Welcome to Merck Cash-Pay Gateway™
This site is intended only for residents of the continental United States, Alaska, and Hawaii.
Merck Cash-Pay Gateway™ is a program that makes certain Merck medicines available directly to patients at a discounted price. This program may benefit patients who are uninsured or have commercial insurance but prefer to pay out of pocket. Eligibility is subject to the terms and conditions of the Merck Cash-Pay Gateway™ program.
Please read the accompanying Medication Guide for JANUMET XR and JANUMET, including the information about lactic acidosis, and discuss it with your health care provider. The physician Prescribing Information for JANUMET XR and JANUMET also is available.
Who can use Merck Cash-Pay Gateway™?
Merck Cash-Pay Gateway™ is available for the Merck medicines below for patients that meet the eligibility criteria to participate in the program. Eligibility criteria can be found here. Patients who participate in government programs, such as Medicare and Medicaid are not eligible to participate in the Merck Cash-Pay Gateway™ Program.

How to use Merck Cash-Pay Gateway™


Get a prescription for JANUVIA, JANUMET, or JANUMET XR from your health care provider.


Ask your health care provider to send your prescription for your Merck medicine to EVERSANA Pharmacy*, the pharmacy that will dispense and deliver your Merck medicine through the Merck Cash-Pay Gateway™ program.
Have your provider send a prescription to EVERSANA Pharmacy*. If you already have a prescription, ask your provider to send it to EVERSANA Pharmacy* from their Electronic Medical Record (EMR) platform. Simply copy these instructions and share with your provider through your patient portal.
If you are a health care provider, search for EVERSANA in your EMR and submit your prescription.
EMR NPI: 1548264591
NCPDP: 2635956
EVERSANA Pharmacy* patient support center:
Monday to Friday, 9:00 AM to 6:00 PM ET
1-888-864-2512


Once EVERSANA Pharmacy* has received your prescription, you will receive a text or phone call from EVERSANA Pharmacy* to discuss the program’s Terms and Conditions and eligibility requirements.


If you meet the terms and conditions of the program, pay the discounted amount.


Your medicine will be shipped to you from EVERSANA Pharmacy*.
*EVERSANA Pharmacy is an independent entity and is neither owned by nor a subsidiary of Merck & Co., Inc.
The products available through Merck Cash-Pay Gateway™ are:
EVERSANA Pharmacy* patient support center

Monday to Friday
9:00 AM to 6:00 PM ET

1-888-864-2512

Merck Cash-Pay Gateway™ eligibility and program requirements
You may be eligible to participate in the Merck Cash-Pay Gateway™ program if you meet all of the requirements below and agree to these terms and conditions.
Who can participate
- Continental US, Alaska, and Hawaii residents only: This program is available only to patients who reside in the United States.
- Valid prescription required: You must have a valid prescription from a licensed US health care provider for one of the Merck medicines included in the Merck Cash-Pay Gateway™ program.
- Eligible Merck medicines: At this time, the program is available only for the following Merck medicines: JANUVIA, JANUMET, and JANUMET XR.
- Cash-pay patients only: This program is intended for patients who are uninsured or who otherwise choose to pay for their medicine directly out of pocket rather than using their commercial insurance.
Who is not eligible
This program is not available to patients who receive prescription drug coverage through any government-funded health care program, including, but not limited to, Medicaid, including Medicaid patients enrolled in a qualified health plan purchased through a state or federal health insurance exchange, Medicare, including Medicare Part D and Medicare Advantage plans (even if a particular prescription is not covered), TRICARE, CHAMPUS, Puerto Rico Government Health Insurance Plan (also known as “Health care Reform”), or any other federal or state medical, pharmacy benefit, or assistance program. These programs are referred to collectively as “Government Programs”.
Insurance and payment acknowledgments
By participating in this program, you agree and acknowledge that:
- You are purchasing your medicine without using commercial insurance or insurance through a government program
- You will not submit, or will not attempt to submit, any claim for reimbursement to any insurance plan for your medicine or for any costs you pay through this program
- You will not seek reimbursement from any insurance plan for your out-of-pocket costs
- The cost of your medicine will not be applied toward your insurance deductible or your annual out-of-pocket costs
- You agree to notify your commercial insurance plan, if applicable, that your medicine was purchased outside of its prescription drug benefit
Pharmacy authorization and choice
By choosing to participate:
- You authorize the pharmacy to fill your prescription without applying insurance benefits, even if:
- You understand that participation in this program is voluntary, and you are free to fill your prescription outside of the program at any time
Pricing, taxes, and fees
The price displayed or communicated for your Merck medicine may not be the final amount you pay. Your total cost may include applicable taxes, shipping or delivery fees, and payment processing fees, depending on your location and order details. Please contact EVERSANA Pharmacy* directly to confirm the final, total cost of your prescription before it is filled or shipped.
Additional information
Participating in the program is subject to these terms and conditions. Meeting the eligibility requirements does not guarantee access to any particular medicine, price, or availability. Merck reserves the right to modify or discontinue the program, eligibility requirements, or included medicines at any time.
If you do not wish to participate in the Merck Cash-Pay Gateway™ program or are not eligible but are having trouble paying for your Merck medicine, Merck may be able to help.