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Last Modified: 5/8/2011
Location: FL, PR, USVI
Business: Part A, Part B
Welcome prospective providers
Welcome to the First Coast Service Options Inc. (FCSO), family of Medicare providers. FCSO has been a Medicare administrator for more than 40 years. We are one of the nation’s largest Medicare administrators, and proudly serve more than three million beneficiaries and the health care providers who care for them.
As a prospective provider to the Medicare program, our goal is to help guide you through your enrollment process. To get you started, we have provided several links below to the critical information and education tools you will need to accurately complete the application process.
Which enrollment form do I choose?
Go here 
to determine which provider enrollment application you need to submit to enroll in the Medicare Program.
to determine which provider enrollment application you need to submit to enroll in the Medicare Program.How do I complete a CMS-855 form?
The following links will provide you with tools, tips, and step-by-step directions to completing the myriad of CMS-855 forms to help ensure your application processes successfully the first time.
General
CMS-855A (for institutional providers)
to complete the interactive CMS-855A form. Once completed, print it and submit it.CMS-855B (for clinics/group practices and certain other suppliers)
• Go here 
to view how you can avoid the errors that result in the CMS-855B form not being processed, specifically missing signatures or dates in Section 15B and Section 16A.
to view how you can avoid the errors that result in the CMS-855B form not being processed, specifically missing signatures or dates in Section 15B and Section 16A.CMS-855I (for physicians and non-physician practitioners)
• Go here to view how you can avoid the errors that result in the CMS-855I form not being processed, specifically missing signatures or other required information.
to view how you can avoid the errors that result in the CMS-855I form not being processed, specifically missing signatures or other required information.CMS-855R (for reassignment of benefits)
Electronic Funds Transfer
• Go here to find out the advantages of Electronic Funds Transfer (EFT), and the most common problem seen with the EFT application.
to find out the advantages of Electronic Funds Transfer (EFT), and the most common problem seen with the EFT application.Internet-based PECOS
The Internet-based Provider Enrollment, Chain, and Ownership System (PECOS) facilitates the Medicare provider enrollment process by furnishing health care providers and suppliers with an easier, faster, and more efficient alternative to paper-based enrollment in the Medicare program. Registered users may use the system for initial enrollment as well as to change, reactivate, or voluntarily terminate an existing enrollment record. Users may also add, change, or terminate reassignment of Medicare benefits.
• Go here to learn how to successfully navigate and avoid common mistakes when using Internet-based PECOS.
to learn how to successfully navigate and avoid common mistakes when using Internet-based PECOS.• Go here to find out how to access the Internet-based PECOS, what search options are available, how to perform a search, and what information the search will provide.
to find out how to access the Internet-based PECOS, what search options are available, how to perform a search, and what information the search will provide.Where do I submit my provider enrollment documentation?
Medicare Provider Enrollment
First Coast Service Options Inc.
P.O. Box 44021
Jacksonville, FL 32231-4021
P.O. Box 44021
Jacksonville, FL 32231-4021
Where can I learn more?
Please review our Part A or Part B Provider enrollment FAQs as well as our online education opportunities.
