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Aon Corporation

Primary payer ID
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Last successful claim statusNo successful response observedObserved across Substrate's claim-status network.
Claim statusCurrently not answering

Coverage profile

Work Aon Corporation 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.

Other aliases

Also known as

  • WC450

Frequently asked questions

Aon Corporation payer FAQs

What is the payer ID for Aon Corporation?

The primary payer ID for Aon Corporation is WC450. The correct routing ID can differ by clearinghouse and transaction, so compare the 837P, 837I, 835, 270, and 276 entries before submitting.

Resource library

Routing reference

Aon Corporation 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.

Aon Corporation payer name, operating states, and transaction-specific payer IDs
Payer nameAon CorporationSource: Substrate payer directory · data last changed

Routing sources and verification

  • Substrate payer directoryPayer identity, aliases, operating states, and vendor IDs. Data last changed ; checked .

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

Not affiliated with Aon Corporation or BCBSA.

Confirm routing with your clearinghouse. Report an error

Disclaimer

The information provided on this page is for general informational purposes only and does not constitute billing, coding, or reimbursement advice. Nothing on this page should be relied upon as a substitute for clinician assessment, professional billing guidance, or as a definitive statement of any payor's billing requirements or policies.

Payor agreements, fee schedules, and billing policies vary and are subject to change. Before submitting any claims related to maternity care services, including claims affected by the 2027 CPT code revisions, please consult the applicable payor agreements, coverage policies, and billing guidelines to confirm current requirements for their specific payor contracts.

Substrate makes no representation or warranty regarding the accuracy, completeness, or timeliness of the payor-specific information presented here. Providers are solely responsible for ensuring that all claims are submitted in accordance with applicable payor requirements, and Substrate assumes no liability for claim denials, underpayments, or other adverse outcomes arising from reliance on this information.

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