Independent Evaluation of Comprehensive Primary Care Plus (CPC+): Appendices to the Final Report, Volume I

Independent Evaluation of Comprehensive Primary Care Plus (CPC+): Appendices to the Final Report, Volume I

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

Ning Fu

Priya Shanmugam

Caroline Mack

Elle Holland

Melanie Au

Breanna Arndt

Eunhae Shin

Lianlian Li

Carol Urato

Anthony Austin

Joel Earlywine

Christopher Fleming

Mariel Finucane

Priya Bajaj

Ha Tu

Kristin Geonnotti

Ann O'Malley

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 appendices to the final report provides detailed information about the data, methods, analyses, and findings from the independent evaluation of the five years of CPC+ for the 2,905 practices in regions that began CPC+ in 2017. Volume 2 of the appendices can be found here.

The final report on the evaluation can be found at Independent Evaluation of Comprehensive Primary Care Plus (CPC+): Final Report, which describes (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. An overview of findings from the Final Report is available in the two-page Findings At a Glance.

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