Contact Us

If you have any general questions about the Merck Patient Assistance Program, please call 1-800-727-5400, Monday through Friday, 8 AM to 8 PM ET.

800-727-5400 - for general eligibility and application question

888-727-0085 - for online application issues

Merck Patient Assistance Program
PO Box 1206
Wilkes Barre, PA 18703-1206


For contact information about a specific program, please refer to the Programs page.

Notice: During the holiday period and adjacent days, we will observe adjusted operating hours. Regular service hours will resume following the holiday. Thank you for your understanding.