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 1205891207

John WillisDO

Internal MedicineMansfield, TXI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 670023
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
7,914
Beneficiaries
—
Total drug cost
$749K
Distinct drugs
134
Brand share
20.3%
Top prescribed drugs
Atorvastatin Calcium449 claims
Amlodipine Besylate444 claims
Losartan Potassium419 claims
Levothyroxine Sodium274 claims
Metformin Hcl229 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$386
Payment records
19
By payment type
Food and Beverage$386
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
503
Unique beneficiaries
—
Total services
787
Distinct HCPCS
10
Medicare payment
$56K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 6,183 Internal Medicine providers in TX — above median (cohort median 673).
REFERRAL NETWORK

Where John Willis'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). 10 inbound referrers · 18 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · Dallas, TX
90310
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
5281
Douglas Hammons
Diagnostic Radiology · Fort Worth, TX
3179
James Richardson
Cardiology · Mansfield, TX
27106
COLUMBIA MEDICAL CENTER OF ARLINGTON SUBSIDIARY LP1549
Ketan Trivedi
Emergency Medicine · Dallas, TX
1459
Minh Nguyen
Emergency Medicine · Midlothian, TX
1328
Health Imaging Partners, Llc
Independent Diagnostic Testing Facility (IDTF) · Mansfield, TX
1229
NPI 14372361301227
Shawn Corwin
Emergency Medicine · Mansfield, TX
1126
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
METHODIST HOSPITALS OF DALLAS1563,110
Laboratory Corporation Of America
Clinical Laboratory · Dallas, TX
135456
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Irving, TX
67216
Douglas Hammons
Diagnostic Radiology · Fort Worth, TX
44158
Clinical Pathology Laboratories, Inc.
Clinical Laboratory · Austin, TX
2848
Shelley Lenamond
Internal Medicine · Mansfield, TX
23429
William Gregory
Diagnostic Radiology · Fort Worth, TX
2354
James Richardson
Cardiology · Mansfield, TX
2368
Alan Taylor
Cardiology · Mansfield, TX
2276
Michael Venincasa
Cardiology · Irving, TX
2091
Muhammad Memon
Gastroenterology · Mansfield, TX
1864
Carlos Wade
Internal Medicine · Burleson, TX
16173
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.