Maine Medicaid: MaineCare

Please follow the Enrollment Instructions below to become an electronic submitter for Maine Medicaid.


Please Note: Electronic submissions to this Payer are only available for our SolAce Basic users. Also, our connection to Maine Medicaid cannot be scripted due to their website structure therefore, once your EDI file has been generated, you will need to upload and download your files manually. We have Support Representatives that will walk you through this process.


Required Process to apply for a new Submitter ID

  • To apply for an electronic Submitter ID with Maine Care please go to

  • Click Register under the Trading Partner Sign In box and complete the information on their online form. Please read the following notes to avoid unnecessary delays.

  • The name you enter on the first section of step one should only be a first and last name, do NOT enter middle name, initial, or suffix. This must match your electronic signature exactly.

  • On the bottom portion of Step 1, Please Provide your Tax ID and NPI.

  • The PIN number is the original enrollment case number that you can find on your welcome letter or you can call MaineCare and they will provide it to you.

  • Once you receive your web portal User Name and Password and your MaineCare Submitter ID (starts with METPID____) give your ClaimShuttle support representative a call for assistance with Testing at 602-439-2525 option 1.

If you have any questions regarding MaineCares’ Registration form, please call MaineCares’ EDI Department at 1-866-690-5585.


We can now process 276/277 requests (claim status). If this is a transaction you would like to utilize please make sure to enroll with the payer.



Please have 25 test claims ready for testing. Test files should consist of a variety of claims that represent the type of claims you will be submitting once production status is achieved. Test claims will not be processed for payment but will be validated against production files; therefore, they must contain valid patient procedure, diagnosis, and provider information.