Healthcare provider profile · identity verified

Robert E Byrne, M.D.

Medical Oncology · HOLYOKE, MA · NPI 1174510135

Profile state: partd only 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

We did not find matching Open Payments records for this doctor in 2025.

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

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

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.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

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.

There is no payer-company set available for this comparison.

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
Atorvastatin CalciumAtorvastatin Calcium24664
LisinoprilLisinopril22061
SimvastatinSimvastatin19442
EliquisApixaban17922
OmeprazoleOmeprazole17738
GabapentinGabapentin17532
Metformin HclMetformin Hcl15837
Amlodipine BesylateAmlodipine Besylate14629
FurosemideFurosemide12026
Metoprolol SuccinateMetoprolol Succinate11628
Metoprolol TartrateMetoprolol Tartrate11322
Levothyroxine SodiumLevothyroxine Sodium10321
Trazodone HclTrazodone Hcl9318
Tamsulosin HclTamsulosin Hcl8324
AtenololAtenolol7718
Potassium ChloridePotassium Chloride6815
PrednisonePrednisone6829
Albuterol Sulfate HfaAlbuterol Sulfate6520
FinasterideFinasteride6212
HydrochlorothiazideHydrochlorothiazide5414
Warfarin SodiumWarfarin Sodium50suppressed
Losartan PotassiumLosartan Potassium47suppressed
Sertraline HclSertraline Hcl47suppressed
IbuprofenIbuprofen44suppressed
MirtazapineMirtazapine4411
OzempicSemaglutide44suppressed
TrulicityDulaglutide42suppressed
ImbruvicaIbrutinib38suppressed
Escitalopram OxalateEscitalopram Oxalate36suppressed
Pantoprazole SodiumPantoprazole Sodium36suppressed
Citalopram HbrCitalopram Hydrobromide32suppressed
ClopidogrelClopidogrel Bisulfate29suppressed
Ondansetron HclOndansetron Hcl2913
Cyclobenzaprine HclCyclobenzaprine Hcl28suppressed
AcyclovirAcyclovir27suppressed
Fluoxetine HclFluoxetine Hcl27suppressed
Fluticasone PropionateFluticasone Propionate26suppressed
Hydralazine HclHydralazine Hcl26suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2620
ValsartanValsartan26suppressed
Anagrelide HclAnagrelide Hcl25suppressed
AllopurinolAllopurinol24suppressed
DexamethasoneDexamethasone24suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog24suppressed
ValacyclovirValacyclovir Hcl24suppressed
AzithromycinAzithromycin2321
Pioglitazone HclPioglitazone Hcl23suppressed
JanuviaSitagliptin Phosphate22suppressed
LorazepamLorazepam22suppressed
Doxycycline HyclateDoxycycline Hyclate2113
KetoconazoleKetoconazole21suppressed
Paroxetine HclParoxetine Hcl21suppressed
Donepezil HclDonepezil Hcl20suppressed
Bupropion XlBupropion Hcl19suppressed
Pravastatin SodiumPravastatin Sodium19suppressed
Rosuvastatin CalciumRosuvastatin Calcium19suppressed
AnastrozoleAnastrozole18suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1814
AmoxicillinAmoxicillin17suppressed
Memantine HclMemantine Hcl17suppressed
Bupropion HclBupropion Hcl16suppressed
Bupropion Hcl SrBupropion Hcl16suppressed
CelecoxibCelecoxib16suppressed
Doxazosin MesylateDoxazosin Mesylate16suppressed
FenofibrateFenofibrate16suppressed
LidocaineLidocaine16suppressed
LoperamideLoperamide Hcl16suppressed
MeloxicamMeloxicam16suppressed
Ondansetron OdtOndansetron16suppressed
Clobetasol PropionateClobetasol Propionate15suppressed
JantovenWarfarin Sodium15suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1411
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine14suppressed
CarvedilolCarvedilol14suppressed
Ciprofloxacin HclCiprofloxacin Hcl1413
Duloxetine HclDuloxetine Hcl14suppressed
Ventolin HfaAlbuterol Sulfate14suppressed
ScemblixAsciminib Hydrochloride13suppressed
SynthroidLevothyroxine Sodium13suppressed
Tramadol HclTramadol Hcl13suppressed
ClonazepamClonazepam12suppressed
GlipizideGlipizide12suppressed
LetrozoleLetrozole12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
Oseltamivir PhosphateOseltamivir Phosphate12suppressed
PregabalinPregabalin12suppressed
Sandostatin Lar DepotOctreotide Acetate,mi-Spheres12suppressed
ChlorthalidoneChlorthalidone11suppressed
LovastatinLovastatin11suppressed
Meclizine HclMeclizine Hcl11suppressed
NovologInsulin Aspart11suppressed
NystatinNystatin11suppressed
PaxlovidNirmatrelvir/Ritonavir11suppressed
TorsemideTorsemide11suppressed

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
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