Webaccess the cvs health portal using your employee, contractor, or corporate id and password. You may also login using your aetna n or a user account. Webthe employee self service (ess) website and app are optional tools available to cvs health retail colleagues only. Ess is provided for colleague convenience and is entirely. Webretail store & minute clinic colleagues: Enter your 7 digit employee/contractor id number and password. Corporate retail & pbm colleagues: Enter your computer (windows) id. Webcorporate retail & pbm colleagues: Enter your computer (windows) id and password. Enter your a or n id and password. Webwe would like to show you a description here but the site won’t allow us.