M
Payer Directory
How to check MCS eligibility
A portal or phone check takes a front-desk staffer 10–15 minutes per patient. A real-time 270/271 check returns plan status, copays, deductibles, and out-of-pocket maximums in seconds.
Payer ID
L0170Real-time 270/271Enrollment requiredCommercialThree ways to verify MCS coverage
- Payer portal — free, but one patient at a time and 10–15 minutes each with logins.
- Phone (IVR) — hold times vary; no written record for the chart.
- Automated 270/271 check — full benefit detail in seconds, batched for the whole schedule, from $0.50 per check.
MCS at a glance
What billers need before running a check.
Payer ID
L0170Also known as 10952, 6197P, 66039, QFVIA
Real-time eligibility
After enrollment
A one-time enrollment is required before checks can run.
Coverage
dental, medical, vision
Commercial
Operating area
Puerto Rico
Payer website
mcs.com.prSupported transactions
What can be exchanged electronically with MCS today.
| Transaction | Status |
|---|---|
Eligibility (270/271) Real-time benefit and coverage checks | ENROLLMENT REQUIRED |
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 | SUPPORTED |
Remittance (835 ERA) Electronic remittance advice | ENROLLMENT REQUIRED |
Coordination of benefits Secondary-payer routing | NOT AVAILABLE |
Claim attachments (275) Supporting documentation | NOT AVAILABLE |
Portal vs. phone vs. automated
The same verification, three ways.
| Payer portal | Phone / IVR | Automated check | |
|---|---|---|---|
| Time per patient | 10–15 min | 15–30 min | Seconds |
| Cost per check | ~$6.72 staff time* | ~$6.72+ staff time* | from $0.50 |
| Record for the chart | Screenshot | None | Full audit trail |
| Whole-day schedule | One at a time | One at a time | Batched overnight |
*CAQH Index benchmark for a manual eligibility verification.
Frequently asked questions
What is the payer ID for MCS?+–
MCS uses payer ID L0170. It also appears as 10952, 6197P, 66039, QFVIA in some systems.
Does MCS support real-time eligibility verification?+–
Yes. MCS supports real-time 270/271 eligibility checks after a one-time enrollment. Once enrolled, checks return in seconds.
How long does a MCS eligibility check take?+–
A portal check takes 10–15 minutes of staff time per patient. An automated real-time check returns in seconds and can run for an entire day's schedule overnight.
Run your first MCS eligibility check in 5 minutes
From $0.50 per check, pay-as-you-go. No contract, no implementation project.
65%
fewer denials at Valley Diabetes & Obesity
90%
of eligibility checks fully automated
$107–149K
annual savings, small specialty practice
24 mo
in production
