Coverage profile
Work Medicare Iowa Part B across every published route
Use the current payer record to choose the right claim-status, eligibility, portal, phone, or appeals workflow. Substrate only marks routes that are published for this payer.
Eligibility
EDI 270/271The Substrate Eligibility Agent can verify patient benefits, identify TPAs and carve-outs, and more with Medicare Iowa Part B.
Other aliases
Also known as
- 05102
- IAMCR
- JSMIA0
- SMIA0
- Medicare Iowa Part B (J5 Wisconsin Physicians Service)
- Wisconsin Physicians Service (WPS) - Iowa
- Wisconsin Physicians Service (WPS) - Wisconsin
- MEDICARE IOWA PART B (J5 WPS)
2027 maternity billing research
When does Medicare Iowa Part B change OB/GYN billing?
For CY 2027, CMS proposes valuations for restructured maternity CPT codes and seeks comment on creating 15 alternative HCPCS G-codes to preserve the previous MMM global structure for Medicare PFS payment. Neither alternative is established here as a final billing instruction.
- Transition start
- CY 2027 proposal; no confirmed transition date in this source
- Billing start
- Not specified in supplied source
- Published
- 2026-07-16
- Current As Of
- August 2026
Scope: Federal Medicare Part B medical maternity services paid under the PFS; not Iowa-specific MAC instructions.
CY 2027 Physician Fee Schedule proposed rule. Verify the payer source before claim submission.
Frequently asked questions
Medicare Iowa Part B payer FAQs
What is the payer ID for Medicare Iowa Part B?
The primary payer ID for Medicare Iowa Part B is SMIA0. 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 837P payer ID for Medicare Iowa Part B?
The 837P payer ID for Medicare Iowa Part B is SMIA0 via Stedi.
What is the 835 payer ID for Medicare Iowa Part B?
The 835 payer ID for Medicare Iowa Part B is SMIA0 via Stedi.
What is the 270 payer ID for Medicare Iowa Part B?
The 270 payer ID for Medicare Iowa Part B is SMIA0 via Stedi.
What state does Medicare Iowa Part B operate in?
Medicare Iowa Part B operates in IA.
Routing reference
Medicare Iowa Part B 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.
| Payer name | Medicare Iowa Part BSource: Substrate payer directory · data last changed |
|---|---|
| Operating states | IASource: Substrate payer directory · data last changed |
| 837P professional claims payer IDStedi | SMIA0Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID |
| 835 ERA payer IDStedi | SMIA0Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID |
| 270 eligibility payer IDStedi | SMIA0Enrollment requiredSource: Stedi payer catalog · catalog dated · matched by payer ID |
Routing sources and verification
- Substrate payer directoryPayer identity, aliases, operating states, and vendor IDs. Data last changed ; checked .Open payer website ↗
- Stedi payer catalogMatched by payer ID; matched record: Medicare Iowa Part B. 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.