Email received from : CHC.Contracting@communityhealthchoice.org  Sub : Enrollment & Location Status Query - NASA UrgentCare - Community Health Choice  Good Afternoon Brad,  In order to assist with the demographic update, we ask that you submit a formal written request on letterhead. Make sure to provide the office/fax number for the additional service location. If there is a change in the billing address, we will need a W-9 dated in 2021.  Should you have questions or need further assistance, feel free to advise.  Best Regards, Contracting Dept. 