Comment letter on proposed CMS Clinician-Level and Clinician Group-Level Total Hip Arthroplasty and/or Total Knee Arthroplasty (THA and TKA) Patient-Reported Outcome-Based Performance Measure (PRO-PM) Nov 17, 2021 Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Please enter an answer in digits:4 × three = Δ