Medical Biller for Eclinicalwork

Seeking for experienced medical billers who used Eclinicalwork (ECW) EMR system in the past for billing both professional claims and ambulatory surgery center facility claims, familiar with GI coding is preferred. The job duties include but not limited to all aspect of billing, create claims, appeal, collection and calling patient to collect copayments, and answer billing questions. request good English verbal communication skills and friendly but assertive attitudes for customer services.