Healthcare provider profile · identity verified

Thomas I Knox, MD

Allopathic & Osteopathic Physicians|Internal Medicine|Cardiovascular Disease · WEST HARTFORD, CT · NPI 1609838218

Profile state: payments and partd Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

CMS Open Payments records show Thomas I Knox, MD received $922.73 in general payments during 2025 across 42 reported records.

Bayer Healthcare Pharmaceuticals Inc. accounted for 18.6% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 16 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Jardiance.

Boehringer Ingelheim Pharmaceuticals, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported JARDIANCE as an associated drug or biological on 123636 records involving 49438 distinct recipient NPIs. Public Medicare Part D data also shows 23 claims for Jardiance by this doctor in 2024.

E.R. Squibb & Sons, L.L.C. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported ELIQUIS as an associated drug or biological on 27956 records involving 14870 distinct recipient NPIs. Public Medicare Part D data also shows 157 claims for Eliquis by this doctor in 2024.

Lilly USA, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported JARDIANCE as an associated drug or biological on 47708 records involving 23833 distinct recipient NPIs. Public Medicare Part D data also shows 23 claims for Jardiance by this doctor in 2024.

Novartis Pharmaceuticals Corporation reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported ENTRESTO as an associated drug or biological on 9346 records involving 6254 distinct recipient NPIs. Public Medicare Part D data also shows 38 claims for Entresto by this doctor in 2024.

PFIZER INC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported ELIQUIS as an associated drug or biological on 87112 records involving 36032 distinct recipient NPIs. Public Medicare Part D data also shows 157 claims for Eliquis by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$922.73

42 reported records · 13 companies

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Bayer Healthcare Pharmaceuticals Inc. Unresolved — no canonical attribution shown $171.3518.6%92025
Merck Sharp & Dohme LLC Unresolved — no canonical attribution shown $168.8618.3%72025
Amgen Inc. Unresolved — no canonical attribution shown $108.5811.8%52025
CARDIVA MEDICAL, INC. Unresolved — no canonical attribution shown $76.548.3%32025
Novartis Pharmaceuticals Corporation Unresolved — no canonical attribution shown $74.378.1%32025
Novo Nordisk Inc Unresolved — no canonical attribution shown $68.587.4%32025
Lilly USA, LLC Unresolved — no canonical attribution shown $63.216.8%32025
E.R. Squibb & Sons, L.L.C. Unresolved — no canonical attribution shown $54.855.9%32025
JAZZ PHARMACEUTICALS INC. Unresolved — no canonical attribution shown $43.264.7%22025
PFIZER INC. Unresolved — no canonical attribution shown $27.433.0%12025
GlaxoSmithKline, LLC. Unresolved — no canonical attribution shown $25.042.7%12025
Boehringer Ingelheim Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $24.212.6%12025
VivaQuant Inc, dba Rhythm Express Unresolved — no canonical attribution shown $16.451.8%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$882.8940
Education$39.842

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
Kerendia
Normalized: kerendia
Drug Bayer Healthcare Pharmaceuticals Inc. $171.35 9 2025
Source payment records
VERQUVO
Normalized: verquvo
Drug Merck Sharp & Dohme LLC $168.86 7 2025
Source payment records
REPATHA
Normalized: repatha
Biological Amgen Inc. $108.58 5 2025
Source payment records
LEQVIO
Normalized: leqvio
Drug Novartis Pharmaceuticals Corporation $74.37 3 2025
Source payment records
CARDIVA VASCADE 6/7F VCS
Normalized: cardiva vascade 6 7f vcs
Device CARDIVA MEDICAL, INC. $61.17 2 2025
Source payment records
CAMZYOS
Normalized: camzyos
Drug E.R. Squibb & Sons, L.L.C. $54.85 3 2025
Source payment records
Wegovy
Normalized: wegovy
Drug Novo Nordisk Inc $48.05 2 2025
Source payment records
XYWAV
Normalized: xywav
Drug JAZZ PHARMACEUTICALS INC. $43.26 2 2025
Source payment records
ZEPBOUND
Normalized: zepbound
Drug Lilly USA, LLC $37.91 2 2025
Source payment records
VYNDAQEL
Normalized: vyndaqel
Drug PFIZER INC. $27.43 1 2025
Source payment records
MOUNJARO
Normalized: mounjaro
Drug Lilly USA, LLC $25.30 1 2025
Source payment records
AREXVY
Normalized: arexvy
Biological GlaxoSmithKline, LLC. $25.04 1 2025
Source payment records
SHINGRIX
Normalized: shingrix
Biological GlaxoSmithKline, LLC. $25.04 1 2025
Source payment records
JARDIANCE
Normalized: jardiance
Drug Boehringer Ingelheim Pharmaceuticals, Inc. $24.21 1 2025
Source payment records
RHYTHM EXPRESS
Normalized: rhythm express
Device VivaQuant Inc, dba Rhythm Express $16.45 1 2025
Source payment records
CARDIVA VASCADE MVP VVCS 6-12F
Normalized: cardiva vascade mvp vvcs 6 12f
Device CARDIVA MEDICAL, INC. $15.37 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

Open Payments productPayment yearPart D brandPart D yearClaimsMatch methodSource
JARDIANCE
jardiance
2025 Jardiance 2024 23
Beneficiary count suppressed
exact normalized Medicare Part D

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
Boehringer Ingelheim Pharmaceuticals, Inc.
Exact reporting entity; no affiliate inference
2025 JARDIANCE
open payments reported associated product
CMS Open Payments — General Payments
123636 supporting records · 49438 recipient NPIs · example record 1221811583
Jardiance · 2024
Exact normalized brand match · 1 Part D row
23 suppressed by CMS
E.R. Squibb & Sons, L.L.C.
Exact reporting entity; no affiliate inference
2025 ELIQUIS
open payments reported associated product
CMS Open Payments — General Payments
27956 supporting records · 14870 recipient NPIs · example record 1184377713
Eliquis · 2024
Exact normalized brand match · 1 Part D row
157 41
Lilly USA, LLC
Exact reporting entity; no affiliate inference
2025 JARDIANCE
open payments reported associated product
CMS Open Payments — General Payments
47708 supporting records · 23833 recipient NPIs · example record 1186464557
Jardiance · 2024
Exact normalized brand match · 1 Part D row
23 suppressed by CMS
Novartis Pharmaceuticals Corporation
Exact reporting entity; no affiliate inference
2025 ENTRESTO
open payments reported associated product
CMS Open Payments — General Payments
9346 supporting records · 6254 recipient NPIs · example record 1200004797
Entresto · 2024
Exact normalized brand match · 1 Part D row
38 suppressed by CMS
PFIZER INC.
Exact reporting entity; no affiliate inference
2025 ELIQUIS
open payments reported associated product
CMS Open Payments — General Payments
87112 supporting records · 36032 recipient NPIs · example record 1228794063
Eliquis · 2024
Exact normalized brand match · 1 Part D row
157 41

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Metoprolol SuccinateMetoprolol Succinate30684
Atorvastatin CalciumAtorvastatin Calcium27385
Amlodipine BesylateAmlodipine Besylate25567
Losartan PotassiumLosartan Potassium25060
XareltoRivaroxaban21244
ClopidogrelClopidogrel Bisulfate20051
FurosemideFurosemide18656
EliquisApixaban15741
Metoprolol TartrateMetoprolol Tartrate12937
LisinoprilLisinopril11733
CarvedilolCarvedilol10427
HydrochlorothiazideHydrochlorothiazide9022
Amiodarone HclAmiodarone Hcl8621
Rosuvastatin CalciumRosuvastatin Calcium8620
Hydralazine HclHydralazine Hcl8013
Ranolazine ErRanolazine6416
EzetimibeEzetimibe6119
DigoxinDigoxin5314
NitroglycerinNitroglycerin5224
TorsemideTorsemide5115
Diltiazem 24hr Er (Cd)Diltiazem Hcl4915
Pantoprazole SodiumPantoprazole Sodium49suppressed
ValsartanValsartan4614
SimvastatinSimvastatin4512
MetolazoneMetolazone4211
BrilintaTicagrelor40suppressed
EntrestoSacubitril/Valsartan38suppressed
Warfarin SodiumWarfarin Sodium33suppressed
Potassium ChloridePotassium Chloride30suppressed
AlprazolamAlprazolam29suppressed
DiazepamDiazepam2920
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen2919
Zolpidem TartrateZolpidem Tartrate29suppressed
Nebivolol HclNebivolol Hcl27suppressed
Praluent PenAlirocumab27suppressed
Hydromorphone HclHydromorphone Hcl26suppressed
JardianceEmpagliflozin23suppressed
Oxycodone HclOxycodone Hcl22suppressed
AtenololAtenolol21suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate21suppressed
Albuterol Sulfate HfaAlbuterol Sulfate20suppressed
ChlorthalidoneChlorthalidone20suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate20suppressed
Olmesartan MedoxomilOlmesartan Medoxomil19suppressed
SpironolactoneSpironolactone19suppressed
FarxigaDapagliflozin Propanediol18suppressed
SotalolSotalol Hcl18suppressed
Levothyroxine SodiumLevothyroxine Sodium17suppressed
Propranolol Hcl ErPropranolol Hcl17suppressed
Tramadol HclTramadol Hcl17suppressed
Doxazosin MesylateDoxazosin Mesylate14suppressed
Meclizine HclMeclizine Hcl14suppressed
ClonazepamClonazepam13suppressed
Klor-Con M20Potassium Chloride13suppressed
Ondansetron HclOndansetron Hcl13suppressed
Trazodone HclTrazodone Hcl13suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide13suppressed
Diltiazem HclDiltiazem Hcl12suppressed
HydrocortisoneHydrocortisone12suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12suppressed
Pravastatin SodiumPravastatin Sodium12suppressed
Pitavastatin CalciumPitavastatin Calcium11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025 $922.73 · 42 records Bayer Healthcare Pharmaceuticals Inc. AREXVY, CAMZYOS, CARDIVA VASCADE 6/7F VCS, CARDIVA VASCADE MVP VVCS 6-12F, JARDIANCE, Kerendia, LEQVIO, MOUNJARO, REPATHA, RHYTHM EXPRESS, SHINGRIX, VERQUVO, VYNDAQEL, Wegovy, XYWAV, ZEPBOUND 5
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error