Important Message:

Effective March 26, 2020, all open invoices dated January 1, 2020 or later for Pfizer vaccines for physicians, clinics, and group practices will automatically have an additional 30 days payment terms added to them. No action is required on your part. No new invoices will be issued so we recommend you simply make note of the additional 30 days on your current invoice. Additionally, all NEW orders for these customers placed between March 26 and May 31, 2020 will have extended payment terms of 105 days with the 2% prompt pay discount. Please click here for more information.


GREENSTONE offers a comprehensive portfolio of generic medicines covering a broad range of therapeutic areas that are backed by a commitment to supply and customer service excellence.