Become a part of the region’s largest provider network. CareFirst is now one of the most devoted health-care providers in the region. When a Practitioner submits a completed, signed, and certified credentialing application and Consent and Release Form, along with copies of their state license, DEA or CDS, malpractice face sheet, and curriculum vitae, the credentialing process begins. Following that, the Credentialing team will do Primary Source Verification (PSV).