a debit card from your HSA provider and use it to pay medical bills directly from the account.

There is a limit to how much you can contribute each year. The limit changes annually and depends on whether your health plan covers only you or also covers family members. Your HSA provider will tell you the current limit and track how much you have contributed so you do not exceed it.

What happens if you change health plans

If you switch to a health plan that is not a high-deductible plan — for example, a traditional PPO or HMO — you can no longer contribute new money to your HSA. However, the money already in the account stays there and you can still use it for medical expenses. You can also leave it invested and let it grow, even if you are not adding to it.

If you switch back to an HDHP later, you can start contributing again. Your HSA account does not close just because you change plans; it only stops accepting new contributions.

Frequently Asked Questions

Can I open an HSA if I am on Medicare?

No. Once you enroll in Medicare, you are no longer may be able to access to contribute to an HSA, even if you also have a high-deductible plan. You can still use money already in your HSA for medical expenses, but you cannot add new contributions.

What if my employer does not offer an HSA even though they offer an HDHP?

You can open an HSA on your own through a bank or financial services company. Your employer is not required to offer one; they only have to offer the may have access to health plan. You will fund it yourself rather than through payroll deduction.

How long does it take to open an HSA account?

If you are opening it through your employer during enrollment, it usually takes a few business days after you submit your information. If you are opening one on your own, most providers set up the account within one to three business days of your process.

Do I have to use my employer's HSA provider, or can I choose my own?

It depends on your employer. Some employers let you choose from several providers; others have selected one for you. If your employer has chosen one and you want to use a different provider, you can open a separate HSA on your own and transfer money to it, though this is less common.

What if I miss the important date to open an HSA?

There is no single important date. You can open an HSA whenever you enroll in a may have access to HDHP — during open enrollment, when you first become may be able to access, or at any other time you switch to an HDHP. You can contribute to it for the remainder of that calendar year.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.