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. Author manuscript; available in PMC: 2021 Jan 7.
Published in final edited form as: Semin Dial. 2020 Jan 7;33(1):26–34. doi: 10.1111/sdi.12852

Table 2:

Changes to the Merit-based Incentive Payment System and Advanced Alternative Payment Models over Time

MERIT-BASED INCENTIVE
PAYMENT SYSTEM
2018 2019 2020 2021 2022+
Composite Score Weights *
- Quality 50% 45% 40% 35% 30%
- Cost 10% 15% 20% 25% 30%
- Improvement Activities 15% 15% 15% 15% 15%
- Promoting Interoperability 25% 25% 25% 25% 25%
Payment Adjustments - ± 4% ± 5% ± 7% ± 9%
ADVANCED ALTERNATIVE
PAYMENT MODELS
2018 2019 2020 2021 2022+
Required Risk Thresholds §
- % of Medicare Payments 25% 50% 50% 75% 75%
- % of Medicare Patients 20% 35% 35% 50% 50%

Notes:

*

Composite score weights for the Merit-Based Incentive Payment System for each corresponding performance year

Payment adjustment amounts are listed for payment years (2 years after the performance year). Payment adjustments for the Merit-Based Incentive Payment System were not relevant for payment year 2018.

§

Required risk thresholds for a provider to qualify as an Advanced Alternative Payment Model. Specifically, the proportion of a provider’s Medicare Part B payments and Medicare Part B patients seen through the Alternative Payment Model must exceed the threshold for the corresponding performance year.