DDE (CWF) Based Eligibility to Cease in April 2013

HIPAA Eligibility Transaction System (HETS) to Replace Common Working File (CWF) Medicare Beneficiary Health Insurance Eligibility Queries.

If you currently use CWF queries to obtain Medicare health insurance eligibility information for Medicare fee-for service patients, you should immediately begin transitioning to the Medicare Health Insurance Portability and Accountability Act (HIPAA) Eligibility Transaction System (HETS).

To read more:

http://www.cms.gov/Outreach-and-Education/Medicare-Learning-Network-MLN/MLNMattersArticles/Downloads/SE1249.pdf

PayerLink allows you to do unlimited eligibility inquiries for a flat fee of $55/month.