The main issue that comes up with a threshold is this: you can only receive up to 75% of your Medicare billings for that year as an incentive.
So, for example, if her first year incentive is $15,000 (the amount for a first year attestation, when you start in 2013), then her Medicare collections in that year must be $20,000 to receive the full $15k. Otherwise, it will be prorated downward.
