Avista Healthcare Partners
Founded in 2005, Avista makes control buyout investments in the middle market. Based in New York, the firm focuses exclusively on the healthcare sector. Companies in its portfolio include Inform Diagnostics, an independent anatomic pathology provider; National Spine & Pain Centers, which provides administrative services to interventional pain management clinics focused on chronic back and neck pain; OptiNose, a specialty pharmaceutical company; and Osmotica Pharmaceutical, a specialty pharmaceutical and generics company.