-10. Beware this company. They are VERY slippery. I was in the hospital for 10 days early 2018. I got out and received bills from the hospital and many other vendors. I NEVER received a bill from Northern Colorado Anesthesia Professionals - not one. (They have been reported to the CO. Attorney General). BAS is the collector for NCA. They contacted me via phone. (never received a written statement/bill from them either). I spoke with a man named Russo who called me a liar on the phone when I mentioned the Fair Credit Act - there is a Federal one and a Colorado-specific act - the act delineates what companies CAN and CANNOT do. They CANNOT collect a bill when a customer never received one. The onus is on the company to ensure the customer or client receives a bill. Not too hard to understand. If bill statement has not been received, the collection clock gets set back to 0. That's the LAW and this company needs to follow it. BAS is entirely unethical and will also be reported to the AG for their collection practices. Don't be afraid to pick up the phone and report this business! You will be helping other consumers avoid companies like this that use slippery tactics to achieve their goals.