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The short answer
A parent travelling from Nigeria for planned treatment in the US is normally a self-pay patient, and hospitals usually want an estimate agreed and paid, or a deposit made, before scheduled care. Under federal rules an uninsured or self-pay patient who books at least three business days ahead is generally entitled to a written good faith estimate, and the visa application needs the diagnosis, the US provider's letter and proof the costs are covered.
Planned treatment and emergencies are treated differently
The single most important distinction is whether the care is planned. Visitor health policies commonly exclude pre-existing conditions and planned treatment (read the policy wording), so a parent coming specifically to see a US specialist should expect to pay the full self-pay price. Emergency care is different: under EMTALA, as CMS explains it, a Medicare-participating hospital with an emergency department must give a medical screening examination and stabilising treatment, or an appropriate transfer, regardless of ability to pay. That is an obligation to treat, not to treat for free; the bill still follows.
The visa evidence for medical treatment
A parent coming for treatment applies for a B-2 visitor visa. The State Department's visitor visa page lists what a medical-treatment applicant should show:
- A medical diagnosis from a local doctor explaining the condition and why treatment in the US is needed.
- A letter from the US doctor or hospital setting out the treatment, its expected length and cost.
- Proof that transport, medical and living expenses will be paid, by the patient or by someone else.
That third point is where you, as the child in the US, come in. A hospital estimate, an invoice showing a deposit paid, and your own statements are the kind of evidence that answers it.
How self-pay pricing works
The good faith estimate
CMS's patient guidance, last modified on 5 October 2026, says that if you are not using insurance, the provider generally must give a good faith estimate of expected charges when you ask for one or when you book at least three business days ahead. Booked three to nine business days ahead, the estimate is due within one business day; booked ten or more business days ahead, within three. Care booked less than three business days ahead does not carry that right. The estimate should list the expected charges for the scheduled items and services.
Deposits and international patient offices
Many large US hospitals run an international patient office that quotes a package price and asks for payment, or a large deposit, before admission. No federal page we found sets those deposit amounts; they are each hospital's own policy. Ask for the following in writing:
- What the quote covers: surgeon, anaesthesia, facility, imaging, pathology, follow-up visits.
- What it does not cover, and how extra days or complications are billed.
- The deposit required, when, and the payment method (wire, card).
- The refund rule if treatment is cancelled or comes in under the estimate.
A worked example
Example only, with invented figures. Bola in Maryland is bringing her father from Abeokuta for a scheduled procedure. The hospital's international office quotes $38,000 for the procedure and two nights, and asks for the full amount before the date. Separately, she budgets:
| Item | Example amount |
|---|---|
| Hospital package | $38,000 |
| Pre-operative consultation and tests | $2,500 |
| Follow-up visits and medicines | $1,800 |
| Return flight | $1,400 |
| Visitor visa fee | $185 |
| Total | $43,885 |
She asks for a good faith estimate covering the consultation and tests too, and keeps both estimates with the visa documents. Because the procedure is planned, she does not rely on travel insurance to cover it; she buys a visitor policy for unrelated emergencies during the stay.
Paying the hospital, and US tax
Pay the hospital directly rather than giving your parent money to pay. The IRS's Form 709 instructions say the gift tax does not apply to an amount paid on behalf of an individual to a person or institution for medical care, and that the payment must be to the care provider. Paying the hospital yourself keeps that exclusion simple and leaves a clean record. Gift tax is information here, not advice; ask a tax adviser about your own case.
Before your parent travels
- Get the Nigerian doctor's written diagnosis and referral, dated and signed.
- Get the US provider's letter: treatment, expected length and cost.
- Ask for the good faith estimate in writing, and for the international office's quote, and compare them.
- Agree how any balance after treatment will be billed, and to whom.
- Buy a visitor policy for unrelated emergencies, and read what it excludes.
- Carry copies of all of these, with proof of payment, in hand luggage.
If the final bill is far above the estimate, ask the provider for an itemised bill and an explanation line by line before paying the difference.
Where Pryme fits
Treatment costs in the US are paid in dollars from your US accounts. Where costs fall in Nigeria (tests before travel, follow-up after return), you can pay from a multicurrency account and keep a receipt for each payment. See also visitor health insurance for parents, paying for surgery in Nigeria from the US and the money side of a parent's visit.
Questions people ask
Will a US hospital treat my mother if she has no insurance?
In an emergency, a Medicare-participating hospital with an emergency department must screen and stabilise her regardless of ability to pay, per CMS's EMTALA page. Planned treatment is at the hospital's discretion and usually requires payment or a deposit first.
How do I get the price of US treatment for my father before he travels?
Ask the hospital's international or self-pay office for a written quote. If you book at least three business days ahead as a self-pay patient, CMS says you are generally entitled to a good faith estimate.
Does visitor insurance cover planned treatment?
Usually not. Visitor plans commonly exclude pre-existing conditions and planned care; read the policy wording before relying on it.
What documents does my parent need for a medical B2 visa?
The State Department lists a local diagnosis, a letter from the US provider with treatment, length and cost, and proof that medical, travel and living costs will be paid.
Sources
- CMS: Good Faith Estimate (medical bill rights) · accessed Oct 2026
- CMS: Emergency Medical Treatment and Labor Act (EMTALA) · accessed Oct 2026
- US Department of State: Visitor visa · accessed Oct 2026
- IRS: Instructions for Form 709 (2025) · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.