Looking for an AR Caller cum Analyst

I need a person who knows about Medical Billing AR Follow up on claims and also the person needs to take action on claims and appealing on denied claims for atleast 50 claims per day
The agent needs to know on under paid claims and also have them appealed on for low payment if needed.
Daily reports on work done needs to be sent via email along with action taken
Pay by the day will will be based on Daily count completion.
Project will be around 15-20 days everymonth and is reoccuring everymonth.