Contact center
Part B
Part A

Florida/U.S. Virgin Islands
General: 888-664-4112
EDI: 888-670-0940
Enrollment: 888-845-8614
SPOT help desk: 855-416-4199
TTY: 711
Florida/U.S. Virgin Islands
General: 866-454-9007
EDI: 888-670-0940
Enrollment: 888-845-8614
SPOT help desk: 855-416-4199
TTY: 711
Puerto Rico
General: 877-908-8433
EDI: 888-875-9779
Enrollment: 888-845-8614
SPOT help desk: 855-416-4199
TTY: 711
Puerto Rico
General: 877-715-1921
EDI: 888-875-9779
Enrollment: 888-845-8614
SPOT help desk: 855-416-4199
TTY: 711
IVR
*CT hours only apply to FL providers
Note: If you are not satisfied with the level of service you have received from one of our provider contact center representatives, please ask to speak with a supervisor, and the supervisor will promptly return your call.

Online
General contact: Submit an online inquiry
EDI: Email EDI
SPOT: Email the SPOT help desk
Live chat: Hours vary, view details
General correspondence
First Coast Service Options
2020 Technology Parkway, Suite 100
Mechanicsburg, PA 17050-9419
FAX: 904-361-0696
Refer to the areas below for specific mailing address
System status

IVR
ONLINE
SPOT
ONLINE
EDI
ONLINE
Departments
View the provider authentication requirements when contacting us -- elements required:
• National provider identifier (NPI)
• Provider transaction access number (PTAN)
• Last five digits of the tax identification number (TIN)
Inquiry checklist -- be prepared when contacting First Coast -- Use this convenient checklist to determine the information needed for your call.
If you would like to share your feedback with CMS regarding First Coast's performance please take advantage of these resources:
Contact CMS Region 4, Atlanta | CMS contact database | Contacting Medicare contractors |
Centers for Medicare & Medicaid Services (CMS), Region 4 |
CMS' contact database |
Other ways to connect to CMS
Freedom of Information Act (FOIA) found in Title 5 of the United States Code, section 552, and enacted in 1966, provides that, upon request from any person, a federal agency or federal contractor must release any record unless that record falls within one of the nine statutory exemptions and three exclusions. The FOIA binds only federal agencies, and covers only records in the possession and control of federal agencies.
FOIA contact information
Send your request to the following address or fax number:
JN FOIA requests
P.O. Box 3425
Mechanicsburg, PA 17055-1825
Email FOIA requests: FOIA@fcso.com
Fax number: 904-361-0870
Harvey Dikter - President and CEO
Deborah Taylor - Vice President of Operations and Chief Operating Officer
Kim Martin - Vice President of Operations
Susan Williams - Vice President of Operations
Kimberly Karnes - MAC Contract Program Director
Email the leadership team: communications@guidewellsource.com
Note: When emailing a member of our leadership team, please include the officer's name in the subject line.
For fraud and abuse assistance, call or email our provider contact center using the contact information provided above.
Additional contact information
Mailing address for JN complaints:
JN Part A and B Complaint Processing Unit
P.O. Box 3419
Mechanicsburg, PA 17055-1859