Medical Billing Contract Terms Explained, Clause by Clause

A medical billing contract is the agreement that sets what a billing company does for your practice, what it is paid and on what base, how long the agreement runs and how it ends, who owns the claim and payment data, what happens to unpaid claims when you leave, and how patient information is protected under a HIPAA Business Associate Agreement. The fee gets the attention in a sales call. The clauses that decide what a bad year costs you are the fee base, the renewal date, the termination terms and the data handover.

Below is every clause worth reading, what a fair version looks like, and what ClaimCarePro does, using only terms we already publish on our pricing page. You do not have to choose us. Any billing company should be able to fill in the third column for itself just as plainly.

Updated 2026-10-23. Not legal advice; have your attorney review any agreement before you sign.

The fee base is the single most important definition in a medical billing contract, because the same percentage can mean very different money. A fee on collections is charged on payments that actually arrived. A fee on charges (also called billed charges or gross charges) is charged on the price your practice puts on the claim, a number you set yourself that has no fixed relationship to what payers pay. A third version, a fee on “posted” amounts, can include adjustments if the term is not defined.

On a hypothetical month with $100,000 billed and $40,000 collected, 6% of collections is $2,400. A quote of 4% of charges sounds cheaper and comes to $4,000, owed whether or not the claims are ever paid. Ask for this sentence in the contract: fees are a percentage of payments actually received and posted, net of refunds, and no fee is charged on billed charges.

Two more lines belong next to the base. First, the minimum: ours is $1,000 a month, which only matters in a month under $16,667 collected. At $12,000 collected, 6% is $720, so the minimum is what you would pay. Second, the full fee schedule: every service inside the percentage and every service billed separately, with its price. Our in-house vs outsourced comparison lays the percentage against an in-house biller’s full cost with your own numbers.

A fair caution about percentage pricing, ours included: the HHS Office of Inspector General’s compliance guidance for third-party billing companies records a “longstanding concern that percentage billing arrangements may increase the risk of upcoding.” The answer is not to avoid percentage pricing; it is to keep coding tied to the documentation and to keep an audit right in the contract so you can check.

The practice owns its claim, payment and patient data, and the contract should say so in a way you can enforce: named export formats, a delivery deadline, no charge, and the right to ask at any time, not only at termination. The export that matters is complete claim history with status, the raw 835 electronic remittance files, appeal letters and payer correspondence, and the A/R aging at claim level.

HIPAA backs you up. The Business Associate Agreement must require the vendor to return or destroy patient information at termination where feasible (45 CFR 164.504(e)(2)(ii)(J)), and HHS guidance says a business associate that blocks a practice’s access to resolve a payment dispute has made an impermissible use of that information. That protects the data from being held hostage. It does not make the handover fast or put it in a format your next biller can use; only the contract does that.

The simplest protection is a biller that works inside your own system. We work in the EHR and practice-management software you already use, so the record never lives only in ours.

A medical billing company is a HIPAA business associate, because HHS’s definition names billing and claims processing among the functions that make a vendor one (45 CFR 160.103), so your practice needs a signed Business Associate Agreement before any patient data moves. Under 45 CFR 164.504(e)(2), the BAA must:

• set the permitted uses and disclosures, and bar any others;
• require appropriate safeguards, including the Security Rule for electronic data;
• require the vendor to report any unauthorized use or disclosure, including breaches; a business associate must notify the practice of a breach without unreasonable delay and no later than 60 calendar days after discovery (45 CFR 164.410(b));
• flow the same terms down to any subcontractor that touches the data;
• support patient access, amendment and accounting-of-disclosures requests;
• open the vendor’s books and records on that data to HHS;
• require return or destruction of the data at termination, where feasible;
• let the practice terminate if the vendor violates a material term.

Two practical checks. Ask who the vendor’s subcontractors are (offshore staff, clearinghouse, software hosts) and whether each has signed down-stream terms. And read the BAA’s termination section beside the main contract’s data clause; they should say the same thing about how and when your data comes back. A vendor’s word that it “follows HIPAA” is not the agreement. We sign a Business Associate Agreement before any data changes hands, including for the free audit.

1. What exactly is your percentage charged on? Listen for “payments received”. Anything else needs a defined term.
2. What does it cost to leave, and how much notice? Ask for the renewal date, the notice days and any exit fee as numbers.
3. On day one after I give notice, who works my unpaid claims, and for how long? If the answer is not in the contract, it is not an answer.
4. If you collect nothing in a month, what do I owe? This exposes the minimum and any fixed fees.
5. How many business days to a full data export, and in what format?
6. Show me a real monthly report. Denials by reason, A/R by payer and aging bucket, collections by provider.
7. What is priced outside the percentage? Patient statements, credentialing, software, old A/R, appeals.
8. Where do insurance payments deposit, and who signs the BAA?

Our written answers: collections; month-to-month and cancelling costs nothing; old A/R on a 10% contingency, nothing collected, nothing owed; $1,000 minimum in a month under $16,667 collected; patient statements inside the 6%; credentialing at published flat prices; payments to your account; BAA signed before any data changes hands. Before any of that, we start with a free billing and A/R audit: 90 days of claims and your aging report, the denial patterns, and what is still recoverable.