Healthcare provider profile · identity verified

Rajesh Kumar Singh, M.D.

Internal Medicine · CHESTERFIELD, MO · NPI 1083841902

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
FurosemideFurosemide49853
Levothyroxine SodiumLevothyroxine Sodium35848
Atorvastatin CalciumAtorvastatin Calcium34239
EliquisApixaban29330
Sertraline HclSertraline Hcl27827
Pantoprazole SodiumPantoprazole Sodium26931
Metoprolol TartrateMetoprolol Tartrate25023
MirtazapineMirtazapine23231
GabapentinGabapentin22821
Metoprolol SuccinateMetoprolol Succinate20226
Tamsulosin HclTamsulosin Hcl19220
Trazodone HclTrazodone Hcl19236
LisinoprilLisinopril18223
Potassium ChloridePotassium Chloride16525
Amlodipine BesylateAmlodipine Besylate15630
Quetiapine FumarateQuetiapine Fumarate14625
Escitalopram OxalateEscitalopram Oxalate14020
Memantine HclMemantine Hcl13917
Losartan PotassiumLosartan Potassium13221
Donepezil HclDonepezil Hcl12223
Buspirone HclBuspirone Hcl10114
Citalopram HbrCitalopram Hydrobromide9615
ClopidogrelClopidogrel Bisulfate9412
Carbidopa-LevodopaCarbidopa/Levodopa9214
Divalproex SodiumDivalproex Sodium9216
Venlafaxine Hcl ErVenlafaxine Hcl84suppressed
XareltoRivaroxaban83suppressed
Bethanechol ChlorideBethanechol Chloride81suppressed
Tramadol HclTramadol Hcl8125
Pravastatin SodiumPravastatin Sodium79suppressed
Metformin HclMetformin Hcl75suppressed
FamotidineFamotidine6916
MyrbetriqMirabegron69suppressed
Hydralazine HclHydralazine Hcl67suppressed
Alendronate SodiumAlendronate Sodium63suppressed
FinasterideFinasteride62suppressed
Duloxetine HclDuloxetine Hcl61suppressed
MeloxicamMeloxicam61suppressed
GlipizideGlipizide60suppressed
CarvedilolCarvedilol5914
NamzaricMemantine Hcl/Donepezil Hcl58suppressed
Folic AcidFolic Acid53suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5112
LatanoprostLatanoprost51suppressed
SimvastatinSimvastatin51suppressed
LoperamideLoperamide Hcl4813
Methenamine HippurateMethenamine Hippurate48suppressed
Vitamin D2Ergocalciferol (Vitamin D2)44suppressed
Oxybutynin Chloride ErOxybutynin Chloride43suppressed
PregabalinPregabalin42suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl41suppressed
Fluticasone PropionateFluticasone Propionate3913
Amiodarone HclAmiodarone Hcl38suppressed
OmeprazoleOmeprazole3814
Isosorbide Mononitrate ErIsosorbide Mononitrate37suppressed
Memantine Hcl ErMemantine Hcl37suppressed
SpironolactoneSpironolactone37suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa36suppressed
Doxycycline HyclateDoxycycline Hyclate36suppressed
GlimepirideGlimepiride36suppressed
PrednisonePrednisone3611
Ropinirole HclRopinirole Hcl34suppressed
Oxybutynin ChlorideOxybutynin Chloride33suppressed
AnastrozoleAnastrozole32suppressed
Doxazosin MesylateDoxazosin Mesylate31suppressed
Rosuvastatin CalciumRosuvastatin Calcium31suppressed
TorsemideTorsemide31suppressed
IrbesartanIrbesartan30suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3013
CilostazolCilostazol29suppressed
AllopurinolAllopurinol28suppressed
Ondansetron OdtOndansetron2823
Amlodipine-ValsartanAmlodipine Besylate/Valsartan27suppressed
LovastatinLovastatin27suppressed
LevetiracetamLevetiracetam25suppressed
LorazepamLorazepam25suppressed
Warfarin SodiumWarfarin Sodium25suppressed
Ipratropium BromideIpratropium Bromide24suppressed
NystatinNystatin2413
JanuviaSitagliptin Phosphate23suppressed
NitrofurantoinNitrofurantoin Macrocrystal23suppressed
Pioglitazone HclPioglitazone Hcl23suppressed
Propafenone HclPropafenone Hcl23suppressed
AtenololAtenolol22suppressed
CelecoxibCelecoxib22suppressed
DigoxinDigoxin22suppressed
EzetimibeEzetimibe22suppressed
CephalexinCephalexin2116
MesalamineMesalamine21suppressed
Bupropion Hcl SrBupropion Hcl20suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl20suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1916
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine19suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog19suppressed
Midodrine HclMidodrine Hcl19suppressed
TradjentaLinagliptin19suppressed
Metformin Hcl ErMetformin Hcl18suppressed
Propranolol Hcl ErPropranolol Hcl18suppressed
RisperidoneRisperidone17suppressed
Breo ElliptaFluticasone/Vilanterol16suppressed
ClonazepamClonazepam16suppressed
Isosorbide DinitrateIsosorbide Dinitrate16suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
Metoclopramide HclMetoclopramide Hcl16suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen16suppressed
Diltiazem 12hr ErDiltiazem Hcl15suppressed
NyamycNystatin15suppressed
RestasisCyclosporine15suppressed
TopiramateTopiramate15suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr14suppressed
LumiganBimatoprost14suppressed
Meclizine HclMeclizine Hcl14suppressed
MupirocinMupirocin14suppressed
Tizanidine HclTizanidine Hcl14suppressed
TrulicityDulaglutide14suppressed
CreonLipase/Protease/Amylase12suppressed
Diclofenac SodiumDiclofenac Sodium12suppressed
Dorzolamide HclDorzolamide Hcl12suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate12suppressed
Olmesartan MedoxomilOlmesartan Medoxomil12suppressed
AripiprazoleAripiprazole11suppressed
BaclofenBaclofen11suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl11suppressed
JanumetSitagliptin Phos/Metformin Hcl11suppressed
JardianceEmpagliflozin11suppressed

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