First Coast Service Options Medicare
Also covers / subsidiaries: FCSO, First Coast, Florida Medicare, Jurisdiction N
Core Payer & Clearinghouse Profile
Electronic Payer ID
10125
A/B MAC Jurisdiction N — FLORIDA, Puerto Rico, and U.S. Virgin Islands (Part A & B). 09102 is the Part B/professional EDI payer ID; Part A and other transaction IDs differ by clearinghouse. THIS IS FLORIDA'S MEDICARE MAC.
Timely Filing Limit (TFL)
1 calendar year from date of service (Medicare FFS statutory limit)
Appeal Window
Redetermination: 120 days from receipt of the Remittance Advice / initial determination
Clearinghouse Gateway
National Clearinghouse / EDI Gateway
Provider Services
888-670-0940
Claims Fax
Varies — confirm via portal / clearinghouse
Claims Address
Varies — confirm via portal / clearinghouse
Provider Portal
https://medicare.fcso.com/
First Coast is the Medicare Administrative Contractor for Florida, Puerto Rico, and the U.S. Virgin Islands (Jurisdiction N). This is the MAC that serves Florida practices.
National EDI Clearinghouse Capabilities
Direct ANSI X12 electronic transaction support verified for First Coast Service Options Medicare.
Associated Clearinghouse Payer IDs
National clearinghouse networks maintain dedicated routing IDs for specific transaction lines or subsidiaries under First Coast Service Options Medicare.
| Clearinghouse Name | Electronic Payer ID | Status | Enrollment | Supported Services |
|---|---|---|---|---|
| Edic | J1289 | Non-Par | None | Workers Comp |
| Edic | WB021 | Non-Par | None | Workers Comp |
| Medica | 10125 | Non-Par | None | 837P837I270/271276/277Dental |
| Medica | 94265 | Non-Par | Required | 837P837I835 ERA |
| Medicare | 00431 | Non-Par | None | 837P837I270/271Dental |
Resolution Tools for First Coast Service Options Medicare Claims
Values vary by plan, line of business, and provider agreement. Confirm in the payer portal or with your clearinghouse gateway before submitting electronic claims.
Tired of Chasing First Coast Service Options Medicare Denials & Delayed Payments?
Aethera's billing specialists work First Coast Service Options Medicare every day — handling EDI clearinghouse rejects, prior authorizations, payment posting, and 30-day AR aging recovery.