A practice doing $1M a year hands its card processor $25,000–$35,000 of it — quietly, in basis points nobody reads. Payment processing is the least glamorous decision in the tech stack and one of the few where an hour of negotiation returns five figures annually, forever. Here’s how the pieces fit and where the money leaks.
Know what you’re actually paying
Typical veterinary processing runs 2.5%–3.5%, with some practices paying 3%–4% — and the spread between those numbers, on veterinary volume, is thousands per year. Two disciplines when comparing offers: demand the effective rate (total monthly fees ÷ total volume — the only honest number, since quoted rates hide interchange tiers, monthly fees, and card-type games), and re-shop it every couple of years once you have volume leverage. Startup reality: you’ll accept an okay rate to open; calendar the renegotiation for month 18.
Integrated vs. standalone
An integrated processor talks to your PIMS: the invoice total flows to the terminal, the payment posts back automatically, and end-of-day reconciliation matches itself. A standalone terminal is retyped by hand — and every retype is a chance for the $423.50 invoice to become a $432.50 charge. Integration is worth a modest rate premium for the reconciliation time and error elimination alone; most PIMS vendors offer or partner for it (distributor and PIMS ecosystems now bundle payments with major processors). Just don’t let “integrated” excuse an uncompetitive effective rate — the integration is a feature, not a license to overcharge. Modern must-haves regardless of processor: contactless/tap, cards-on-file with stored consent (deposits, no-show fees, phone payments), and text-to-pay / email-to-pay — which does real work in veterinary flows: the discharge invoice paid from the lobby, the phone-approved treatment paid mid-hospitalization, the balance settled without an awkward counter moment.
Surcharging: legal-ish, tempting, handle with care
Passing the fee to card users is increasingly common — a ~3% electronic fee on credit transactions, not applied to cash, check, debit-with-PIN — but three cautions before you copy it. Law: several states (California, Connecticut, Maine, Massachusetts among them) prohibit credit surcharges, card-network rules add notice requirements, and rules change — verify current state law first. Carve-outs: financing cards like CareCredit cannot be surcharged under merchant agreements, and debit is treated differently. Optics: a surcharge is a price increase clients see itemized; for a new practice building goodwill, building the cost into your fee schedule (see the fee guide) is often the smarter version of the same economics. If you do surcharge, disclose clearly and configure it correctly — platforms increasingly automate compliant surcharging.
Client financing: the other half of payments
Large treatment plans die at the counter without a financing path. The established options: CareCredit — the healthcare credit card most clients already recognize, with promotional-period plans — and Scratch-style point-of-need payment plans, plus in-house wellness-plan recurring billing (see the wellness-plan guide). Two rules make financing work: offer it before the estimate conversation goes sideways — as a standard option presented with every large estimate, not a rescue — and script the front desk on it (the CSR who can explain financing in two sentences saves treatment plans the DVM never hears about). The practice absorbs a merchant fee on financed transactions; treat it as the cost of the medicine happening at all.
Setup checklist for opening
Effective-rate quotes from 2–3 processors including your PIMS’s integrated option · terminals at checkout and treatment (hospitalized-patient payments shouldn’t require the lobby) · text-to-pay live and tested · cards-on-file consent language in your new-client forms · financing applications bookmarked on every front-desk workstation and mentioned in your estimate template · reconciliation procedure written into the daily close SOP (and the embezzlement-controls guide — payments and refunds are where internal theft lives). This article is general information, not legal or financial advice — surcharge law varies by state and changes; verify before implementing. Sources: Scratch — Veterinary Payment Processing & Financing · Scratch — What High Processing Fees Cost Your Practice · PayJunction — Credit Card Surcharges for Veterinary Clinics · Veterinary Practice News — Should You Implement Surcharges? · CareCredit — Veterinary Provider FAQs · Covetrus Payments