Meritain Health (Aetna TPA) Payer ID
- Payer ID
- 41124
- Category
- TPA / Other
Payer IDs can differ between clearinghouses (Availity, Waystar, Office Ally, Trizetto, etc.) and by product line. Confirm this ID against your clearinghouse's payer list before submitting.
Routing notes for billers
41124 is Meritain's widely published payer ID. Self-funded TPA — plan documents govern benefits; the ID only controls claim routing.
If claims to this payer go missing
Misrouted claims surface as CO-109 denials or remark N418 — and meanwhile the filing clock keeps running. Keep your clearinghouse acceptance reports as proof of original submission; they usually restart the clock on appeal.
OakClaim routes every claim right the first time.
Free audit shows how much misroutes and rejections are costing your practice.