Healthcare provider profile · identity verified

Steven J. Gerstner, MD

Internal Medicine · BILLINGS, MT · NPI 1124130695

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
OmeprazoleOmeprazole23071
Atorvastatin CalciumAtorvastatin Calcium22163
Levothyroxine SodiumLevothyroxine Sodium21256
Rosuvastatin CalciumRosuvastatin Calcium20860
LisinoprilLisinopril19753
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17137
Losartan PotassiumLosartan Potassium14948
HydrochlorothiazideHydrochlorothiazide13740
Tamsulosin HclTamsulosin Hcl13038
Metoprolol SuccinateMetoprolol Succinate11028
GabapentinGabapentin10432
EliquisApixaban9728
Escitalopram OxalateEscitalopram Oxalate9727
Amlodipine BesylateAmlodipine Besylate8827
Tramadol HclTramadol Hcl8023
FurosemideFurosemide7623
Metoprolol TartrateMetoprolol Tartrate6918
CarvedilolCarvedilol6821
SimvastatinSimvastatin6519
SpironolactoneSpironolactone6520
Potassium ChloridePotassium Chloride6223
Buspirone HclBuspirone Hcl5712
Zolpidem TartrateZolpidem Tartrate5712
ShingrixVaricella-Zoster Ge/As01b/Pf5653
Boostrix TdapDiphth,pertuss(Acell),tet Vac5453
ClonazepamClonazepam5312
Alendronate SodiumAlendronate Sodium5212
Warfarin SodiumWarfarin Sodium5015
LorazepamLorazepam4715
Metformin Hcl ErMetformin Hcl4515
Pantoprazole SodiumPantoprazole Sodium4318
AllopurinolAllopurinol4013
SynthroidLevothyroxine Sodium37suppressed
XareltoRivaroxaban35suppressed
RybelsusSemaglutide34suppressed
Sertraline HclSertraline Hcl3311
Bupropion XlBupropion Hcl32suppressed
OzempicSemaglutide32suppressed
Pravastatin SodiumPravastatin Sodium3211
CelecoxibCelecoxib3111
Duloxetine HclDuloxetine Hcl30suppressed
MirtazapineMirtazapine30suppressed
Trazodone HclTrazodone Hcl29suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2716
JardianceEmpagliflozin27suppressed
MyrbetriqMirabegron27suppressed
EstradiolEstradiol24suppressed
FinasterideFinasteride24suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol24suppressed
Metformin HclMetformin Hcl23suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid23suppressed
AlprazolamAlprazolam22suppressed
Fluticasone PropionateFluticasone Propionate2212
ClopidogrelClopidogrel Bisulfate21suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium21suppressed
Montelukast SodiumMontelukast Sodium21suppressed
MounjaroTirzepatide21suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl20suppressed
FamotidineFamotidine20suppressed
Oxycodone HclOxycodone Hcl2013
Methylphenidate HclMethylphenidate Hcl19suppressed
Morphine Sulfate ErMorphine Sulfate19suppressed
PregabalinPregabalin19suppressed
SymbicortBudesonide/Formoterol Fumarate18suppressed
TorsemideTorsemide18suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1812
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen17suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate16suppressed
Doxepin HclDoxepin Hcl16suppressed
Ipratropium BromideIpratropium Bromide16suppressed
LantusInsulin Glargine,hum.Rec.Anlog16suppressed
Ondansetron HclOndansetron Hcl16suppressed
Oxybutynin ChlorideOxybutynin Chloride16suppressed
ValacyclovirValacyclovir Hcl16suppressed
Diclofenac SodiumDiclofenac Sodium14suppressed
Novolin NInsulin Nph Human Isophane14suppressed
Citalopram HbrCitalopram Hydrobromide13suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine13suppressed
HydrocortisoneHydrocortisone13suppressed
IrbesartanIrbesartan13suppressed
Amitriptyline HclAmitriptyline Hcl12suppressed
BaclofenBaclofen12suppressed
EplerenoneEplerenone12suppressed
FentanylFentanyl12suppressed
Fluoxetine HclFluoxetine Hcl12suppressed
LansoprazoleLansoprazole12suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12suppressed
MeloxicamMeloxicam12suppressed
Morphine SulfateMorphine Sulfate12suppressed
Wixela InhubFluticasone Propion/Salmeterol12suppressed
AtenololAtenolol11suppressed
Ciprofloxacin HclCiprofloxacin Hcl11suppressed
DiazepamDiazepam11suppressed
Dicyclomine HclDicyclomine Hcl11suppressed
Methadone HclMethadone Hcl11suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl11suppressed
Propranolol HclPropranolol 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