Healthcare provider profile · identity verified

Robert Evan Jackson, MD

Internal Medicine · HOUSTON, TX · NPI 1841296001

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 Calcium23569
Amlodipine BesylateAmlodipine Besylate18151
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen15620
AlprazolamAlprazolam14424
ClonazepamClonazepam13622
Losartan PotassiumLosartan Potassium12737
Levothyroxine SodiumLevothyroxine Sodium10533
Escitalopram OxalateEscitalopram Oxalate10231
Metoprolol SuccinateMetoprolol Succinate9931
GabapentinGabapentin9123
Rosuvastatin CalciumRosuvastatin Calcium8926
Tamsulosin HclTamsulosin Hcl8324
Trazodone HclTrazodone Hcl8020
Metformin HclMetformin Hcl7925
EliquisApixaban6816
Tramadol HclTramadol Hcl6416
OzempicSemaglutide6312
Clonidine HclClonidine Hcl59suppressed
Potassium ChloridePotassium Chloride5818
Zolpidem TartrateZolpidem Tartrate5811
LisinoprilLisinopril5516
HydrochlorothiazideHydrochlorothiazide5416
FamotidineFamotidine5213
Pantoprazole SodiumPantoprazole Sodium5217
EzetimibeEzetimibe5015
SynthroidLevothyroxine Sodium4811
Nifedipine ErNifedipine4613
FinasterideFinasteride4511
AzithromycinAzithromycin4435
EszopicloneEszopiclone44suppressed
LorazepamLorazepam44suppressed
OmeprazoleOmeprazole4412
Montelukast SodiumMontelukast Sodium4311
TemazepamTemazepam41suppressed
FarxigaDapagliflozin Propanediol4015
MethylprednisoloneMethylprednisolone4026
RamiprilRamipril40suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen39suppressed
ChlorthalidoneChlorthalidone3816
Fluticasone PropionateFluticasone Propionate38suppressed
FurosemideFurosemide3814
ClopidogrelClopidogrel Bisulfate3412
HydrocortisoneHydrocortisone3412
PaxlovidNirmatrelvir/Ritonavir3433
Donepezil HclDonepezil Hcl33suppressed
MeloxicamMeloxicam3313
Pioglitazone HclPioglitazone Hcl33suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl32suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium32suppressed
Metoprolol TartrateMetoprolol Tartrate32suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid30suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2914
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine29suppressed
JardianceEmpagliflozin29suppressed
XareltoRivaroxaban29suppressed
Carbidopa-LevodopaCarbidopa/Levodopa28suppressed
Bupropion XlBupropion Hcl27suppressed
Pravastatin SodiumPravastatin Sodium27suppressed
Sertraline HclSertraline Hcl27suppressed
PrednisonePrednisone2612
FenofibrateFenofibrate Nanocrystallized25suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2522
LactuloseLactulose23suppressed
AllopurinolAllopurinol22suppressed
Ciprofloxacin HclCiprofloxacin Hcl2218
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog22suppressed
Memantine HclMemantine Hcl21suppressed
NaproxenNaproxen21suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2016
Enalapril MaleateEnalapril Maleate20suppressed
Ondansetron OdtOndansetron20suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2014
CelecoxibCelecoxib19suppressed
CreonLipase/Protease/Amylase19suppressed
ClonidineClonidine18suppressed
MethocarbamolMethocarbamol18suppressed
Ondansetron HclOndansetron Hcl18suppressed
Quetiapine FumarateQuetiapine Fumarate18suppressed
Risedronate SodiumRisedronate Sodium18suppressed
Acetaminophen-CodeineAcetaminophen With Codeine16suppressed
BaclofenBaclofen16suppressed
Sumatriptan SuccinateSumatriptan Succinate16suppressed
ValacyclovirValacyclovir Hcl16suppressed
Amitriptyline HclAmitriptyline Hcl15suppressed
Duloxetine HclDuloxetine Hcl15suppressed
Guanfacine HclGuanfacine Hcl15suppressed
PregabalinPregabalin15suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr14suppressed
Benztropine MesylateBenztropine Mesylate14suppressed
Doxycycline HyclateDoxycycline Hyclate1414
Folic AcidFolic Acid14suppressed
Hydralazine HclHydralazine Hcl14suppressed
IrbesartanIrbesartan14suppressed
Levetiracetam ErLevetiracetam14suppressed
Morphine SulfateMorphine Sulfate14suppressed
MovantikNaloxegol Oxalate14suppressed
Gamunex-CImmune Globul G/Gly/Iga Avg 4613suppressed
LidocaineLidocaine13suppressed
SpironolactoneSpironolactone13suppressed
CarisoprodolCarisoprodol12suppressed
CyclosporineCyclosporine12suppressed
DiazepamDiazepam12suppressed
Doxepin HclDoxepin Hcl12suppressed
PropylthiouracilPropylthiouracil12suppressed
Toprol XlMetoprolol Succinate12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine11suppressed
Doxazosin MesylateDoxazosin Mesylate11suppressed
KetoconazoleKetoconazole11suppressed
Klor-Con M20Potassium Chloride11suppressed
Meclizine HclMeclizine Hcl11suppressed
MounjaroTirzepatide11suppressed
Propranolol Hcl ErPropranolol Hcl11suppressed
Terazosin HclTerazosin Hcl11suppressed
Testosterone CypionateTestosterone Cypionate11suppressed
TopiramateTopiramate11suppressed

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