Inclusion Criteria:  Newly diagnosed with myeloma or Initiating lenalidomide maintenance therapy after transplant or transplant ineligible patients that are started on lenalidomide until progression or intolerance. Myeloma diagnosis (International Classification of Diseases, Tenth Revision, Clinical Modification [ICD-10-CM] codes:vC90.00 or associated diagnosis ) Prescription for lenalidomide Planned or Currently treated with lenalidomide as part of a treatment regimen for newly diagnosed myeloma Renal function assessed by calculated creatinine clearance as follows (see Appendix: Cockcroft-Gault estimation of CrCl):  Subjects must have calculated creatinine clearance ≥ 30ml/min by Cockcroft-Gault formula. (See Appendix C). Dosing for patients with creatinine clearance between 30ml/min-60ml/min will be based on lenalidomide package insert.  Total bilirubin 1.5 x ULN AST (SGOT) and ALT (SGPT) 3 x ULN. All study participants must be registered into the mandatory Revlimid REMS® program, and be willing and able to comply with the requirements of the REMS® program. Females of reproductive potential must adhere to the scheduled pregnancy testing as required in the Revlimid REMS® program. Able to take prophylactic anticoagulation such as aspirin, warfarin, low molecular weight heparin or direct oral anticoagulant. Personal Computer with internet Capability.  Exclusion Criteria:  < 18 years of age as of the index date Newly diagnosed with myeloma and not started on lenalidomide Known hypersensitivity to thalidomide or lenalidomide (if applicable). The development of erythema nodosum if characterized by a desquamating rash while taking thalidomide or similar drugs. Known seropositive for or active viral infection with human immunodeficiency virus (HIV), hepatitis B virus (HBV) or hepatitis C virus (HCV). Patients who are seropositive because of hepatitis B virus vaccine are eligible. Females who are pregnant.