For Maine Medicaid, the "Service Location" ID (or Facility ID) in the Facility block 32 (2310C) must be an alphanumeric value formatted as "xxxx-xxx" with a dash.
Inquiries for Maine Medicaid
For more details on Maine Medicaid 837P protocols, please refer to this companion guide.
For more in-depth inquiries, please refer to the contact information here: MaineCare Contact.