https://www.reuters.com/article/us-cvs-health-m-a-mckesson/drug-distributor-mckesson-to-buy-cvs-healths-services-unit-idUSKBN1D62RB This is the company that handles Northstar.
Thanks for the info on Northstar. My prescription provider currently carries the Northstar it that can change randomly so I will keep this in for cose.