CMS 5 Star Rating Update: What Does This Mean for LTC? In February 2015, the Centers for Medicare & Medicaid Services (CMS) publicly announced changes to the five‐star rating system used on its Nursing Home Compare website (NHC).Read more … Posted on May 1, 2015 by Compliagent and tagged Compliance Healthcare ACA OIG California Medicare Skilled Nursing Long Term Care cms 5 star rating. Comment