Is Humana A Medicare Supplement Plan? 
Medicare Supplement Plans are standardized by CMS . Humana 's Medicare Supplement Plans offer the same benefits as any insurance company who also sells Medigap plans . For example , Medigap Plan F with Humana has the exact same benefits as Medigap Plan F with Cigna -- the only difference is price . As Bob stated , there are often many other insurance companies with better premiums for the same exact Medigap Plan . 