Payment processing is one of those line items that most healthcare practices set up once and never revisit. You pick a processor, you start accepting cards, and the monthly statement becomes background noise. But for many practices, that inattention is costing real money — often hundreds or thousands of dollars per month in unnecessary fees.

This post breaks down the most common ways healthcare practices overpay for merchant services, what pricing models actually work in your favor, and what to look for in a processor that understands the healthcare environment.

The Problem: Flat-Rate and Tiered Pricing

Most small and mid-size practices end up on one of two pricing structures: flat-rate or tiered. Both sound simple, and that simplicity is exactly the problem.

Flat-Rate Pricing

Flat-rate processors (think Square, Stripe, or similar) charge a single percentage on every transaction — typically 2.6% to 2.9% plus a per-transaction fee. For a retail coffee shop processing small tickets, this can be fine. For a medical practice processing larger payments — copays, deductibles, procedure fees — the math gets painful fast. A $500 payment at 2.75% costs $13.75 in processing fees. At true interchange cost, that same transaction might cost $6–8.

Tiered Pricing

Tiered pricing groups transactions into "qualified," "mid-qualified," and "non-qualified" buckets, each with a different rate. The problem is that processors control which bucket your transactions fall into — and they have a financial incentive to push transactions into higher-cost tiers. Rewards cards, corporate cards, and manually keyed transactions often land in the most expensive tier, and the statement gives you almost no visibility into why.

The Solution: Interchange-Plus Pricing

Interchange-plus (also called cost-plus) pricing is the most transparent model available. Here's how it works: Visa, Mastercard, and the other card networks set interchange rates — these are fixed, published, and the same for every processor. Your processor then adds a fixed markup on top. That markup is your actual processing cost.

With interchange-plus, you see exactly what the card network charged and exactly what your processor charged. There's no bucketing, no hidden tier manipulation, and no surprises. For most healthcare practices processing $50,000 or more per month in card volume, switching to interchange-plus pricing produces meaningful savings.

Healthcare-Specific Considerations

HSA and FSA Card Acceptance

Health Savings Account (HSA) and Flexible Spending Account (FSA) cards are increasingly common — and patients expect to use them. Not all processors handle these correctly. Your terminal and payment system need to be configured to accept these cards and properly code the transactions so they aren't declined at the point of service. A processor with healthcare experience will have this dialed in.

Recurring Payments and Payment Plans

Many practices offer payment plans for larger balances. Your merchant services setup needs to support recurring billing, stored payment credentials, and patient-facing payment portals — all with proper security and PCI compliance. Generic retail processors often fall short here.

Telehealth and Virtual Payments

If your practice offers telehealth services, you need a virtual terminal or integrated payment link that works for remote transactions. This is a standard feature for healthcare-focused processors but an afterthought for many general-purpose solutions.

What to Look for in a Healthcare Merchant Services Partner

• Interchange-plus pricing with a clear, fixed markup — no tiered or flat-rate structures
• Transparent monthly statements that show interchange costs separately from processor markup
• HSA/FSA card acceptance properly configured out of the box
• Support for recurring billing and patient payment plans
• Virtual terminal capability for telehealth and phone payments
• No long-term contracts or early termination fees
• A real person you can call — not just an 800 number or chat bot
• PCI compliance support and data security standards appropriate for healthcare

The Hidden Cost of Staying Put

The biggest barrier to switching processors is inertia. Practices assume the transition will be complicated, that their staff will need retraining, or that something will break. In reality, most transitions take a few days and involve swapping terminals and updating a few settings. The ongoing monthly savings far outweigh the one-time effort.

Nu Endeavors handles the transition process for you — we review your current statements, identify exactly where you're overpaying, and provide a side-by-side comparison before you commit to anything. There's no obligation and no pressure.