Versions of 42 CFR 421.104 - Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) on LawServer 2024 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) 2023 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) 2022 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) 2021 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) 2020 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) 2019 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) 2016 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) 2015 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) 2014 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) 2010 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs) 2009 42 CFR 421.104 – Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs)