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Payer Directory
Golden Coast MSO: payer ID and claims support
Golden Coast MSO uses payer ID GCMSO. Real-time eligibility isn't available for this payer today — here's what transactions it does support, and how to reach them.
Payer ID
GCMSOCommercialGolden Coast MSO at a glance
What billers need before running a check.
Payer ID
GCMSOAlso known as 6009, 9158
Real-time eligibility
Not available
Verify coverage through the payer’s portal or phone line.
Coverage
medical
Commercial
Operating area
California
Payer website
www.goldencoastmso.comSupported transactions
What can be exchanged electronically with Golden Coast MSO 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 | NOT AVAILABLE |
Coordination of benefits Secondary-payer routing | NOT AVAILABLE |
Claim attachments (275) Supporting documentation | NOT AVAILABLE |
Frequently asked questions
What is the payer ID for Golden Coast MSO?+–
Golden Coast MSO uses payer ID GCMSO. It also appears as 6009, 9158 in some systems.
Does Golden Coast MSO support real-time eligibility verification?+–
Not electronically today. Coverage for Golden Coast MSO has to be confirmed through the payer's own portal or phone line. Claims, however, can be submitted electronically.
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