Healthcare provider profile · identity verified

Roy Harper Jackson, M.D.

Internal Medicine · PASADENA, CA · NPI 1669424982

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 Calcium805148
Amlodipine BesylateAmlodipine Besylate680146
Levothyroxine SodiumLevothyroxine Sodium50485
Metformin HclMetformin Hcl34772
Losartan PotassiumLosartan Potassium34070
FurosemideFurosemide33661
OmeprazoleOmeprazole32461
Pantoprazole SodiumPantoprazole Sodium26560
Tamsulosin HclTamsulosin Hcl21742
LisinoprilLisinopril21037
FamotidineFamotidine20426
CarvedilolCarvedilol20043
Potassium ChloridePotassium Chloride19933
Rosuvastatin CalciumRosuvastatin Calcium18851
Alendronate SodiumAlendronate Sodium18325
EliquisApixaban17834
SimvastatinSimvastatin17540
GabapentinGabapentin16539
Metoprolol SuccinateMetoprolol Succinate15835
HydrochlorothiazideHydrochlorothiazide15633
AzithromycinAzithromycin152104
LinzessLinaclotide15017
Duloxetine HclDuloxetine Hcl14132
MyrbetriqMirabegron13816
AllopurinolAllopurinol13727
Montelukast SodiumMontelukast Sodium12624
Albuterol Sulfate HfaAlbuterol Sulfate12128
JardianceEmpagliflozin11822
FinasterideFinasteride11222
Hydralazine HclHydralazine Hcl10225
IrbesartanIrbesartan9727
JanuviaSitagliptin Phosphate9418
Oxybutynin ChlorideOxybutynin Chloride8712
EzetimibeEzetimibe8419
Trazodone HclTrazodone Hcl8319
Escitalopram OxalateEscitalopram Oxalate8216
Fluticasone PropionateFluticasone Propionate8121
TradjentaLinagliptin67suppressed
Buspirone HclBuspirone Hcl6511
Metformin Hcl ErMetformin Hcl65suppressed
ClopidogrelClopidogrel Bisulfate6311
SpironolactoneSpironolactone6013
Donepezil HclDonepezil Hcl5911
Glipizide ErGlipizide5412
IndapamideIndapamide5412
VascepaIcosapent Ethyl52suppressed
GlipizideGlipizide51suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim5139
Diltiazem 24hr Er (Cd)Diltiazem Hcl4913
Spironolactone-HctzSpironolact/Hydrochlorothiazid4911
ValsartanValsartan49suppressed
Icosapent EthylIcosapent Ethyl48suppressed
LorazepamLorazepam4821
Olmesartan MedoxomilOlmesartan Medoxomil4811
Quetiapine FumarateQuetiapine Fumarate48suppressed
FarxigaDapagliflozin Propanediol4711
Benazepril HclBenazepril Hcl4612
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4517
Breo ElliptaFluticasone/Vilanterol42suppressed
ConstuloseLactulose41suppressed
MeloxicamMeloxicam4014
MirtazapineMirtazapine40suppressed
Clonidine HclClonidine Hcl3713
Metoprolol TartrateMetoprolol Tartrate3711
PregabalinPregabalin37suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3717
Ibandronate SodiumIbandronate Sodium3612
TadalafilTadalafil36suppressed
Alfuzosin Hcl ErAlfuzosin Hcl32suppressed
Carbidopa-LevodopaCarbidopa/Levodopa32suppressed
GlimepirideGlimepiride32suppressed
MethylprednisoloneMethylprednisolone3130
Ondansetron HclOndansetron Hcl3119
Pravastatin SodiumPravastatin Sodium31suppressed
PrednisonePrednisone3117
Diclofenac SodiumDiclofenac Sodium3014
LevetiracetamLevetiracetam30suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid30suppressed
XareltoRivaroxaban30suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2915
PaxlovidNirmatrelvir/Ritonavir2926
IbuprofenIbuprofen2812
CephalexinCephalexin2723
Diltiazem HclDiltiazem Hcl27suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2617
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog26suppressed
Tramadol HclTramadol Hcl2617
Citalopram HbrCitalopram Hydrobromide25suppressed
Imipramine HclImipramine Hcl25suppressed
MethimazoleMethimazole25suppressed
Nifedipine ErNifedipine25suppressed
Promethazine HclPromethazine Hcl2521
LactuloseLactulose24suppressed
LovastatinLovastatin24suppressed
MupirocinMupirocin24suppressed
Oxybutynin Chloride ErOxybutynin Chloride24suppressed
ClotrimazoleClotrimazole2313
Diltiazem 24hr ErDiltiazem Hcl23suppressed
NystatinNystatin23suppressed
Sertraline HclSertraline Hcl23suppressed
Fluoxetine HclFluoxetine Hcl22suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine2114
Nano 2nd Gen Pen NeedlePen Needle, Diabetic21suppressed
Brimonidine TartrateBrimonidine Tartrate20suppressed
Ciprofloxacin HclCiprofloxacin Hcl2014
NateglinideNateglinide20suppressed
TrulicityDulaglutide20suppressed
PrimidonePrimidone19suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter19suppressed
ColchicineColchicine1812
Propranolol HclPropranolol Hcl18suppressed
Warfarin SodiumWarfarin Sodium18suppressed
AtenololAtenolol17suppressed
BrilintaTicagrelor17suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate17suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride17suppressed
OlanzapineOlanzapine17suppressed
Propranolol Hcl ErPropranolol Hcl17suppressed
SucralfateSucralfate17suppressed
SynthroidLevothyroxine Sodium17suppressed
BreynaBudesonide/Formoterol Fumarate16suppressed
Hydroxyzine HclHydroxyzine Hcl16suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
Megestrol AcetateMegestrol Acetate16suppressed
MethocarbamolMethocarbamol16suppressed
PentoxifyllinePentoxifylline16suppressed
RisperidoneRisperidone16suppressed
ChlorthalidoneChlorthalidone15suppressed
LantusInsulin Glargine,hum.Rec.Anlog15suppressed
LatanoprostLatanoprost15suppressed
Metoclopramide HclMetoclopramide Hcl15suppressed
ValacyclovirValacyclovir Hcl15suppressed
Zolpidem TartrateZolpidem Tartrate15suppressed
AlprazolamAlprazolam14suppressed
BumetanideBumetanide14suppressed
Chlorhexidine GluconateChlorhexidine Gluconate14suppressed
Doxepin HclDoxepin Hcl14suppressed
Isosorbide DinitrateIsosorbide Dinitrate14suppressed
MetronidazoleMetronidazole1413
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters14suppressed
AcarboseAcarbose13suppressed
Azelastine HclAzelastine Hcl13suppressed
EntrestoSacubitril/Valsartan13suppressed
FluconazoleFluconazole13suppressed
Nebivolol HclNebivolol Hcl13suppressed
PremarinEstrogens, Conjugated13suppressed
Sildenafil CitrateSildenafil Citrate13suppressed
Acetaminophen-CodeineAcetaminophen With Codeine12suppressed
AripiprazoleAripiprazole12suppressed
CalcitriolCalcitriol12suppressed
Divalproex Sodium ErDivalproex Sodium12suppressed
LevocarnitineLevocarnitine (With Sugar)12suppressed
Liothyronine SodiumLiothyronine Sodium12suppressed
Pioglitazone HclPioglitazone Hcl12suppressed
Potassium Citrate ErPotassium Citrate12suppressed
SulfasalazineSulfasalazine12suppressed
Theophylline ErTheophylline Anhydrous12suppressed
Vitamin D2Ergocalciferol (Vitamin D2)12suppressed
Arnuity ElliptaFluticasone Furoate11suppressed
CimetidineCimetidine11suppressed
DuleraMometasone/Formoterol11suppressed
LumiganBimatoprost11suppressed
Memantine HclMemantine Hcl11suppressed
Midodrine HclMidodrine Hcl11suppressed
SimbrinzaBrinzolamide/Brimonidine Tart11suppressed
ZonisamideZonisamide11suppressed

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