Payer directory
Medicare fee-for-service (Original Medicare)
Medicare fee-for-service (Original Medicare) and its contractors' lines. Original Medicare, nationwide
Payerworks is connected to no payer yet, including this one. Nothing is sent to it through Payerworks.
- Serves
- Nationwide CMS is the information source for every Medicare eligibility inquiry; a fee-for-service claim goes to the contractor for the state. (CMS HETS 270/271 companion guide (version 15-1), table 19: the information source, read 10/19/2026)
Payer ID
Payer IDs the payer publishes
| Payer ID | For | Transactions | Source |
|---|---|---|---|
CMS | Medicare eligibility inquiries through HETS (270/271); not a claims payer ID | Eligibility (270/271) | CMS HETS 270/271 companion guide (version 15-1), table 19: the information source, read 10/19/2026 |
Payer directory
Plan programs listed under it
- Medicare DME MAC Jurisdiction A (Noridian Healthcare Solutions)
- Medicare DME MAC Jurisdiction B (CGS Administrators)
- Medicare DME MAC Jurisdiction C (CGS Administrators)
- Medicare DME MAC Jurisdiction D (Noridian Healthcare Solutions)
- Medicare Part A, Jurisdiction 15 (CGS)
- Medicare Part A, Jurisdiction 6 (NGS)
- Medicare Part A, Jurisdiction E (Noridian)
- Medicare Part A, Jurisdiction F (Noridian)
- Medicare Part A, Jurisdiction H (Novitas)
- Medicare Part A, Jurisdiction K (NGS)
- Medicare Part A, Jurisdiction L (Novitas)
- Medicare Part A, Jurisdiction N (First Coast)
- Medicare Part B, Jurisdiction 15 (CGS)
- Medicare Part B, Jurisdiction 6 (NGS)
- Medicare Part B, Jurisdiction E (Noridian)
- Medicare Part B, Jurisdiction F (Noridian)
- Medicare Part B, Jurisdiction H (Novitas)
- Medicare Part B, Jurisdiction J (Palmetto GBA)
- Medicare Part B, Jurisdiction K (NGS)
- Medicare Part B, Jurisdiction L (Novitas)
- Medicare Part B, Jurisdiction M (Palmetto GBA)
- Medicare Part B, Jurisdiction N (First Coast)
- Medicare Parts A and B, Jurisdictions 5 and 8 (WPS)
Payer directory
Need this payer?
Ask for it on the payer request form: a payer ID, a connection, or a correction to this page. A person replies by email.
Read 10/19/2026.
Talk to us
What happens next
- 1
A person at Payerworks reads what you sent, usually within a business day.
- 2
One reply by email names the next step: our trading partner details, where each of your payers stands, or a key for the API.
- 3
Nothing follows unless you answer. There is no sequence behind this form.
Or write to hello@payerworks.com.
Name the payer you need, and what you need from it: a payer ID, a connection, or a row the directory has wrong. A person replies by email, usually within a business day, and there is no follow-up sequence. The payer request form is on this payer’s letter page.