Medicare Advantage Plans Home>Medicare Advantage Plans Sheet Metal Workers’ National Health Fund 2023 Retiree Health Benefit Options 2023 MAPD Benefit Opt 1 Sheet Metal Workers’ National Health Fund 2023 Retiree Health Benefit Options – 2 2023 MAPD Benefit Opt 2 Sheet Metal Workers’ National Health Fund 2023 Retiree Health Benefit Options 1 and 2 SMW + 2023 MAPD Benefit Option 1 2 SMW+