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Payer Directory
IMS: payer ID and claims support
IMS uses payer ID IMSMS. Real-time eligibility isn't available for this payer today — here's what transactions it does support, and how to reach them.
Payer ID
IMSMSCommercialIMS at a glance
What billers need before running a check.
Payer ID
IMSMSAlso known as 15688, 4445, 8918
Real-time eligibility
Not available
Verify coverage through the payer’s portal or phone line.
Coverage
medical
Commercial
Operating area
Texas
Payer website
www.imstpa.comSupported transactions
What can be exchanged electronically with IMS today.
| Transaction | Status |
|---|---|
Eligibility (270/271) Real-time benefit and coverage checks | NOT AVAILABLE |
Claim status (276/277) Where a submitted claim stands | NOT AVAILABLE |
Professional claims (837P) Physician and outpatient claims | SUPPORTED |
Institutional claims (837I) Facility claims | SUPPORTED |
Dental claims (837D) Dental claims | NOT AVAILABLE |
Remittance (835 ERA) Electronic remittance advice | ENROLLMENT REQUIRED |
Coordination of benefits Secondary-payer routing | NOT AVAILABLE |
Claim attachments (275) Supporting documentation | NOT AVAILABLE |
Frequently asked questions
What is the payer ID for IMS?+–
IMS uses payer ID IMSMS. It also appears as 15688, 4445, 8918 in some systems.
Does IMS support real-time eligibility verification?+–
Not electronically today. Coverage for IMS has to be confirmed through the payer's own portal or phone line. Claims, however, can be submitted electronically.
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