Remember, preventative care is now FREE. Upside of Obamacare.
Hard part: Most Medical Providers have NOT updated their billing to reflect that change. Many are still Balance Billing on top of that.
YOU MUST BE AN ACTIVE PART of your health care. Bills that go to collections hurt YOU, and no one else.
Review your invoices from the Doc's office. Ask questions. Get nasty and drop the "L" word, or mention the "DOI". Sucks, but fear of loss is a great motivator.