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Payer Directory
Optum: payer ID and claims support
Optum uses payer ID IP079. Real-time eligibility isn't available for this payer today — here's what transactions it does support, and how to reach them.
Payer ID
IP079Optum at a glance
What billers need before running a check.
Payer ID
IP079Also known as EMP01, ORXM1
Real-time eligibility
Not available
Verify coverage through the payer’s portal or phone line.
Coverage
medical
Operating area
Not published
Payer website
www.nammcal.comSupported transactions
What can be exchanged electronically with Optum 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 Optum?+–
Optum uses payer ID IP079. It also appears as EMP01, ORXM1 in some systems.
Does Optum support real-time eligibility verification?+–
Not electronically today. Coverage for Optum has to be confirmed through the payer's own portal or phone line. Claims, however, can be submitted electronically.
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