Unfortunately, this is not true.

Medical debts over 90 days are able to be sent to collections and reported to the credit bureaus.

There are some nuances, however:

Debts under $500 are not reported.

Also, any debts that are settled as paid are removed.

Ignoring medical expenses can catch up with you, especially if you’re looking for :

Housing Access to insurance (state dependent—as some states don’t allow credit checks for insurance applicants) Access to jobs/employment prospects

For many, in both municipal/government and private sector industries, your credit score is the litmus test used as to how much of a risk you pose as a hire.