To write a letter requesting help with hospital bills, start with a polite greeting and introduce yourself, mentioning your situation briefly. The document provides two sample request letters asking for financial assistance to pay hospital bills.Customer: Hello, I just received a letter in the mail stating that my hospital is suing me for unpaid medical bills. I have been making minimum payments. Copy and paste our template letter and fill in your details. Charity care and medical financial assistance are available for patients with limited or no resources and inadequate medical insurance coverage. Here's how you can write an effective collection letter that comes off professionally and decreases your outstanding debt. How to Apply for Financial Assistance. Print and fill out or download and fill out the Financial Assistance Application. There are solutions and alternatives that can and should be pursued when seeking financial assistance for medical bills.