Medical Credit Cards: How They Work, Risks and Alternatives

A medical credit card is a specialty card offered through your doctor, dentist or other provider that you use to pay for care your insurance doesn't fully cover. The most common is CareCredit, issued by Synchrony and accepted at hundreds of thousands of providers. 

These cards can bridge a gap when a bill is due before you're ready to pay, but most carry high annual percentage rates (APRs), often around 27%, and deferred interest, which makes them riskier than they look. 

Here's how medical credit cards work, where they go wrong and the lower-cost alternatives worth trying first.

Key Takeaways

• A medical credit card finances care at participating providers: CareCredit, issued by Synchrony, is the most common, used for dental, vision and other out-of-pocket costs.

• Deferred interest is the biggest risk: Miss the payoff deadline and you're charged interest on the full original balance, often around 27%, not just what's left.

• A true 0% APR card is safer: Unlike deferred interest, a real 0% intro card only charges interest on the remaining balance after the promo ends.

• Start with a provider payment plan, HSA/FSA or charity care: These usually cost less than a medical credit card and often carry no interest or credit check.

• Regulators are scrutinizing these cards: The CFPB, HHS and Treasury have investigated medical credit cards, and the CFPB previously fined CareCredit $34.1 million over deferred-interest practices.

• Use medical credit only with a payoff plan: It can make sense if the terms are transparent and you can clear the balance before the promo period ends.

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How Medical Credit Cards Work

You apply through a participating provider, usually right in the office, and approval triggers a hard credit check. Once approved, you can charge eligible medical, dental, vision or veterinary costs to the card and repay over time. 

The draw is the promotional financing — often advertised as "no interest if paid in full" over 6 to 24 months. The catch is that this is typically deferred interest, not a true 0% APR: interest accrues in the background the whole time and is charged retroactively on the full original balance if you don't pay it off before the promo ends.

Unpaid debt on a medical credit card may become prohibitively expensive.  

Blood tests, MRIs and other medical expenses can add up and become due before you have ample time to find a way to pay for them. According to a recent Health Affairs Scholar study, as of 2024, 36% of American households had medical debt, 21% had a past-due medical bill and 23% had to establish a payment plan with a provider over time. 

You might consider paying medical bills with a credit card as a temporary solution, but if you’re not careful, it can become a tricky financial move.  

A true 0% APR means that if you pay the full amount within the promotional period, you owe only the principal. For example, if you charge $5,000 on a 0% APR credit card and pay it off during the promotional period, you won’t be charged interest and only owe the original amount.  

However, deferred interest means that if you don’t pay the amount during the promotional period, you’ll be charged interest on the full original amount. If you charge $1,000 on a credit card with 27% deferred interest and pay it off during the promotional period, you won’t be responsible for paying anything extra. However, failure to pay the full amount will result in $270 in interest, even if you have only $100 remaining on the balance.  

If you can't pay off the balance during the promotional period, the APRs are steep, and paying only the minimum will keep you in a debt cycle. If you miss payments, you’ll incur late payment fees, and it will affect your credit utilization rate and credit report. 

These risks are well documented. The CFPB, along with the Department of Health and Human Services and the Treasury, opened an inquiry into medical credit cards and financing, and the CFPB previously ordered CareCredit to set up a $34.1 million reimbursement fund over deferred-interest enrollment practices. Regulators have flagged typical APRs near 27%, and states including California, Illinois and New York have passed laws limiting how these cards are marketed to patients.

Best Alternatives to Medical Credit Cards 

Sometimes you feel pressure to decide on medical financing quickly while you’re at the doctor’s office. In the long term, though, it’s better to consider alternatives to medical credit cards instead of agreeing without considering the severe financial consequences. You may want to try for a provider payment plan first, use your HSA or FSA, ask for financial assistance, or use a general-purpose credit card. Here’s how each choice compares:  

What To Try Before Applying for Medical Credit 

You can be proactive and try other alternatives before applying for a medical credit card. Check out this list to determine what you need to start with first:  

1. Check your medical bill for errors and insurance issues, such as duplicate or incorrect charges. Also, make sure insurance adjustments have been applied.  

2. Ask questions of your provider. Request an itemized bill, a payment plan, a discount or a hardship program from your provider.  

3. Review your benefits. You may be able to pay medical bills through your HSA, FSA or other employer benefits. Don’t overlook this built-in option.  

4. Request charity care. If you have a low income, you may qualify for charity or community assistance.  

5. Consider a loan for medical bills or a 0% APR card only if repayment is feasible and you have a plan to pay it off.    

If you do opt for a medical credit card, review the terms and ask questions if you’re confused about the details regarding your medical debt.  

When a Medical Credit Card May Make Sense 

If you’ve fully investigated other options and still conclude that a medical credit card makes the most sense, make sure you clearly understand what you signed up for.  

Convenience alone isn’t the right reason to use a medical credit card. The medical credit card option may be reasonable if the following parameters are met:  

• The medical credit card is fully transparent about the terms, including APRs and your payoff timeline. 

• Your provider accepts the medical credit card. 

• You completely understand what deferred interest means. 

• You can repay the debt before the promotional deadline ends. 

How To Compare Your Options 

If you’re considering several medical credit cards, calculate the costs using real numbers rather than estimates or mental math. Some of the factors you need to evaluate include:  

1. Total repayment cost 

2. Your monthly payment 

3. APR 

4. Fees 

5. Promotional deadlines 

6. Provider acceptance 

7. Credit requirements 

8. Missed payment consequences  

When considering the monthly payment, calculate it based on the promotional period deadline.  

Bottom Line 

Before you decide to finance your medical bill with a medical credit card, consider other alternatives like a provider payment plan, personal loan, hardship assistance, HSA or FSA, or a general-purpose 0% APR credit card. If you’ve looked into other payment options and think a medical credit card is your best choice, review the terms, APR, promotional period deadline and what happens if you miss a payment. Know what you’re signing up for before committing to a medical credit card.   

FAQs About Medical Credit Cards and Their Alternatives 

How do medical credit cards work?

A medical credit card is a specialty card, offered through participating providers, that you use to pay for care insurance doesn't fully cover. You apply through the provider, and approval triggers a credit check. Most offer promotional financing, but that promo is often deferred interest, not a true 0% APR.

What is the most common medical credit card?

CareCredit, issued by Synchrony, is by far the most widely offered, accepted at many dental, vision and veterinary providers. You might also see ads for the Alphaeon Credit card at your dentist, dermatologist, ophthalmologist or plastic surgeon. They share a similar deferred-interest structure.

Is deferred interest the same as 0% APR? 

No, deferred interest is not the same as 0% APR. Deferred interest means that if you don’t pay off the full amount by the promotional deadline, interest is charged on the original amount, even if you owe only a small balance at the deadline. With a 0% APR, even if you don’t pay off the debt during the promotional period, you’ll owe interest only on the remaining balance, not the full amount.

Is a medical credit card the same as a 0% APR card?

Many medical credit cards use deferred interest: if you don't pay the full balance by the deadline, you're charged interest on the entire original amount, often around 27%. A true 0% APR card only charges interest on what's left after the promo ends.

What is the best alternative to a medical credit card? 

You can choose a provider payment plan, which typically offers 0% interest and a progressive payment schedule to help you pay off your bill. Using your HSA or FSA is a good option, as well as hardship assistance.  

Are medical credit cards worth it?

They can be if the terms are transparent and you can clear the balance before the promo ends. But because of the deferred-interest risk, a provider payment plan, HSA or FSA, or charity care is usually cheaper and safer — worth exploring first.

Do medical credit cards affect your credit score?

Yes. Applying triggers a hard inquiry that can dip your score a few points, and a high balance can raise your credit utilization. Missed payments can hurt your score and, on a deferred-interest card, trigger the full retroactive interest charge.  

Key Terms

• Medical credit card: A card offered through participating providers to pay for medical, dental and vision care.

• Deferred interest: A promo structure that charges interest on the full original balance if you don't pay it off in time.

• 0% APR: A rate where, unlike deferred interest, you owe interest only on any remaining balance after the promo ends.

• Promotional period: The window during which no interest accrues if the balance is paid in full.

• Provider payment plan: An arrangement to pay a medical bill over time, often at 0% interest with no credit check.

• HSA/FSA: Tax-advantaged accounts used to pay eligible medical expenses without new credit.

• Charity care: Hospital financial assistance that may reduce or cover a bill for low-income patients.

• Hard inquiry: A credit check triggered by applying for a card, which can lower your score.

Sources

• Health Affairs Scholar: Medical debt and collections in the United States

• CFPB: Medical bills and your credit

• CFPB: What is deferred interest? 

• IRS: Health Savings Accounts and other tax-favored health plans (Pub. 969) 

• HHS: Hospital financial assistance and charity care 

Summary generated by AI, verified by MoneyLion editors

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