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 1093898546

William LasswellM.D.

Internal MedicineVero Beach, FLI
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$34
Payment records
2
By payment type
Food and Beverage$34
PRESCRIBING · PART D · 2024
Total Rx claims
33
Beneficiaries
—
Total drug cost
$457
Distinct drugs
2
Brand share
0.0%
Top prescribed drugs
Levothyroxine Sodium22 claims
Metformin Hcl11 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,125
Unique beneficiaries
—
Total services
1,244
Distinct HCPCS
22
Medicare payment
$14K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 6,680 Internal Medicine providers in FL — above median (cohort median 727).
REFERRAL NETWORK

Where William Lasswell'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). 118 inbound referrers · 227 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
INDIAN RIVER MEMORIAL HOSPITAL INC4371,869
ARMSTEAD, ADAM76174
EAST COAST CLINICAL SERVICES INC75289
SEBASTIAN HOSPITAL LLC69275
Peter Joyce
Diagnostic Radiology · Vero Beach, FL
67149
County Of Indian River
Ambulance Service Provider · Vero Beach, FL
65141
John Holmes
Diagnostic Radiology · Vero Beach, FL
65116
Robert Bisset
Diagnostic Radiology · Vero Beach, FL
61140
Michele Maholtz
Pulmonary Disease · Vero Beach, FL
58283
PECHTER, RICHARD55120
COLELLA, JAY54134
George Puskar
Diagnostic Radiology · Vero Beach, FL
4792
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Tampa, FL
4331,495
INDIAN RIVER MEMORIAL HOSPITAL INC4031,901
RODRIGUEZ-VIERA, VICTOR178744
Paul Graham
Endocrinology · Vero Beach, FL
170980
Denise Tonner
Endocrinology · Vero Beach, FL
113306
Heather Nagel
Diagnostic Radiology · Vero Beach, FL
84179
APPEL, JASON79179
Jeffrey Sacks
Diagnostic Radiology · Vero Beach, FL
76175
LAWNWOOD MEDICAL CENTER INC73321
John Suen
Pulmonary Disease · Vero Beach, FL
73405
ARMSTEAD, ADAM67146
SEBASTIAN HOSPITAL LLC65291
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.