Question: Are there any resources available to help folks navigate the Center for Medicare & Medicaid Services (CMS) Comprehensive Error Rate Testing (CERT) program? Washington, D.C. Subscriber Answer: If you’re stumped by CERT updates and are searching for all the latest and greatest on the program, look no further than the helpful CERT C3HUB. CMS created the CERT C3HUB in January 2021 “to provide Medicare providers, suppliers, and contractors with information about the Comprehensive Error Rate Testing (CERT) Program and to facilitate coordination, collaboration, and communications between all stakeholders,” the website says. All the Medicare Administrative Contractors (MACs) link to the tool and some of the top features include: Resource: Find the CERT C3HUB at https://c3hub.certrc.cms.gov/.