Healthcare provider profile · identity verified

Karishma Khan, M.D.

Internal Medicine · DALLAS, TX · NPI 1780845891

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 Calcium434122
Levothyroxine SodiumLevothyroxine Sodium36093
EliquisApixaban34387
Potassium ChloridePotassium Chloride29572
Amlodipine BesylateAmlodipine Besylate29072
GabapentinGabapentin22273
Pantoprazole SodiumPantoprazole Sodium20777
FurosemideFurosemide20165
Trazodone HclTrazodone Hcl17954
MirtazapineMirtazapine16047
Tamsulosin HclTamsulosin Hcl15846
Losartan PotassiumLosartan Potassium15756
Sertraline HclSertraline Hcl15645
CarvedilolCarvedilol15444
OmeprazoleOmeprazole13947
Metoprolol SuccinateMetoprolol Succinate13856
Metoprolol TartrateMetoprolol Tartrate11945
Tramadol HclTramadol Hcl11541
Donepezil HclDonepezil Hcl11228
LisinoprilLisinopril11036
Escitalopram OxalateEscitalopram Oxalate10929
TorsemideTorsemide10132
Memantine HclMemantine Hcl9723
Duloxetine HclDuloxetine Hcl9525
Metformin HclMetformin Hcl9527
ClopidogrelClopidogrel Bisulfate9026
SpironolactoneSpironolactone8523
FamotidineFamotidine8329
Hydralazine HclHydralazine Hcl8119
AllopurinolAllopurinol7426
Carbidopa-LevodopaCarbidopa/Levodopa7115
Quetiapine FumarateQuetiapine Fumarate7015
Rosuvastatin CalciumRosuvastatin Calcium6935
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst6729
Amiodarone HclAmiodarone Hcl6616
Fluticasone PropionateFluticasone Propionate6521
Pravastatin SodiumPravastatin Sodium6126
FinasterideFinasteride5917
Ciprofloxacin HclCiprofloxacin Hcl5628
Alendronate SodiumAlendronate Sodium5517
Montelukast SodiumMontelukast Sodium5522
MyrbetriqMirabegron5512
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav5326
PrednisonePrednisone5315
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate5018
Diclofenac SodiumDiclofenac Sodium4913
Midodrine HclMidodrine Hcl4517
Warfarin SodiumWarfarin Sodium45suppressed
Divalproex SodiumDivalproex Sodium44suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4221
MethocarbamolMethocarbamol4131
EzetimibeEzetimibe3918
LatanoprostLatanoprost3715
JardianceEmpagliflozin36suppressed
Nifedipine ErNifedipine3611
Citalopram HbrCitalopram Hydrobromide35suppressed
Venlafaxine Hcl ErVenlafaxine Hcl35suppressed
Buspirone HclBuspirone Hcl3414
Fluoxetine HclFluoxetine Hcl3414
LevetiracetamLevetiracetam3413
PregabalinPregabalin32suppressed
BaclofenBaclofen31suppressed
NystatinNystatin3015
Doxycycline HyclateDoxycycline Hyclate2917
SimvastatinSimvastatin2911
XareltoRivaroxaban2913
RytaryCarbidopa/Levodopa28suppressed
BumetanideBumetanide27suppressed
FluconazoleFluconazole2713
MeloxicamMeloxicam26suppressed
MetolazoneMetolazone2611
Pramipexole DihydrochloridePramipexole Di-Hcl26suppressed
Terazosin HclTerazosin Hcl26suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl2513
Ondansetron HclOndansetron Hcl2519
Cinacalcet HclCinacalcet Hcl23suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil22suppressed
PrimidonePrimidone22suppressed
TradjentaLinagliptin22suppressed
AlprazolamAlprazolam21suppressed
BudesonideBudesonide21suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog21suppressed
LevofloxacinLevofloxacin2112
Triamcinolone AcetonideTriamcinolone Acetonide21suppressed
Folic AcidFolic Acid20suppressed
LactuloseLactulose20suppressed
ValsartanValsartan20suppressed
Dicyclomine HclDicyclomine Hcl18suppressed
HydrochlorothiazideHydrochlorothiazide1812
Hydroxyzine HclHydroxyzine Hcl18suppressed
LovastatinLovastatin18suppressed
Ropinirole HclRopinirole Hcl18suppressed
TemazepamTemazepam18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium17suppressed
DigoxinDigoxin16suppressed
LorazepamLorazepam16suppressed
SynthroidLevothyroxine Sodium16suppressed
Ondansetron OdtOndansetron1514
SucralfateSucralfate15suppressed
Tizanidine HclTizanidine Hcl15suppressed
Albuterol Sulfate HfaAlbuterol Sulfate1412
CelecoxibCelecoxib14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
SantylCollagenase Clostridium Hist.14suppressed
Vancomycin HclVancomycin Hcl14suppressed
Vancomycin Hcl-0.9% NaclVancomycin/0.9 % Sod Chloride14suppressed
CephalexinCephalexin13suppressed
DofetilideDofetilide13suppressed
LubiprostoneLubiprostone13suppressed
OzempicSemaglutide13suppressed
DiazepamDiazepam12suppressed
Diltiazem 24hr Er (Xr)Diltiazem Hcl12suppressed
EstradiolEstradiol12suppressed
MethimazoleMethimazole12suppressed
PentoxifyllinePentoxifylline12suppressed
Propranolol HclPropranolol Hcl12suppressed
ScopolamineScopolamine12suppressed
Zolpidem TartrateZolpidem Tartrate12suppressed
Bupropion XlBupropion Hcl11suppressed
Clonidine HclClonidine Hcl11suppressed
Humalog Kwikpen U-100Insulin Lispro11suppressed
HydrocortisoneHydrocortisone11suppressed
Icosapent EthylIcosapent Ethyl11suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen11suppressed

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