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Medicare Mississippi Part A

Medicare MS Part A

Primary payer ID
12M17Compare transaction IDs ↓
Last successful claim statusNo successful response observedObserved across Substrate's claim-status network.
Currently not answeringEDI 270/271

Is your practice experiencing high volumes of no response claims or denials from Medicare Mississippi Part A? Try Substrate Denial Intelligence here -->.

Coverage profile

How Substrate can help you with Medicare Mississippi Part A

Substrate can help practices and billers with the following claims tasks for Medicare Mississippi Part A.

Eligibility

EDI 270/271

The Substrate Eligibility Agent can verify patient benefits, identify TPAs and carve-outs, and more with Medicare Mississippi Part A.

Available

Frequently asked questions

Medicare Mississippi Part A payer FAQs

What is the payer ID for Medicare Mississippi Part A?

The primary payer ID for Medicare Mississippi Part A is 12M17. The correct routing ID can differ by clearinghouse and transaction, so compare the 837P, 837I, 835, 270, and 276 entries before submitting.

What is the 837I payer ID for Medicare Mississippi Part A?

The 837I payer ID for Medicare Mississippi Part A is 12M17 via Stedi.

What is the 835 payer ID for Medicare Mississippi Part A?

The 835 payer ID for Medicare Mississippi Part A is 12M17 via Stedi.

What is the 270 payer ID for Medicare Mississippi Part A?

The 270 payer ID for Medicare Mississippi Part A is 12M17 via Stedi.

What state does Medicare Mississippi Part A operate in?

Medicare Mississippi Part A operates in MS.

Resource library

Routing reference

Medicare Mississippi Part A payer IDs and operating states

Use the payer ID listed for the transaction you are submitting. Verify current routing and enrollment requirements with your clearinghouse.

Medicare Mississippi Part A payer name, operating states, and transaction-specific payer IDs
Payer nameMedicare Mississippi Part ASource: Substrate payer directory · last refreshed
Operating statesMSSource: Substrate payer directory · last refreshed
837I institutional claims payer IDStedi12M17Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID
835 ERA payer IDStedi12M17Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID
270 eligibility payer IDStedi12M17Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID

Routing sources and verification

  • Substrate payer directoryPayer identity, aliases, operating states, and vendor IDs. Last refreshed .Open payer website ↗
  • Stedi payer catalogMatched by payer ID; matched record: Medicare Mississippi Part A. Source dated .PrimaryPayerId is used as the transaction payer ID when the corresponding Stedi support flag is true.Open current Stedi reference ↗

Clearinghouse payer IDs are transaction-specific and can change. Confirm the current payer list and the member’s ID card before submission.

Other aliases

Also known as

  • 12M17
  • IMMS0
  • Mississippi Medicare Part A Jurisdiction 7 (J7)