Credentialing, Payor Enrollment and Rate Negotiation Experts. STAT MedCare is one of the largest provider of enrollment companies in the U.S. We specialize in the provision of physician credentialing services. Our clients typically do not have the technology, expertise or staff needed to successfully manage the Credentialing Life Cycle. They turn to STAT for ways to improve revenue, reduce costs and improve outcomes. STAT manages the entire credentialing life cycle for its clients, handling the entire process with the exception of signing documents. Whether you are looking for physician credentialing, nurse credentialing, medical staff credentialing, hospital credentialing, or insurance credentialing, our experts can efficiently and effectively cater to all your credentialing needs.