Healthcare provider profile · identity verified

Ryan Clauson, M.D.

Family Practice · BISMARCK, ND · NPI 1629230081

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 Calcium518137
Levothyroxine SodiumLevothyroxine Sodium37592
Amlodipine BesylateAmlodipine Besylate32884
LisinoprilLisinopril32487
OmeprazoleOmeprazole27479
Losartan PotassiumLosartan Potassium26969
HydrochlorothiazideHydrochlorothiazide23267
EliquisApixaban19542
FurosemideFurosemide18543
Rosuvastatin CalciumRosuvastatin Calcium18550
Pantoprazole SodiumPantoprazole Sodium18249
GabapentinGabapentin14735
AllopurinolAllopurinol14638
Tamsulosin HclTamsulosin Hcl14639
Sertraline HclSertraline Hcl14137
Metformin HclMetformin Hcl13830
Metoprolol SuccinateMetoprolol Succinate13038
FamotidineFamotidine12339
Metoprolol TartrateMetoprolol Tartrate11934
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11726
Trazodone HclTrazodone Hcl10521
SimvastatinSimvastatin10231
Escitalopram OxalateEscitalopram Oxalate9725
Metformin Hcl ErMetformin Hcl9727
OzempicSemaglutide9413
ClopidogrelClopidogrel Bisulfate8722
LorazepamLorazepam8027
Venlafaxine Hcl ErVenlafaxine Hcl75suppressed
Potassium ChloridePotassium Chloride7419
JardianceEmpagliflozin6713
Tramadol HclTramadol Hcl6722
Albuterol Sulfate HfaAlbuterol Sulfate6434
MeloxicamMeloxicam6419
Alendronate SodiumAlendronate Sodium6213
AtenololAtenolol6014
Doxycycline HyclateDoxycycline Hyclate5848
PregabalinPregabalin5712
Olmesartan MedoxomilOlmesartan Medoxomil5316
Citalopram HbrCitalopram Hydrobromide50suppressed
Oxycodone HclOxycodone Hcl50suppressed
Quetiapine FumarateQuetiapine Fumarate48suppressed
SynthroidLevothyroxine Sodium4812
Zolpidem TartrateZolpidem Tartrate48suppressed
Montelukast SodiumMontelukast Sodium4717
Glipizide ErGlipizide46suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4512
Bupropion XlBupropion Hcl44suppressed
BaclofenBaclofen43suppressed
CarvedilolCarvedilol4212
Tizanidine HclTizanidine Hcl4212
Trelegy ElliptaFluticasone/Umeclidin/Vilanter41suppressed
ClonazepamClonazepam40suppressed
FinasterideFinasteride40suppressed
CelecoxibCelecoxib39suppressed
Pravastatin SodiumPravastatin Sodium3913
EzetimibeEzetimibe3611
Paroxetine HclParoxetine Hcl36suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3623
GlipizideGlipizide34suppressed
PrednisonePrednisone3427
FarxigaDapagliflozin Propanediol32suppressed
CephalexinCephalexin3123
Duloxetine HclDuloxetine Hcl31suppressed
FenofibrateFenofibrate Nanocrystallized31suppressed
Fluoxetine HclFluoxetine Hcl31suppressed
OxycontinOxycodone Hcl31suppressed
SpironolactoneSpironolactone3011
Hydroxyzine HclHydroxyzine Hcl28suppressed
JanumetSitagliptin Phos/Metformin Hcl28suppressed
Bisoprolol-HydrochlorothiazideBisoprolol/Hydrochlorothiazide26suppressed
Enalapril MaleateEnalapril Maleate26suppressed
Methenamine HippurateMethenamine Hippurate26suppressed
NamzaricMemantine Hcl/Donepezil Hcl26suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen26suppressed
Clonidine HclClonidine Hcl25suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl25suppressed
Tresiba Flextouch U-100Insulin Degludec25suppressed
TrulicityDulaglutide25suppressed
Acetaminophen-CodeineAcetaminophen With Codeine24suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2422
Doxazosin MesylateDoxazosin Mesylate24suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate24suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog23suppressed
MirtazapineMirtazapine23suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril22suppressed
Benazepril HclBenazepril Hcl22suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate22suppressed
RamiprilRamipril22suppressed
Ipratropium BromideIpratropium Bromide21suppressed
IrbesartanIrbesartan20suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2017
ValacyclovirValacyclovir Hcl20suppressed
Donepezil HclDonepezil Hcl19suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol19suppressed
LovastatinLovastatin19suppressed
TorsemideTorsemide19suppressed
Amitriptyline HclAmitriptyline Hcl18suppressed
Buspirone HclBuspirone Hcl18suppressed
EstradiolEstradiol18suppressed
Janumet XrSitagliptin Phos/Metformin Hcl17suppressed
Ondansetron OdtOndansetron17suppressed
SucralfateSucralfate17suppressed
Sumatriptan SuccinateSumatriptan Succinate17suppressed
BumetanideBumetanide16suppressed
Carbidopa-LevodopaCarbidopa/Levodopa16suppressed
Hydralazine HclHydralazine Hcl16suppressed
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate16suppressed
Solifenacin SuccinateSolifenacin Succinate16suppressed
Terazosin HclTerazosin Hcl16suppressed
Tolterodine Tartrate ErTolterodine Tartrate16suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa15suppressed
Felodipine ErFelodipine15suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic15suppressed
Nortriptyline HclNortriptyline Hcl15suppressed
Propranolol Hcl ErPropranolol Hcl15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
AripiprazoleAripiprazole14suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
JanuviaSitagliptin Phosphate14suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
Humalog Kwikpen U-100Insulin Lispro13suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13suppressed
MounjaroTirzepatide13suppressed
MupirocinMupirocin13suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
Verapamil SrVerapamil Hcl13suppressed
AmoxicillinAmoxicillin12suppressed
Diltiazem HclDiltiazem Hcl12suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide12suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
ValsartanValsartan12suppressed
Arnuity ElliptaFluticasone Furoate11suppressed
Breo ElliptaFluticasone/Vilanterol11suppressed
CefdinirCefdinir1111
GlimepirideGlimepiride11suppressed
KetoconazoleKetoconazole11suppressed
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog11suppressed
Verapamil ErVerapamil Hcl11suppressed
XareltoRivaroxaban11suppressed

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