Is QPP full credit participation given for Improvement Activities, for MSSP Track 1 MIPS APM?

MIPS

Yes, MIPS ECs in a MSSP Track 1 ACO will get full credit for the Improvement Activities (IA) category. More information on the 2018 IA points assigned to Shared Savings Program ACOs can be found in this guide:

https://www.cms.gov/Medicare/Quality-Payment-Program/Resource-Library/Scores-for-Improvement-Activities-in-MIPS-APMs-in-the-2018-Performance-Period.pdf