Healthcare provider profile · identity verified

Robert D Nitschelm, MD

Family Practice · KALISPELL, MT · NPI 1598719064

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
Losartan PotassiumLosartan Potassium375103
Amlodipine BesylateAmlodipine Besylate32892
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen27342
OmeprazoleOmeprazole26882
Atorvastatin CalciumAtorvastatin Calcium24764
Rosuvastatin CalciumRosuvastatin Calcium24164
Levothyroxine SodiumLevothyroxine Sodium21557
MeloxicamMeloxicam20361
Metoprolol SuccinateMetoprolol Succinate19254
GabapentinGabapentin19147
ClonazepamClonazepam17728
CarvedilolCarvedilol16542
LisinoprilLisinopril15444
Tamsulosin HclTamsulosin Hcl15244
Escitalopram OxalateEscitalopram Oxalate14533
Pantoprazole SodiumPantoprazole Sodium13832
FurosemideFurosemide13726
Potassium ChloridePotassium Chloride13237
Trazodone HclTrazodone Hcl10726
FamotidineFamotidine10231
EliquisApixaban10025
LorazepamLorazepam9919
PrednisonePrednisone9754
TorsemideTorsemide9427
Tramadol HclTramadol Hcl9421
SimvastatinSimvastatin9325
Duloxetine HclDuloxetine Hcl9220
Venlafaxine Hcl ErVenlafaxine Hcl9019
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen8615
TopiramateTopiramate8418
Albuterol Sulfate HfaAlbuterol Sulfate8228
AlprazolamAlprazolam8122
Metformin Hcl ErMetformin Hcl7919
Metformin HclMetformin Hcl7724
GlimepirideGlimepiride7619
Metoprolol TartrateMetoprolol Tartrate7522
AzithromycinAzithromycin7458
Quetiapine FumarateQuetiapine Fumarate6919
HydrochlorothiazideHydrochlorothiazide6418
OzempicSemaglutide63suppressed
Ropinirole HclRopinirole Hcl6311
ClopidogrelClopidogrel Bisulfate6115
SpironolactoneSpironolactone6117
CelecoxibCelecoxib6018
AllopurinolAllopurinol5918
Oxycodone HclOxycodone Hcl5914
Ciprofloxacin HclCiprofloxacin Hcl5845
JardianceEmpagliflozin5813
Zolpidem TartrateZolpidem Tartrate5816
Sertraline HclSertraline Hcl5615
Oxybutynin Chloride ErOxybutynin Chloride5316
CephalexinCephalexin4925
DutasterideDutasteride4913
Fluoxetine HclFluoxetine Hcl47suppressed
Divalproex SodiumDivalproex Sodium46suppressed
MirtazapineMirtazapine4611
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4512
Cyclobenzaprine HclCyclobenzaprine Hcl42suppressed
Montelukast SodiumMontelukast Sodium4211
Citalopram HbrCitalopram Hydrobromide3912
Lantus SolostarInsulin Glargine,hum.Rec.Anlog39suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3923
Donepezil HclDonepezil Hcl36suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine34suppressed
PregabalinPregabalin32suppressed
NaproxenNaproxen30suppressed
AcyclovirAcyclovir28suppressed
FinasterideFinasteride28suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol28suppressed
SucralfateSucralfate28suppressed
Testosterone CypionateTestosterone Cypionate28suppressed
ValacyclovirValacyclovir Hcl2814
Acetaminophen-CodeineAcetaminophen With Codeine27suppressed
Benazepril HclBenazepril Hcl27suppressed
FluconazoleFluconazole2717
Hydroxyzine PamoateHydroxyzine Pamoate27suppressed
Tizanidine HclTizanidine Hcl27suppressed
Propranolol HclPropranolol Hcl26suppressed
EstradiolEstradiol25suppressed
IbuprofenIbuprofen25suppressed
EzetimibeEzetimibe24suppressed
Ondansetron OdtOndansetron2412
Amitriptyline HclAmitriptyline Hcl23suppressed
AmoxicillinAmoxicillin2315
Breo ElliptaFluticasone/Vilanterol23suppressed
Fluticasone PropionateFluticasone Propionate2315
Hydromorphone HclHydromorphone Hcl23suppressed
Morphine SulfateMorphine Sulfate23suppressed
SymbicortBudesonide/Formoterol Fumarate22suppressed
Cholestyramine LightCholestyramine21suppressed
Ipratropium BromideIpratropium Bromide21suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide21suppressed
LovastatinLovastatin21suppressed
Bupropion XlBupropion Hcl20suppressed
LevetiracetamLevetiracetam20suppressed
RizatriptanRizatriptan Benzoate20suppressed
MounjaroTirzepatide19suppressed
BaclofenBaclofen18suppressed
LubiprostoneLubiprostone18suppressed
Terazosin HclTerazosin Hcl18suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1713
AtenololAtenolol17suppressed
EntrestoSacubitril/Valsartan17suppressed
Flecainide AcetateFlecainide Acetate17suppressed
Hydroxyzine HclHydroxyzine Hcl17suppressed
Morphine Sulfate ErMorphine Sulfate17suppressed
Ventolin HfaAlbuterol Sulfate17suppressed
Eletriptan HbrEletriptan Hydrobromide16suppressed
GlipizideGlipizide16suppressed
Ondansetron HclOndansetron Hcl16suppressed
Sumatriptan SuccinateSumatriptan Succinate16suppressed
TemazepamTemazepam16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
Spiriva RespimatTiotropium Bromide15suppressed
XareltoRivaroxaban15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
MethocarbamolMethocarbamol14suppressed
TriazolamTriazolam14suppressed
ChlorthalidoneChlorthalidone13suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine13suppressed
DigoxinDigoxin13suppressed
MetolazoneMetolazone13suppressed
Pioglitazone HclPioglitazone Hcl13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium12suppressed
NystatinNystatin12suppressed
SynthroidLevothyroxine Sodium12suppressed
TestosteroneTestosterone12suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter12suppressed
Carbidopa-LevodopaCarbidopa/Levodopa11suppressed
LatanoprostLatanoprost11suppressed
Methenamine HippurateMethenamine Hippurate11suppressed
Nebivolol HclNebivolol 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