Close this search box.

IMPORTANT NOTICE to all our customers as of Feb. 21st 10 am EST: 

Change Healthcare switch is currently down with no ETA at this time. 

For submitting transmissions, please use Relay Health. 

Once the outage is over, please switch back to Change Healthcare.  

To switch from Change Healthcare to Relay Health in PrimeRx, please follow these steps:

1. Go to Maintenance

2. Select “5. System file

3. Navigate to “Transmission Settings”

4. Change primary to “Relay Health”

5. Click “Save”

Thank you!

PrimeRx Support Team

Welcome PrimeRx Customers

We know that running a pharmacy is a 24/7 proposition, and that you can’t schedule the timing of a question or service issue. We’re pleased to offer convenient options to reach us, and encourage you to reach out with any questions or concerns.



Customer Portal


If you are in need of support with your PrimeRx software please complete a support ticket by clicking below.


For after-hours support, please call and leave a message in our after-hours mailbox and we will return your call within the hour.

Call Support:

Ready for Support to Assist You?

Ways to Contact Customer Support

Client Portal

Login to your client portal to log a ticket, initiate a request, and have a support representative follow up with your pharmacy.

Start a Chat

Use our on-line chat feature (bottom right corner of your screen) to initiate a chat with one of our support representatives.

By Email

Email us at [email protected]

By Phone

Call us at (516) 408-3999 or (866) 495-3999 to be connected to a support representative.

Monday-Friday 8:00 AM – 9:00 PM E.T.
Saturday 9:00 AM – 05:00 PM E.T.
Sunday 10:00 AM – 05:00 PM E.T.

Customer Training Portal

As a customer of Micro Merchant Systems, you have access to our Prime Portal. The Prime Portal is designed to help you find the information you need quickly and easily. This provides step-by-step instructions on how to set up your password, navigate Prime Portal, sign up for upcoming webinars, how to add/remove additional users from your account, and contacting an admin for assistance.