Section 484.350 - Applicability of the Expanded Home Health Value-Based Purchasing (HHVBP) Model(a)General rule. The expanded HHVBP Model applies to all Medicare-certified HHAs nationwide.(b)New HHAs. A new HHA is certified by Medicare on or after January 1, 2022. For new HHAs, the following apply:(1) The HHA baseline year is the first full calendar year of services beginning after the date of Medicare certification.(2) The first performance year is the first full calendar year following the HHA baseline year.(c)Existing HHAs. An existing HHA is certified by Medicare before January 1, 2022 and the HHA baseline year is CY 2022. 86 FR 62422 , Nov. 9, 2021, as amended at 87 FR 66887 , Nov. 4, 2022 86 FR 62240 , 1/1/2022; 87 FR 66887 , 1/1/2023