Medical credentialing services usually involves gathering information about the physician’s background and qualifications through a formal application that is verified against reliable sources like the National Practitioner Data Bank or the American Board of Medical Specialties.

The Coalition for Affordable Quality Healthcare has offered a uniform MD credentialing program for about 15 years, and this program has been adopted by most payers in the United States.

Typically, when contacted by a hospital, HMO, or employer, physicians are required to answer 800 questions. Information includes items ranging from licensure to practice history in the last five years