ESIS third-party administration reference

Identify the responsible organization first

1. Use the applicable employer-plan materials or claim correspondence to identify the responsible insurer, employer program and administrator. For an existing claim, confirm the assigned representative and jurisdiction where applicable. This is verification guidance, not a mandatory list of portal fields.
2. Confirm this administrator's role for the specific plan, program or claim. Benefits administration, claim reporting, medical-bill processing and reconsideration are distinct workflows; a company name or public resource does not establish the submission route.
3. Verify each transaction and any clearinghouse or enrollment requirements with the responsible organization. Do not reuse a claims reference for eligibility, remittance or authorization without transaction-specific instructions.
4. Confirm billing deadlines for the specific claim, jurisdiction and responsible administrator.
5. Retain the governing plan or program documents, claim correspondence, applicable agreement, service date and deadline start event. Confirm any jurisdictional exceptions and use the actual decision notice for a dispute; do not import another insurer's appeal ladder or authorization clock.

Administration resources and contact scope

Use https://www.esis.com/esis-en/about/esis-existing-claim-contacts.html as the public starting point for ESIS administration resources. Confirm the applicable employer plan or claim, responsible organization and jurisdiction where relevant before choosing a submission or inquiry route. This source check did not authenticate or test a portal or certify electronic transaction support. QuickIntell is not the official administrator portal.

Open the administration-resource entry point

This registry lists 1-800-233-8931 as a contact reference for ESIS. Existing ESIS claim assistance. Benefits or doctor-change requests go to the claims handler; new claims use a separate reporting channel.

Source checks and remaining limits

The findings below concern the stated service role. This reference does not certify active insurance coverage, enrollment totals, every product or jurisdiction, electronic transaction capabilities, or a QuickIntell integration. Unknown fields are not proof that a service is unavailable. Earlier source findings and the full-record review date retain their original dates.

• record_scope

  ESIS manages third-party workers compensation, liability and disability claims. Treat the record as claims administration, not a general medical insurer.

  Source comparison: 2026-09-26

  Primary source

• portal_url

  Use the official existing-claim contact resource rather than an undifferentiated homepage.

  Source comparison: 2026-09-26

  Primary source

• provider_phone

  Published existing-claim assistance is 800-233-8931; new-claim reporting is separate. This is claims assistance, not universal provider eligibility.

  Source comparison: 2026-09-26

  Primary source

• timely_filing_days

  Claims administration scope does not establish a universal 90-day medical filing deadline.

  Source comparison: 2026-09-26

  Primary source

Frequently asked questions