Healthcare provider profile · identity verified

Roshini Ann Samuel, M.D

Family Practice · OKLAHOMA CITY, OK · NPI 1548612922

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 Calcium33992
LisinoprilLisinopril20856
Amlodipine BesylateAmlodipine Besylate19456
OmeprazoleOmeprazole18444
HydrochlorothiazideHydrochlorothiazide17343
Levothyroxine SodiumLevothyroxine Sodium17341
Metoprolol SuccinateMetoprolol Succinate16145
GabapentinGabapentin11531
Pantoprazole SodiumPantoprazole Sodium11328
Losartan PotassiumLosartan Potassium11130
Rosuvastatin CalciumRosuvastatin Calcium10831
Metformin HclMetformin Hcl8726
SimvastatinSimvastatin8223
Albuterol Sulfate HfaAlbuterol Sulfate7027
Potassium ChloridePotassium Chloride7023
Metformin Hcl ErMetformin Hcl6517
FurosemideFurosemide6222
Sertraline HclSertraline Hcl6214
TrulicityDulaglutide61suppressed
AllopurinolAllopurinol5513
Metoprolol TartrateMetoprolol Tartrate5518
Pravastatin SodiumPravastatin Sodium5015
Fluticasone PropionateFluticasone Propionate4913
Warfarin SodiumWarfarin Sodium4815
Escitalopram OxalateEscitalopram Oxalate4714
Oxybutynin Chloride ErOxybutynin Chloride4413
EliquisApixaban43suppressed
CarvedilolCarvedilol4214
Montelukast SodiumMontelukast Sodium4212
SynthroidLevothyroxine Sodium42suppressed
Duloxetine HclDuloxetine Hcl4113
Alendronate SodiumAlendronate Sodium3913
EzetimibeEzetimibe3911
JanuviaSitagliptin Phosphate38suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3812
Tamsulosin HclTamsulosin Hcl3713
Trazodone HclTrazodone Hcl3611
Hydroxyzine HclHydroxyzine Hcl3411
JardianceEmpagliflozin3411
PregabalinPregabalin34suppressed
Citalopram HbrCitalopram Hydrobromide33suppressed
FamotidineFamotidine32suppressed
Diclofenac SodiumDiclofenac Sodium3112
Fluoxetine HclFluoxetine Hcl31suppressed
CelecoxibCelecoxib29suppressed
NaproxenNaproxen28suppressed
Tizanidine HclTizanidine Hcl2812
Bupropion XlBupropion Hcl27suppressed
AtenololAtenolol26suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog26suppressed
GlipizideGlipizide25suppressed
Methenamine HippurateMethenamine Hippurate25suppressed
Pioglitazone HclPioglitazone Hcl25suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl24suppressed
Glipizide ErGlipizide24suppressed
RisperidoneRisperidone24suppressed
SpironolactoneSpironolactone2411
Amitriptyline HclAmitriptyline Hcl23suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium23suppressed
OzempicSemaglutide23suppressed
Paroxetine HclParoxetine Hcl23suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2318
Fluticasone-SalmeterolFluticasone Propion/Salmeterol22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl22suppressed
ClopidogrelClopidogrel Bisulfate20suppressed
Bisoprolol FumarateBisoprolol Fumarate19suppressed
Donepezil HclDonepezil Hcl19suppressed
Enalapril MaleateEnalapril Maleate19suppressed
MirtazapineMirtazapine19suppressed
LorazepamLorazepam18suppressed
Propranolol Hcl ErPropranolol Hcl18suppressed
PrednisonePrednisone1714
Ropinirole HclRopinirole Hcl17suppressed
Spiriva HandihalerTiotropium Bromide17suppressed
CephalexinCephalexin16suppressed
IrbesartanIrbesartan15suppressed
Metoclopramide HclMetoclopramide Hcl15suppressed
MounjaroTirzepatide14suppressed
PrimidonePrimidone14suppressed
Incruse ElliptaUmeclidinium Bromide13suppressed
MeloxicamMeloxicam13suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1313
Trospium ChlorideTrospium Chloride13suppressed
Ventolin HfaAlbuterol Sulfate13suppressed
Buspirone HclBuspirone Hcl12suppressed
ClonidineClonidine12suppressed
EstradiolEstradiol12suppressed
Verapamil ErVerapamil Hcl12suppressed
XareltoRivaroxaban12suppressed
Dilt-XrDiltiazem Hcl11suppressed
EntrestoSacubitril/Valsartan11suppressed
GlimepirideGlimepiride11suppressed
LovastatinLovastatin11suppressed
Methylphenidate Hcl Er (Cd)Methylphenidate Hcl11suppressed
Ondansetron OdtOndansetron11suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl11suppressed
SucralfateSucralfate11suppressed
Tramadol HclTramadol Hcl11suppressed

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