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 1144218991

Malcolm WilliamsonMD

Diagnostic RadiologyOcala, FLI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 100062
Hospital
CCN 100212
Hospital
CCN 100249
Hospital
CCN 110029
Hospital
CCN 490113
Hospital
QUALITY · MIPS · 2024
Final MIPS score
100.0
Quality
100.0
Cost
0.0
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
1.05%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
5,602
Unique beneficiaries
—
Total services
18,567
Distinct HCPCS
64
Medicare payment
$238K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 2,105 Diagnostic Radiology providers in FL — top quintile (cohort median 3,397).
REFERRAL NETWORK

Where Malcolm Williamson'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). 251 inbound referrers · 589 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MUNROE HMA HOSPITAL LLC1,1612,042
Caleb Rivera
Interventional Radiology · Ocala, FL
342755
John Boon
Diagnostic Radiology · Ocala, FL
333588
Edson Cortes
Diagnostic Radiology · Ocala, FL
289535
David Mckay
Interventional Radiology · Ocala, FL
287628
YAP, MARK287629
Ralf Barckhausen
Diagnostic Radiology · Ocala, FL
282509
Laboratory Corporation Of America
Clinical Laboratory · Tampa, FL
266434
John Cain
Diagnostic Radiology · Ocala, FL
243474
WILLARD, MARK237441
TRIGG, LANCE216455
Ratnasabapathy Sivasekaran
Internal Medicine · Ocala, FL
209737
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MUNROE HMA HOSPITAL LLC1,4792,538
MARION COMMUNITY HOSPITAL, INC.8641,327
Marion County Board Of Commissioner
Ambulance Service Provider · Ocala, FL
8571,389
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Tampa, FL
435839
David Mckay
Interventional Radiology · Ocala, FL
421769
Kareem Bohsali
Interventional Radiology · Ocala, FL
397829
YAP, MARK378835
Caleb Rivera
Interventional Radiology · Ocala, FL
369659
Leopard Medical Transport, Llc
Ambulance Service Provider · Ocala, FL
361644
John Scales
Interventional Radiology · Gainesville, GA
352696
Rolando Prieto
Interventional Radiology · Ocala, FL
336601
RADUNS, KERRY327615
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.