Part B Premium

20.6 – Part B Premium (Rev. 12980; Issued:11-25-24; Effective: 01-01-25; Implementation: 01-06-25) The Centers for Medicare and Medicaid Services (CMS) updates the Part B premium each year. These adjustments are made according to formulas set by statute. By law, the monthly Part B premium must be sufficient to cover 25 percent of the program’s costs, including the costs of maintaining a reserve against unexpected spending increases. The federal government pays the remaining 75 percent. Below are the annual Part B premium amounts from Calendar Year (CY) 1996 to 2006. For these years, and years prior to 1996, the Part B premium is a single established rate for all beneficiaries. Year Part B Premium 1996 $42.50 1997 $43.80 1998 $43.80 1999 $45.50 2000 $45.50 2001 $50.00 2002 $54.00 2003 $58.70 2004 $66.60 2005 $78.20 2006 $88.50 Beginning on January 1, 2007, the Part B premium is based on the income of the beneficiary. See the following Change Requests (CRs) for more information. For 2008, see CR 5345 at http://www.cms.hhs.gov/transmittals/downloads/R41GI.pdf For 2008, see CR 5830 at http://www.cms.hhs.gov/transmittals/downloads/R49GI.pdf For 2009, see CR 6258 at http://www.cms.hhs.gov/transmittals/downloads/R56GI.pdf For 2010, see CR 6690 found on the “2009 Transmittals” page at http://www.cms.hhs.gov/Transmittals/2009Trans/list.asp For 2011, see CR 7224 found on the “2010 Transmittals” page at http://www.cms.gov/Transmittals/2010Trans/list. asp For 2012, see CR 7567 found on the “2011 Transmittals” page at http://www.cms.gov/Transmittals/2011Trans/list. asp For 2013, see CR 8052 found on the “2012 Transmittals” page at http://www.cms.gov/Transmittals/2012Trans/list. asp For 2014, see CR 8527 found on the “2013 Transmittals” page at http://www.cms.gov/Transmittals/2013Trans/list. asp For 2015, see CR 8982 found on the “2014 Transmittals” page at http://www.cms.gov/Transmittals/2014Trans/list. asp For 2016, see CR 9410 found on the “2015 Transmittals” page at http://www.cms.gov/Transmittals/2015Trans/list. asp For 2017, see CR 9902 found on the “2016 Transmittals” page at http://www.cms.gov/Transmittals/2016Trans/list.a sp For 2018, see CR 10405 found on the “2017 Transmittals” page at http://www.cms.gov/Transmittals/2017Trans/list.a sp For 2019, see CR 11025 found on the “2018 Transmittals” page at http://www.cms.gov/Transmittals/2018Trans/list.a sp For 2020, see CR 11542 found on the “2019 Transmittals” page at http://www.cms.gov/Transmittals/2019Trans/list.a sp For 2021, see CR 12024 found on the “2020 Transmittals” page at http://www.cms.gov/Transmittals/2020Trans/list.a sp For 2022, see CR 12507 found on the “2021 Transmittals” page at http://www.cms.gov/Transmittals/2021Trans/list.a sp For 2023, see CR 12903 found on the “2022 Transmittals” page at http://www.cms.gov/Transmittals/2022Trans/list.a sp For 2024, see CR 13365 found on the “2023 Transmittals” page at http://www.cms.gov/Transmittals/2023Trans/list.a sp For 2025, see CR 13796 found on the “2024 Transmittals” page at http://www.cms.gov/Transmittals/2024Trans/list.a sp