Healthcare provider profile · identity verified

Catherine N Kumaradhas, MD

Internal Medicine · DERBY, CT · NPI 1326357955

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
Levothyroxine SodiumLevothyroxine Sodium30470
Pravastatin SodiumPravastatin Sodium20761
Amlodipine BesylateAmlodipine Besylate20363
Rosuvastatin CalciumRosuvastatin Calcium19153
Atorvastatin CalciumAtorvastatin Calcium18960
Losartan PotassiumLosartan Potassium17253
Escitalopram OxalateEscitalopram Oxalate12535
AzithromycinAzithromycin11089
LisinoprilLisinopril10027
SynthroidLevothyroxine Sodium8818
Sertraline HclSertraline Hcl8223
HydrochlorothiazideHydrochlorothiazide7822
Metoprolol SuccinateMetoprolol Succinate7625
OmeprazoleOmeprazole7620
OzempicSemaglutide7111
Pantoprazole SodiumPantoprazole Sodium6922
AlprazolamAlprazolam6520
SimvastatinSimvastatin6418
TelmisartanTelmisartan5914
Montelukast SodiumMontelukast Sodium5416
EzetimibeEzetimibe5220
Albuterol Sulfate HfaAlbuterol Sulfate5117
Zolpidem TartrateZolpidem Tartrate4912
Metformin HclMetformin Hcl4414
EliquisApixaban43suppressed
GabapentinGabapentin4316
Metoprolol TartrateMetoprolol Tartrate4312
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst4226
Metformin Hcl ErMetformin Hcl3913
IrbesartanIrbesartan36suppressed
MethylprednisoloneMethylprednisolone3127
Doxycycline HyclateDoxycycline Hyclate2924
Amitriptyline HclAmitriptyline Hcl27suppressed
Fluoxetine HclFluoxetine Hcl27suppressed
Meclizine HclMeclizine Hcl2712
FamotidineFamotidine2613
PrednisonePrednisone2617
Tamsulosin HclTamsulosin Hcl26suppressed
Tramadol HclTramadol Hcl2615
Alendronate SodiumAlendronate Sodium25suppressed
Ondansetron HclOndansetron Hcl2515
Trazodone HclTrazodone Hcl2511
CelecoxibCelecoxib24suppressed
Nebivolol HclNebivolol Hcl24suppressed
LorazepamLorazepam23suppressed
ValacyclovirValacyclovir Hcl23suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip2212
FurosemideFurosemide2111
Bupropion XlBupropion Hcl20suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl20suppressed
Duloxetine HclDuloxetine Hcl20suppressed
ValsartanValsartan20suppressed
AllopurinolAllopurinol19suppressed
Repatha SureclickEvolocumab19suppressed
AtenololAtenolol1711
FinasterideFinasteride17suppressed
Fluticasone PropionateFluticasone Propionate1714
GlimepirideGlimepiride17suppressed
JanuviaSitagliptin Phosphate17suppressed
Klor-Con M20Potassium Chloride17suppressed
Potassium ChloridePotassium Chloride17suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium16suppressed
Telmisartan-HydrochlorothiazidTelmisartan/Hydrochlorothiazid16suppressed
Bupropion Hcl SrBupropion Hcl15suppressed
Clobetasol PropionateClobetasol Propionate15suppressed
MeloxicamMeloxicam14suppressed
Ciprofloxacin HclCiprofloxacin Hcl1312
Paroxetine HclParoxetine Hcl13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
AmbienZolpidem Tartrate12suppressed
Breo ElliptaFluticasone/Vilanterol12suppressed
KetoconazoleKetoconazole12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11suppressed
Citalopram HbrCitalopram Hydrobromide11suppressed
Fluticasone Propionate HfaFluticasone Propionate11suppressed
Mometasone FuroateMometasone Furoate11suppressed
MounjaroTirzepatide11suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters11suppressed

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