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Thank you for visiting First Coast Service Options' Medicare provider website. This website is intended exclusively for Medicare providers and health care industry professionals to find the latest Medicare news and information affecting the provider community.
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This website provides information and news about the Medicare program for health care professionals only. All communication and issues regarding your Medicare benefits are handled directly by Medicare and not through this website. For the most comprehensive experience, we encourage you to visit or call 1-800-MEDICARE. In the event your provider fails to submit your Medicare claim, please view these resources for claim assistance.
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Provider enrollment applications and forms

Enrollment feedback
Avoid the Wait
Modified: 5/10/2022
Determine which CMS-855 form fits your enrollment needs. Access all CMS-855 forms: 855A, 855B, 855I, 855O, 855R, and 855S.
Modified: 9/11/2022
View basic form descriptions to assist you in determining which CMS-855 form to complete.
Modified: 10/7/2020
Find information about the Provider Enrollment, Chain and Ownership System (PECOS), the Centers for Medicare & Medicaid Services’ online enrollment process.
Modified: 6/28/2022
Providers are required to sign up for electronic funds transfer (EFT) using a CMS-588 EFT form upon initial enrollment in the Medicare program or when changing enrollment information.
Modified: 11/8/2022
Participants agree to accept assignment for all covered services provided to Medicare patients. New physicians, practitioners, and suppliers may submit this form at the time of enrollment.
Modified: 10/7/2020
Medicare provider enrollment information for providers, physicians, non-physician practitioners, and other suppliers.
Modified: 9/11/2022
Enrolling online saves you time, view these steps to get started.
Modified: 9/11/2022
An entity or individual who wishes to furnish mass immunization services - but may not otherwise qualify as a Medicare provider - may be eligible to enroll as a “mass immunizer.”
Modified: 9/11/2022
Find information on where to submit enrollment applications and forms.
Modified: 12/8/2020
Only one laboratory may bill for a referred laboratory service. It is the responsibility of the referring laboratory to ensure that the reference laboratory does not bill Medicare for the referred service when the referring laboratory does so or intends to do so.
First Coast Service Options (First Coast) strives to ensure that the information available on our provider website is accurate, detailed, and current. Therefore, this is a dynamic site and its content changes daily. It is best to access the site to ensure you have the most current information rather than printing articles or forms that may become obsolete without notice.
Part B