Co-Parent Won't Pay Their Share of Medical Bills? How to Document It
Reviewed by Jacob Reed, founder of Verity ·
Short answer
Check what your order says about splitting the children's uninsured medical costs and any deadline. For each expense keep the bill, the insurance statement and your proof of payment, and ask for their share in writing with copies attached. Track every expense in one ledger with what was asked and what was paid. That ledger, with the messages showing your requests and their answers, is what a court can enforce.
One parent wrote that she had more than 500 receipts from ten years of unpaid half medical bills and didn't know where to start. A shoebox of receipts is hard for anyone to act on. A one-page ledger, with the proof behind each line, is not.
What are the steps?
1.Find the rule in your order
Look for the section on uninsured or unreimbursed medical expenses: the split (often 50/50 or by income), what counts (co-pays, dental, therapy, glasses), and any deadline for sending bills or paying. Everything else follows that rule.
2.Gather the proof for each bill
For every expense keep the bill or receipt, the insurance explanation of benefits showing what insurance did not pay, and your proof of payment (card statement, receipt, cancelled check). One expense, one small bundle.
3.Ask in writing, every time
Send each request the same way your order says (or by text, email or your co-parenting app): the date of care, what it was, the amount, their share, and a copy of the proof. Keep it short and factual.
4.Keep a running ledger
One line per expense: date of care, provider, total, insurance paid, amount owed by the other parent, date you asked, date and amount paid back. Add a running total at the bottom.
5.Save their answers
Replies like "I am not paying that", no reply at all, or partial payments are part of the record. Export the whole conversation rather than screenshotting pieces of it.
6.Take the ledger to your lawyer or the court
A dated ledger with the proof behind each line is what a motion to enforce is built on. Ask a family law attorney, or your court’s self-help center, how to file in your state.
What if I have years of old receipts?
Start with the most recent year and work backwards. Sort each year into one folder, list each expense in the ledger as you go, and mark the ones where you can't find proof of payment or a request you sent. How far back you can recover depends on your state's rules and on whether you asked at the time, so ask a lawyer before spending weeks on the oldest years. Your insurer and the providers can usually send statements you're missing.
What should the request say?
Keep it boring and complete: "On March 3, Sam had a dental filling. The bill was $240; insurance paid $140, leaving $100. Under our order your share is half, $50. The bill and insurance statement are attached." No commentary about past bills or the other parent. If the order names a way to send bills (mail, email, a co-parenting app), use that one.
Does a co-parenting app help?
Yes. Apps like OurFamilyWizard and TalkingParents have expense features that log each request, the receipt and whether it was paid, with dates the other parent can't dispute. See what co-parenting app expense logs can show. If the other parent won't share the children's medical information in the first place, see getting medical and school records yourself.
What can a court do?
When a parent doesn't pay what the order says, the other parent can usually ask the court to enforce it, often through a motion to enforce or for contempt. A court may order the amount paid, set a payment schedule, and in some cases award costs. In some states the child support agency can also help enforce medical support. What is available depends on your state and your order, so bring the ledger to a family law attorney or your court's self-help center.
How can Verity help?
The requests, the "I'm not paying for that" replies and the silences are usually spread across months of texts. Verity turns the exported conversation into a numbered list of every message in date order, so each line in your ledger can point to the message where you asked and the answer you got. The file is read in your browser and is not uploaded. It is supporting documentation, not a legal finding.
This is general information, not legal advice. Child support and medical expense rules differ by state and by order. Verity is not a law firm. Talk to a family law attorney about your situation.
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