You're very welcome.
Make sure you're looking at your current loan. The servicer should show as the one you have now.
Regarding the lates in 2015, I'm sorry, there's nothing you can do if you didn't already get a forbearance. The somewhat good news is that despite them, if you work at all other areas of your credit score, there is nothing stopping you from getting above a 750. And then when the lates fall off you will get a huge boost.
For the period that you got the forbearance definitely do a dispute with the CBs and send the letters. You might even get try separately doing the same with the disability periods. Couldn't hurt.
I think you said you consolidated, and were on a Forbearance recently while you were on disability. This actually works out great, but you have to act soon. I assume your income from disability was limited.
What I would do if I were you I'd apply for an Income-driven repayment or IDR plan. The most common are the Income-based repayment plan and REPAYE. The payments are based on your income and can be very low, as low as $0. Forgiveness in 20 years. You can get a rough estimate using their calculator. If you sign in it automatically fills in your loans.
Repayment Estimator
https://studentloans.gov/myDirectLoan/repaymentEstimator.actionWhen you fill out the application online, it will link you to the IRS. Alternatively, you can fill out the application and send it to them via upload or some servicers by email. You would do this if you can get a lower payment through alternative income documents, such as a paystub or disability paperwork (don't forget to also write the frequency that you get the payment on the scanned copy) thats your monthly payment. That's why I said right away; you should be able to use your Dec disability amount. Whatever is lowest because the payment they calculate will be good for a year, even if your income increases. If you do the paper application and upload it, best to print it, sign it and scan it/ take a picture.
The same is true if you are already on the plan. If your year is not up, but you have a low pay period or month, just recertify early and they will use this information to calculate a new payment that will be good for another full year. You are not required to report if your pay goes up. This is straight from the IDR payment let you get.
When you have a Forbearance nothing reports. Even if your IDR plan payment is $0, it reports as a good payment history every month. It will help your report and therefore you score.
Hope this helps. Any more questions? :-)