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 1710911417

Clark WilliamsMD

PRACTICEGRANT REGIONAL FAMILY PRACTICESee all providers at this practice →
Emergency MedicineLancaster, WII
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
43
Beneficiaries
—
Total drug cost
$583
Distinct drugs
3
Brand share
32.6%
Top prescribed drugs
Cephalexin16 claims
Albuterol Sulfate14 claims
Prednisone13 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Clark Williams'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). 23 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ENGELKEN, JOHN109205
James Stecher
Diagnostic Radiology · Iowa City, IA
91199
Michael Riley
Diagnostic Radiology · Dubuque, IA
76160
Jason Hughes
Diagnostic Radiology · Eden Prairie, MN
73134
Michael Fleege
Diagnostic Radiology · Dubuque, IA
67127
MERRICK, ROBERT63102
Kelly Brown
Emergency Medicine · Detroit, MI
46129
STATE UNIVERSITY OF IOWA4681
Michael Kuennen
Hospitalist · Dubuque, IA
4459
PAULSEN, GREGORY4280
Alexander Jones
Hospitalist · Dubuque, IA
3870
Ramanujam Ramabadran
Cardiology · Dubuque, IA
2770
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
11
Unique beneficiaries
—
Total services
12
Distinct HCPCS
1
Medicare payment
$72
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 945 Emergency Medicine providers in WI — bottom quintile (cohort median 298).