This page contains information you can use to exchange healthcare transactions with GMP Employers Retiree Trust using Stedi.
Use any of the following payer IDs to send transactions to GMP Employers Retiree Trust using Stedi APIs or SFTP. Read the docs
Primary Payer ID
GMPER
Stedi Payer ID
LHMWZ
Payer ID aliases
00121, 23641, 4159, GMPER
Supported transactions
Use Stedi to exchange the following transactions with GMP Employers Retiree Trust using APIs or SFTP. Send transactions as JSON or raw EDI files.
Eligibility & benefit verification
Not supported
Eligibility checks
(270/271)
Verify member coverage and benefits by sending real-time and batch eligibility checks to GMP Employers Retiree Trust.
Not supported
Coordination of benefits checks
(COB)
Submit coordination of benefit checks to GMP Employers Retiree Trust to determine if a member has overlapping coverage with another plan and determine each payer's responsibility for paying claims.
Claims processing
Not supported
Real-time claim status
(276/277)
Check on the status of a claim previously submitted to GMP Employers Retiree Trust in real-time by sending a claim status check (276/277).
Not supported
Professional claims
(837P)
Submit professional claims to GMP Employers Retiree Trust and receive 277 claim acknowledgments asynchronously.
Not supported
Institutional claims
(837I)
Submit institutional claims to GMP Employers Retiree Trust and receive 277 claim acknowledgments asynchronously.
Supported, enrollment required
Claim payments
(835 ERA)
Receive electronic remittance advice (ERAs) from GMP Employers Retiree Trust to review full payment details.
Not supported
Dental claims
(837D)
Submit dental claims to GMP Employers Retiree Trust and receive 277 claim acknowledgments asynchronously.
Not supported
Unsolicited claim attachments
(275)
Receive unsolicited attachments for claims submitted to GMP Employers Retiree Trust.
Get started
Use Stedi's APIs to get fast and reliable connectivity to GMP Employers Retiree Trust and start processing healthcare claims and eligibility checks within minutes.
Start processing healthcare claims and eligibility checks with Stedi and GMP Employers Retiree Trust today.