• Electronic Data Interchange (EDI)
Approved Network Service Vendors Submitter Authorization Form
• Front-End Systems User Guides
Front-End Systems User Guides
• Medicare Encounter Data
Companion Guides ED Testing Edits EDPS Bulletins Enroll to Submit Encounter Data HPMS Memos ListServ Newsletters PC ACE Pro32 Report and File Layouts Resources Training Information User Group
• Medicare Medicaid Plans
Companion Guides Edits Enroll to Submit Medicare-Medicaid Data FAQs HPMS Memos ListServ Medicare-Medicaid Testing References Report Layouts State Agency Information Training
• Prescription Drug Event
Coverage Gap Discount Program Drug Data Processing System (DDPS) Edits Enroll to Submit PDE File Layouts Frequently Asked Questions ListServ National Drug Code (NDC) Payment Reconciliation Summary Reports (PRS) Prescription Drug Front-End System (PDFS) References Report Layouts Social Security Number Removal Initiative (SSNRI) Updates Training User Group
• Risk Adjustment Processing System
Edits Enroll to Submit Risk Adjustment Data Front-End Risk Adjustment System (FERAS) HPMS Memos Job Aids ListServ Newsletters RAPS Bulletins References Risk Adjustment Processing System (RAPS) Training User Group

Answer:
At a minimum, the Billing Provider NPI is required. In the event the Billing Provider is not assigned an NPI, MMP plans are instructed to use a default value.