National and Geographic Trends in Medicare Reimbursement for Pain Management 2014-2023.

Background: Increasing enrollment in Medicare has coincided with reductions in reimbursement for various procedures, including interventional pain procedures. No previous analysis of state-to-state differences in Medicare reimbursement rates for practicing pain management physicians has been performed.

Objective: To quantify recent national and geographical trends for interventional pain procedures.

Study design: This study used datasets from the Centers for Medicare and Medicaid Services to identify the top 10 highest-grossing Current Procedure Terminology (CPT) codes for pain procedures and for evaluation and management (E/M) from 2014 to 2023. Data analysis took place during May 2023.

Methods: Primary outcomes were calculated inflation-adjusted rates of yearly percent change (YPC) for each CPT code, state, territory, and U.S. Census region. An independent samples t-test compared the national YPC rates of procedure to those of E/M reimbursement. Medicare reimbursements throughout the United States for interventional pain procedures and clinic evaluations were measured from 2014-2023.

Results: From 2014 to 2023, inflation-adjusted Medicare reimbursement for interventional pain procedures decreased yearly by an average of 3.63%. In comparison, clinic evaluation reimbursement decreased by only 0.87% yearly and was significantly different from procedure reimbursement (P < 0.001). Pain management procedure reimbursement decreased the most in Illinois (-4.26%), Wyoming (-3.88%), Wisconsin (-3.87%), Nevada (-3.83%) and Kansas (-3.82%). Meanwhile, rates for Puerto Rico (-1.94%), Massachusetts (-3.24%), Washington (-3.31%), New York (-3.39%), and West Virginia (-3.47%) decreased the least. When states were grouped into U.S. Census regions, no significant regional differences in pain management procedure reimbursement changes could be observed.

Limitations: Only the facility prices of the top 10 highest-grossing procedure and E/M CPT codes that had available data for 2014 to 2023 could be included in our analysis; trends for private insurance reimbursement could not be analyzed.

Conclusions: Medicare reimbursement rates for interventional pain procedures have decreased from 2014 to 2023, both nationally and in each region of the U.S. Our analysis suggests that certain states and territories have experienced less favorable reimbursement trends than others. This issue is worthy of attention as larger proportions of the U.S. population become eligible for Medicare coverage; should these trends continue, interventional pain physicians may consider moving their practices to areas that are less affected. Major efforts are required to preserve the quality of care that Medicare beneficiaries receive and to remedy the problem of depreciating reimbursement.