Indiana Health Coverage Programs (IHCP / Gainwell)

Claims and claim status

Find claim-status contacts and document destinations. A billing address, appeal address and original-claim address are not interchangeable.

claims

IHCP FFS professional paper claims (CMS-1500) address

Official page read
Phone

No phone listed for this route

Published hours

Not published in this record

Product, plan and location

medicaid
Indiana

Mailing address
Gainwell – CMS-1500 Claims PO Box 50447 Indianapolis, IN 46250-0418

FFS professional paper claims

Gainwell paper CMS-1500 claims excluding crossovers. Professional crossover claims: Gainwell – CMS-1500 Crossover Claims, PO Box 50445, Indianapolis, IN 46250-0418. EDI payer ID for Gainwell: IHCP.

View source ↗ · Source checked 2026-10-25

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claims

IHCP FFS institutional paper claims (UB-04) address

Official page read
Phone

No phone listed for this route

Published hours

Not published in this record

Product, plan and location

medicaid
Indiana

Mailing address
Gainwell – UB-04 Claims PO Box 50448 Indianapolis, IN 46250-0418

FFS institutional paper claims

Inpatient hospital, home health, hospice, long-term care and outpatient facility claims, including crossovers.

View source ↗ · Source checked 2026-10-25

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claims

IHCP FFS claim attachments for electronic claims

Official page read
Phone

No phone listed for this route

Published hours

Not published in this record

Product, plan and location

medicaid
Indiana

Mailing address
Gainwell – Claim Attachments PO Box 50440 Indianapolis, IN 46250-0440

Claim attachments

Paper attachments for electronically submitted FFS claims.

View source ↗ · Source checked 2026-10-25

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claims

IHCP FFS adjustments and refunds addresses

Official page read
Phone

No phone listed for this route

Published hours

Not published in this record

Product, plan and location

medicaid
Indiana

Mailing address
Gainwell – Refunds PO Box 2303, Dept. 130 Indianapolis, IN 46206-2303

FFS refund checks

Adjustment forms (no refund checks): Gainwell – Adjustments, PO Box 50444, Indianapolis, IN 46250-0420. Refund checks go to the refunds box shown. Uncashed check returns: Gainwell – Finance, PO Box 50458.

View source ↗ · Source checked 2026-10-25

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Call preparation · editorial guide

Make the call count.

Find claim-status contacts and document destinations. A billing address, appeal address and original-claim address are not interchangeable.

Have ready in your secure workspace

  • Claim number, service dates and billed amount
  • Submission acknowledgement and remittance
  • Provider billing identifiers

Questions to resolve

  • Was the claim received and accepted for processing?
  • What specifically prevents payment or final processing?
  • Is a corrected claim, reconsideration or appeal the right route?

This is a general administrative checklist, not payer policy or advice about a particular patient. Confirm the current plan instructions.

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