I AM A PROVIDER AND OUR BCBS REPRESENATIVE HAS NOT RESPONDED TO US IN MONTHS!

I AM WITH A PROVIDER OFFICE AND WE HAVE SEVERASL ISSUES THAT WE NEED ASSISTANCE WITH. OUR BCBS PROVIDER REPRESENTATIVE CYNTHIA SMYTHE HAS STOPPED RESPONDING TO OUR EMAILS. WE HAVE NOT  HEARD FROM HER IN MONTHS. IF SHE IS NO LONGER A BCBS REPRESENTATIVE, I NEED TO KNOW WHO OUR NEW ASSIGNED REPRESENTATIVE IS. PLEASE ADVISE! THANK YOU!