Try searching for MEDCO fax only 800-837-0959 phone number
You will also be able to find Caremark Express Rx ( choose the address with the RxHub)
Rightsource is actually called Humana Pharmacy
Remember, the info on pt bottles are for the patients, so make sure you are using MD phone/fax numbers when searching.
We usually search for the mail order pharmacies by the fax number provided for the providers on the forms.
