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 1114011798

Thomas Kalmbach

Thoracic SurgeryMerrillville, INI
CROSS-REFERENCE

Related data on other Healthparse brands

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

Hospital & Facility Affiliations (2)

CCN 150006
Hospital
CCN 150035
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Thomas Kalmbach'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 · 48 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
INDIANA UNIVERSITY HEALTH LA PORTE HOSPITAL INC83316
PORTER HOSPITAL LLC76293
Smari Thordarson
Diagnostic Radiology · Laporte, IN
50154
Krishna Pillai
Diagnostic Radiology · La Porte, IN
44109
David Gorecki
Cardiology · La Porte, IN
41237
Jack Markiewicz
Diagnostic Radiology · Indianapolis, IN
41100
Rishi Sukhija
Interventional Cardiology · Cincinnati, OH
37166
John De Persio
Diagnostic Radiology · Nashua, NH
3474
Esther Lee
Diagnostic Radiology · Valparaiso, IN
2897
Omar Barakat
Diagnostic Radiology · Valparaiso, IN
2679
Vivek Mishra
Diagnostic Radiology · Laporte, IN
2354
Jeffrey Huth
Diagnostic Radiology · Valparaiso, IN
2168
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
INDIANA UNIVERSITY HEALTH LA PORTE HOSPITAL INC98363
PORTER HOSPITAL LLC84411
Irfan Ahmad
Diagnostic Radiology · Columbus, OH
48229
John De Persio
Diagnostic Radiology · Nashua, NH
46161
Smari Thordarson
Diagnostic Radiology · Laporte, IN
41229
Joseph Venditti
Thoracic Surgery · Merrillville, IN
41113
David Gorecki
Cardiology · La Porte, IN
39274
Abul Basher
Cardiology · Michigan City, IN
3491
Syed Ali
Diagnostic Radiology · La Porte, IN
34141
Omar Barakat
Diagnostic Radiology · Valparaiso, IN
33152
Vivek Mishra
Diagnostic Radiology · Laporte, IN
3298
Krishna Pillai
Diagnostic Radiology · La Porte, IN
32146
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.