CMS-1450-Uniform Institutional Provider Bill. (This form is for institutional provider billing for Medicare inpatient, outpatient and home health services.)
CMS-1490S-Request for Medicare payment. (For use by a patient to request payment for medical expenses.)
CMS-1500-Health Insurance Claim Form. (For use by physicians and other suppliers to request payment for medical services.)
CMS-1660-Request for Information-Medicare Payment for Services to a Patient now Deceased. (For use in requesting amounts payable under title XVIII to a deceased beneficiary.)
42 C.F.R. §424.32