skip to content
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.
To enable us to present you with customized content that focuses on your area of interest, please select your preferences below:
Select which best describes you:
Select your location:
Select your line of business:
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.
Join eNews       En Español
Text Size:
YouTube LinkedIn Email Print
Send a link to this page
[Multiple email adresses must be separated by a semicolon.]
Last Modified: 11/20/2020 Location: PR Business: Part B

Provider enrollment: Contact information -- Puerto Rico, Part B


Telephone numbers


877-660-1759 (TTY)
FAX 904-361-0737
Provider Enrollment
P.O. Box 3409
Mechanicsburg, PA 17055-1849
866-523-4759 (TTY)
External User Services
P.O. Box 792750
San Antonio, Texas 78279
Provider Enrollment, Chain, and Ownership System (PECOS): Registration
Internet-based PECOS: System help
866-523-4759 (TTY)
External User Services
P.O. Box 792750
San Antonio, Texas 78279
Requests: National Provider Identifier (NPI) application
800-692-2326 (TTY)
NPI Enumerator
P.O. Box 6059
Fargo, ND 58108-6059
Special delivery: Overnight mail and/or special courier service
Provider Enrollment
2020 Technology Parkway
Suite 100
Mechanicsburg PA 17050
For additional information regarding this area, please click here.
list item Please use your browser's back button to return to the referring page.
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.