C
Payer Directory
County Medical Services Program: payer ID and claims support
County Medical Services Program uses payer ID CMSP1. Real-time eligibility isn't available for this payer today — here's what transactions it does support, and how to reach them.
Payer ID
CMSP1County Medical Services Program at a glance
What billers need before running a check.
Payer ID
CMSP1Real-time eligibility
Not available
Verify coverage through the payer’s portal or phone line.
Coverage
medical
Operating area
Not published
Supported transactions
What can be exchanged electronically with County Medical Services Program 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 County Medical Services Program?+–
County Medical Services Program uses payer ID CMSP1.
Does County Medical Services Program support real-time eligibility verification?+–
Not electronically today. Coverage for County Medical Services Program has to be confirmed through the payer's own portal or phone line. Claims, however, can be submitted electronically.
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