Good question. The players club at Bill's Gamblin' Hall & Saloon is one of those rare instances of a property maintaining its own separate rewards system, following its incorporation into a corporate casino group, in the same way that Circus Circus' "Circus Players Club" has never been integrated into M Life, or its previous incarnation, and just as it took a long time before Imperial Palace's players club was finally integrated into Caesars Entertainment's Total Rewards program.
To find out the answer to your question, we called over to the players club at Bill's which, appropriately enough, is called Bill's Players Club, and here's the lowdown. Bill's is set to close Feb. 4, 2013 (the last bookings are being taken for Feb. 3), in anticipation of a major remodel that will see the property emerge with a whole new identity sometime in 2014. If, when the property closes, you have a balance of $6 or more on your card, those points will be transferred to your Caesars Ent. Total Rewards account, assuming you have one. It's not necessarily an automated procedure -- our understanding is that you will need to go to any one of the CE casino players club desks in Las Vegas and activate the "foreign" credits from your defunct Bill's account, which will then be incorporated into your Total Rewards balance.
If you have less than $6 in points on your Bill's card, either use 'em or lose 'em -- they will evaporate once the property closes, so you've got just under a week to find something to spend that last couple of bucks on.
