To obtain a prescription drug, you can go to any Unison Health Plan participating pharmacy that is listed in your Provider Directory. All prescriptions that are on this Unison Health Plan formulary (approved drug list) will be covered when medically necessary. Please refer to your Member Handbook for more information telling you how to obtain prescription drugs listed on the Unison Health Plan formulary. You can obtain a list of Unison Health Plan’s participating pharmacies or obtain information about the Unison Health Plan formulary by contacting the Member Services Department at 1.800.414.9025.Please click below to be directed to our pharmacy formulary (preferred drug list or PDL). Preferred Drug List Searchable Drug List Find a Pharmacy Direct Member Reimbursement