Center for Medicare and Medicaid Services

• NPI
• NPI Dos and Don'ts (pdf)
• How to Apply

National Plan and Provider Enumeration System

• NPPES

Trailblazer Health

• Medicare Remittance Advice Educational Resources

Supported Clearing Houses

• Availity
• THIN

Availity Documentation

• Enrollment tips (pdf)
• Registration tips (pdf)
• *** THIN/AVAILITY Reporting Differences (pdf) ***
• *** AVAILITY Report Webinar Training and Documentation (pdf) ***
• Real Time Responses (pdf)