This document discusses who may certify medical necessity and who may order admission. Certification of medical necessity and admission orders may involve one person (who orders and certifies ...

42 U.S.C. §1395y(a)(1)(a). Thus, physicians and medical providers who seek reimbursement under Medicare generally must “certify the necessity of the services and, in some instances, recertify ...

The ordering practitioner makes the determination of medical necessity for inpatient care ... the physician who signs the certification. Please see section (B)(3) for a discussion of the ...