Self-Service Center

The National Government Services Self-Service center is a do-it-yourself gateway to all of our products and services.

Calculators

• 90-Day Global Period Calculator 
• ADR Timeline Calculator 
• Appeals Calculator 
• CERT Denial Reason Finder 
• Claim Timely Filing Calculator 
• G0179 Frequency Calculator 
• Medicare Secondary Payer Payment and Savings Calculator 
• Podiatry Calculator 
• Psychiatric Services Calculator 
• RAC Timeliness Calculator 

Education

• Acronym Search 
• CMS Internet-Only Manuals 
• Frequently Asked Questions 
• Medicare University 
• News and Articles 
• Sign Up to Receive E-mail Updates 
• Training Events Calendar 
• WPC Health Care Code Lists 

Eligibility

• Flow Chart to Help Eligible Professionals Determine Eligibility for EHR Incentive Programs 
• Primary Care Incentive Program Eligibility Lookup 

Enrollment

• EDI Enrollment Application Status Tool 
• MEDPARD Search 
• Medicare Enrollment Application Fee Decision Tree 
• Medicare Enrollment Using PECOS Web 
• National Provider Identifier Registry 
• Opt-Out Search 
• Provider Enrollment Application Status Tool 

Forms

• CMS Forms List 
• CMS-588 EFT Authorization Agreement Form (05-10) 
• CMS-855B Medicare Enrollment Application Form for Clinics/Group Practices and Certain Other Suppliers (07/11) 
• CMS-855I Medicare Enrollment Application Form for Physicians and Non-Physician Practitioners (07/11) 
• CMS-855O Medicare Enrollment Application Form for Eligible Ordering and Referring Physicians and Non-Physician Practitioners (07/11) 
• CMS-855R Medicare Enrollment Application Form for Reassignment of Medicare Benefits (07/11) 
• Customer Care Online Inquiry Form 
• EDI E-mail Inquiry Form 
• Immediate Recoupment Request Form – Electronic/E-mail 

IVR

• Interactive Voice Response Conversion Tools 
• Interactive Voice Response System 

Transactions

• Code Pricing Search 
• Connex Online Transactions 
• Electronic Submissions (EDI)