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Potential Providers

Enrollment on Demand Tutorials for Part B Specialties - View eligible Medicare Part B Specialties and Enrollment on Demand application tutorials to help such providers complete the appropriate applications correctly the first time

Terms and Definitions - View Enrollment related terms and definitions

National Provider Identifier (NPI) - View information about the unique identification number for covered health care providers

NonParticipation - View details about being a nonparticipating Medicare provider. A provider involved in Medicare program who has enrolled in Medicare but chooses to receive payment in a different method and amount than participating providers

Participation - View advantages and disadvantages of being a participating Medicare provider. A provider who agrees to accept assignment for all Medicare Part B services for which participant is eligible to receive payment under Medicare law and regulations

Provider Enrollment, Chain, and Ownership System (PECOS) - Whether a provider is enrolling in Medicare for the first time or needs to make changes to enrollment information, Internet-based PECOS is the most efficient process of submitting applications and keeping Medicare enrollment information up to date. View details

Provider Transaction Access Number (PTAN) - View details about the Medicare-only number issued to providers by Medicare Administrative Contractors (MACs) upon enrollment to Medicare

Last Updated May 05, 2017