Healthcare provider profile · identity verified

John N Kalbfleisch, MD

Family Practice · WHITEFISH, MT · NPI 1609824283

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 Calcium466130
LisinoprilLisinopril35084
Levothyroxine SodiumLevothyroxine Sodium27458
Tamsulosin HclTamsulosin Hcl18657
OmeprazoleOmeprazole16349
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide16148
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen15528
Trazodone HclTrazodone Hcl14432
Citalopram HbrCitalopram Hydrobromide13129
Amlodipine BesylateAmlodipine Besylate12027
Diltiazem 24hr Er (Cd)Diltiazem Hcl11130
Losartan PotassiumLosartan Potassium10427
Duloxetine HclDuloxetine Hcl10316
Potassium ChloridePotassium Chloride9725
PrednisonePrednisone9551
Sertraline HclSertraline Hcl8822
EliquisApixaban8716
Metoprolol SuccinateMetoprolol Succinate8622
AzithromycinAzithromycin8568
Buspirone HclBuspirone Hcl8415
FinasterideFinasteride8323
MeloxicamMeloxicam8333
Zolpidem TartrateZolpidem Tartrate8318
GabapentinGabapentin8222
Rosuvastatin CalciumRosuvastatin Calcium7819
FurosemideFurosemide7723
Albuterol Sulfate HfaAlbuterol Sulfate7242
Warfarin SodiumWarfarin Sodium7217
Metformin HclMetformin Hcl7116
SimvastatinSimvastatin6721
XareltoRivaroxaban6511
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav5543
Donepezil HclDonepezil Hcl54suppressed
Tramadol HclTramadol Hcl5417
AllopurinolAllopurinol5212
HydrochlorothiazideHydrochlorothiazide4915
Cyclobenzaprine HclCyclobenzaprine Hcl4718
Metoprolol TartrateMetoprolol Tartrate4713
MupirocinMupirocin4428
Fluoxetine HclFluoxetine Hcl42suppressed
GemfibrozilGemfibrozil42suppressed
Triamcinolone AcetonideTriamcinolone Acetonide4229
CarvedilolCarvedilol3911
ClonazepamClonazepam38suppressed
ClopidogrelClopidogrel Bisulfate35suppressed
LevetiracetamLevetiracetam34suppressed
LorazepamLorazepam34suppressed
SymbicortBudesonide/Formoterol Fumarate31suppressed
Escitalopram OxalateEscitalopram Oxalate30suppressed
Cartia XtDiltiazem Hcl29suppressed
Diltiazem 24hr ErDiltiazem Hcl29suppressed
Metformin Hcl ErMetformin Hcl29suppressed
Fosinopril SodiumFosinopril Sodium28suppressed
Propranolol HclPropranolol Hcl28suppressed
JardianceEmpagliflozin27suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide27suppressed
Memantine HclMemantine Hcl27suppressed
AmoxicillinAmoxicillin2612
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2624
Benazepril HclBenazepril Hcl25suppressed
Bisoprolol FumarateBisoprolol Fumarate23suppressed
Bupropion XlBupropion Hcl23suppressed
EzetimibeEzetimibe23suppressed
NitroglycerinNitroglycerin2312
JanuviaSitagliptin Phosphate22suppressed
Ondansetron OdtOndansetron2211
ValacyclovirValacyclovir Hcl22suppressed
CelecoxibCelecoxib21suppressed
ColchicineColchicine21suppressed
Fluticasone PropionateFluticasone Propionate21suppressed
Pantoprazole SodiumPantoprazole Sodium21suppressed
Dicyclomine HclDicyclomine Hcl20suppressed
OzempicSemaglutide20suppressed
PregabalinPregabalin20suppressed
IrbesartanIrbesartan19suppressed
Montelukast SodiumMontelukast Sodium19suppressed
ChlorthalidoneChlorthalidone18suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog18suppressed
Spiriva RespimatTiotropium Bromide18suppressed
Sumatriptan SuccinateSumatriptan Succinate18suppressed
Ventolin HfaAlbuterol Sulfate18suppressed
CephalexinCephalexin1716
Diltiazem 24hr Er (Xr)Diltiazem Hcl17suppressed
Ibandronate SodiumIbandronate Sodium17suppressed
JanumetSitagliptin Phos/Metformin Hcl17suppressed
EstradiolEstradiol16suppressed
Risedronate SodiumRisedronate Sodium16suppressed
SpironolactoneSpironolactone16suppressed
Doxycycline HyclateDoxycycline Hyclate1515
Oxybutynin ChlorideOxybutynin Chloride15suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl15suppressed
Prazosin HclPrazosin Hcl15suppressed
Bevespi AerosphereGlycopyrrolate/Formoterol Fum14suppressed
Breo ElliptaFluticasone/Vilanterol14suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate14suppressed
Raloxifene HclRaloxifene Hcl14suppressed
Acetaminophen-CodeineAcetaminophen With Codeine13suppressed
Bupropion Hcl SrBupropion Hcl13suppressed
FamotidineFamotidine13suppressed
LidocaineLidocaine13suppressed
Advair HfaFluticasone Propion/Salmeterol12suppressed
Methylphenidate ErMethylphenidate Hcl12suppressed
MounjaroTirzepatide12suppressed
Pravastatin SodiumPravastatin Sodium12suppressed
Radicava OrsEdaravone12suppressed
SynthroidLevothyroxine Sodium12suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic12suppressed
Morphine SulfateMorphine Sulfate11suppressed
Oxybutynin Chloride ErOxybutynin Chloride11suppressed
Tizanidine HclTizanidine Hcl11suppressed
Venlafaxine Hcl ErVenlafaxine 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