Independent Evaluation of Comprehensive Primary Care Plus (CPC+): Final Report

Independent Evaluation of Comprehensive Primary Care Plus (CPC+): Final Report

Published: Dec 15, 2023
Publisher: Mathematica
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Associated Project

Evaluating the Nation's Largest Primary Care Delivery Model: Comprehensive Primary Care Plus (CPC+)

Time frame: 2016–2023

Prepared for:

U.S. Department of Health and Human Services, Centers for Medicare & Medicaid Services

U.S. Department of Health and Human Services, Center for Medicare & Medicaid Innovation

Authors

Ann O'Malley

Ning Fu

Kristin Geonnotti

Ha Tu

Priya Shanmugam

Katie Morrison Lee

Melanie Au

Eunhae Shin

Laura Hanson

Rachael Edelson

Priya Bajaj

Jan Genevro

Katie Booth

Lianlian Lei

Anthony Austin

Jacob Thomas

Saumya Chatrath

Jasmine Little

Key Findings
  • While CPC+ reduced emergency department (ED) visits, acute inpatient hospitalizations, and acute inpatient expenditures, these reductions were not sufficient in either track to reduce total Medicare expenditures or achieve net savings, after accounting for increased expenditures in other areas, such as physician services, inpatient rehabilitation, and hospice, and enhanced CPC+ payments.
  • We did not observe any systematic differences in primary outcomes between Track 1 and Track 2 practices despite greater funding and care delivery requirements for Track 2 practices.
  • Independent practices and those participating in the Medicare Shared Savings Program (SSP) at baseline tended to have more favorable results.
  • CPC+ practices cited care management fees as the most useful type of CPC+ payment support they received, used primarily to fund the salaries of care managers, behavioral health care providers, and other staff to improve care delivery.

The Independent Evaluation of Comprehensive Primary Care Plus (CPC+): Final Report to CMS covers the five years of CPC+ for the 2,905 practices in regions that began CPC+ in 2017. The report examines (1) engagement in CPC+ by payer partners and health IT vendors and participation by practices; (2) the supports practices received; (3) how practices implemented CPC+ and changed the way they delivered health care; and (4) the impacts of CPC+ on cost, service use, limited claims-based quality-of-care outcomes, and patient experience for attributed Medicare fee-for-service beneficiaries over the five years of the model.

An overview of findings from the final report is available in the two-page Findings At a Glance.

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