The only insurance that is detailed is the Obamacare/ Marketplace insurance. You merely indicate full year coverage to inform the government that you also had insurance another way during part of the year- insurance information is not provided by you.
As far as how to navigate through the Health Insurance screens:
- You indicate that you had insurance all year on the first screen.
- You then say "Yes" to the question "Was anyone enrolled in any of these less common plans in 2016?" so that you can enter your 1095-A for the Obamacare.
- You enter your 1095-A, so the tax credit can be properly calculated for the time you had Obamacare
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You are done.
You don't enter insurance information for non-Obamacare plans. The government only wants to know if you were insured. You do not enter your payments for Medicare, private insurance, etc., as the Health Insurance section of the program only wants to know that you were insured and if and when you got Obamacare. It doesn't require plan info on non-Obamacare, and there's no way for you to provide it.
To enter medical expenses related to Blue Cross, go to Federal Taxes-Deductions and Credits- Medical.
Do not enter your medical expenses anywhere if you had a pretax arrangement through an employer.