caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1548220296

Mark MercierM.D.

Emergency MedicineColumbia, SCI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
367
Unique beneficiaries
—
Total services
386
Distinct HCPCS
2
Medicare payment
$46K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 958 Emergency Medicine providers in SC — above median (cohort median 413).
PRESCRIBING · PART D · 2024
Total Rx claims
14
Beneficiaries
—
Total drug cost
$94
Distinct drugs
1
Brand share
0.0%
Top prescribed drugs
Cephalexin14 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Mark Mercier's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 36 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
BEAUFORT COUNTY MEMORIAL HOSPITAL4731,445
Clyde Blalock
Diagnostic Radiology · Beaufort, SC
198535
William Jackson
Diagnostic Radiology · Beaufort, SC
171398
Nicholas Dardes
Internal Medicine · Beaufort, SC
44137
HAWES, MARY3890
Randy Lagoc-Dingus
Internal Medicine · Hilton Head Island, SC
3785
David Phillips
Emergency Medicine · Hilton Head Island, SC
3680
Stacey Johnston
Family Practice · South Bend, IN
3664
Christopher Walker
Internal Medicine · Hilton Head Island, SC
3584
MEDICAL UNIVERSITY HOSPITAL AUTHORITY3482
Saeed Rehman
Emergency Medicine · Beaufort, SC
3488
Stuart Smalheiser
Cardiology · Beaufort, SC
3479
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.