f you’re a doctor or a merchant that sells medical equipment or supplies, you probably have to consider that patients and customers may want to use an HSA (Health Savings Account) or FSA (Flexible Savings Account) to pay. Perhaps you’ve been considering switching to PayArc,but aren’t sure if you will still be able to accept these forms of payments.Good news—you will! If your practice or business falls under one of the following MCCs, you will be able to accept HSA and FSA.