What is the payer ID for Medicare Tennessee Part A?

The payer ID for Medicare Tennessee Part A is 12M53. Alternate IDs seen across clearinghouses include IMTN0.

How long does Medicare Tennessee Part A provider enrollment take?

Medicare Tennessee Part A provider enrollment typically takes 45-65 days from application to effective date. Timelines vary by state, plan, and how complete the application is.

Does Medicare Tennessee Part A require CAQH?

No. Medicare Tennessee Part A does not use CAQH. Applications go through its own enrollment process.

Does Medicare Tennessee Part A require ERA enrollment?

Yes. Medicare Tennessee Part A requires a separate ERA (835) enrollment before electronic remittances flow, and setup typically takes several weeks.

What states does Medicare Tennessee Part A cover?

Medicare Tennessee Part A operates in JJ: AL, GA, TN | JM: NC, SC, VA, WV. Coverage can differ by plan and product line, so confirm the specific plan before you file.

Medicare Tennessee Part A

Part of Palmetto GBA, LLC

Government programmedical

Typical enrollment turnaround

45-65 days

Summary

Medicare Tennessee Part A is a government program, administered by Palmetto GBA, LLC, offering medical coverage operating in 7 states. Claims route under payer ID 12M53, with 1 alternate ID in use across clearinghouses. Provider enrollment typically takes 45-65 days, with applications through Palmetto GBA Portal, and CAQH is not used. Through clearinghouses it supports eligibility checks, institutional claims, and electronic remittance (ERA); ERA enrollment is required and takes several weeks.

At a glance

Payer ID: 12M53Also seen as IMTN0
Also known as: Medicare Tennessee Part A (Cahaba), Palmetto GBA (PGBA) - Tennessee
Uses CAQH: NoApplication route: Payer's own application
Service area: JJ: AL, GA, TN | JM: NC, SC, VA, WV

Clearinghouse transaction setup

Which EDI transactions this payer supports, and how long clearinghouse enrollment typically takes when it is required.

Transaction	Enrollment	Typical setup
Eligibility checks (270/271)	Required	Same day
Institutional claims (837I)	Required	Several weeks
ERA / remittance (835)	Required	Several weeks

Common questions

What is the payer ID for Medicare Tennessee Part A?: The payer ID for Medicare Tennessee Part A is 12M53. Alternate IDs seen across clearinghouses include IMTN0.
How long does Medicare Tennessee Part A provider enrollment take?: Medicare Tennessee Part A provider enrollment typically takes 45-65 days from application to effective date. Timelines vary by state, plan, and how complete the application is.
Does Medicare Tennessee Part A require CAQH?: No. Medicare Tennessee Part A does not use CAQH. Applications go through its own enrollment process.
Does Medicare Tennessee Part A require ERA enrollment?: Yes. Medicare Tennessee Part A requires a separate ERA (835) enrollment before electronic remittances flow, and setup typically takes several weeks.
What states does Medicare Tennessee Part A cover?: Medicare Tennessee Part A operates in JJ: AL, GA, TN | JM: NC, SC, VA, WV. Coverage can differ by plan and product line, so confirm the specific plan before you file.

Compiled from public payer resources and clearinghouse catalogs. Details change often, so confirm with the payer before relying on them. Spot something out of date? Tell us and we will fix it.