This page is devoted to Frequently Asked Questions (FAQs) and their answers on a wide spectrum of topics. Check back often, as we constantly update them.

Part A FAQ Topics

(Updated Quarterly)

• ABILITY | PC-ACE
• Additional Documentation Request (ADR)
• Advance Beneficiary Notice (ABN)
• Ambulance
• Appeals
• Billing
• General
• Hospitals
• Medications
• Clinical Trials and Devices
• Comprehensive Error Rate Testing (CERT)
• Credit Balance Reports
• Diagnostic Testing for Sleep Disorders
• Electronic Data Interchange (EDI)
• Electronic Health Records (EHR)
• Evaluation and Management (E/M) Codes for Outpatient Facilities
• General Topics
• Learning Center
• Local Coverage Determinations (LCD) / Medical Policy
• Local Contractor Pricing
• Medical Review
• Medicare Secondary Payer (MSP)
• Novitasphere
• Observation Services
• Outpatient Rehabilitation
• Partial Hospitalization Program
• Prior Authorization
• Hyperbaric Oxygen Therapy (HBO)
• Provider Enrollment
• Completing Paper CMS 855 Applications FAQs
• Electronic Funds Transfer (EFT)
• National Provider Enrollment Conference
• General Enrollment FAQs
• Provider Enrollment, Chain, and Ownership System (PECOS) Web FAQs
• Revalidation
• Rural Health Clinics (RHC)
• Sequestration
• Signatures
• Skilled Nursing Facility (SNF)
• Targeted Probe and Educate
• Website