Lipitor is a brand name medication used to treat high cholesterol. According to Drug Patent Watch [1], Pfizer is the manufacturer of Lipitor. As per the Grassley Senate website [2], there have been some concerns about deals between Pfizer and other pharmaceutical companies that may have limited access to generic versions of Lipitor. However, it is unclear whether these deals are still in effect.

Regarding coverage for Lipitor, Humana [3] is a provider that offers coverage for this medication. It is important to note that coverage for Lipitor may vary depending on the specific plan and formulary of each provider. Therefore, it is recommended to check with your insurance provider directly to confirm coverage for Lipitor.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.grassley.senate.gov/news/news-releases/baucus-grassley-kohl-examine-pharmaceutical-deals-limit-access-generic-drugs
[3] https://www.humana.com/provider/pharmacy-resources/tools/generic-drugs