Healthcare provider profile · identity verified

Jeffrey Semeyn, D.O.

Family Practice · ST. ROBERT, MO · NPI 1598800609

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
Levothyroxine SodiumLevothyroxine Sodium42591
Tramadol HclTramadol Hcl30581
Losartan PotassiumLosartan Potassium29990
FamotidineFamotidine26862
LisinoprilLisinopril25176
GlipizideGlipizide23852
GabapentinGabapentin23770
Atorvastatin CalciumAtorvastatin Calcium22974
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen21149
Rosuvastatin CalciumRosuvastatin Calcium19058
HydrochlorothiazideHydrochlorothiazide18448
Metformin HclMetformin Hcl17851
OmeprazoleOmeprazole16744
Tamsulosin HclTamsulosin Hcl16143
Trazodone HclTrazodone Hcl16137
Amlodipine BesylateAmlodipine Besylate14343
Metoprolol TartrateMetoprolol Tartrate14032
Albuterol Sulfate HfaAlbuterol Sulfate12940
Metoprolol SuccinateMetoprolol Succinate12434
Buspirone HclBuspirone Hcl12234
Pravastatin SodiumPravastatin Sodium11929
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen11720
Escitalopram OxalateEscitalopram Oxalate10732
MethocarbamolMethocarbamol10622
EliquisApixaban10122
Montelukast SodiumMontelukast Sodium9527
FurosemideFurosemide9433
Pantoprazole SodiumPantoprazole Sodium8631
IbuprofenIbuprofen7825
Alendronate SodiumAlendronate Sodium7727
CelecoxibCelecoxib7721
Bupropion XlBupropion Hcl7117
Potassium ChloridePotassium Chloride7025
EzetimibeEzetimibe6922
SimvastatinSimvastatin6922
CarvedilolCarvedilol6719
Venlafaxine Hcl ErVenlafaxine Hcl6721
Fluticasone PropionateFluticasone Propionate6223
Duloxetine HclDuloxetine Hcl6015
Sertraline HclSertraline Hcl6016
Cyclobenzaprine HclCyclobenzaprine Hcl5918
MeloxicamMeloxicam5916
BaclofenBaclofen5614
Hydroxyzine HclHydroxyzine Hcl5616
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5621
OzempicSemaglutide5415
Fluoxetine HclFluoxetine Hcl5313
ClopidogrelClopidogrel Bisulfate5213
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5216
Memantine HclMemantine Hcl5013
Tizanidine HclTizanidine Hcl5018
Citalopram HbrCitalopram Hydrobromide4913
Butalbital-Acetaminophen-CaffeButalb/Acetaminophen/Caffeine48suppressed
Oxybutynin Chloride ErOxybutynin Chloride48suppressed
Quetiapine FumarateQuetiapine Fumarate46suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate44suppressed
RisperidoneRisperidone44suppressed
AlprazolamAlprazolam4312
Metformin Hcl ErMetformin Hcl4211
Oxybutynin ChlorideOxybutynin Chloride42suppressed
PregabalinPregabalin42suppressed
Donepezil HclDonepezil Hcl41suppressed
Ropinirole HclRopinirole Hcl4112
Glipizide ErGlipizide4016
AllopurinolAllopurinol3911
GemfibrozilGemfibrozil39suppressed
PrednisonePrednisone3934
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide38suppressed
PrimidonePrimidone38suppressed
LorazepamLorazepam3722
ClonazepamClonazepam36suppressed
Hydralazine HclHydralazine Hcl3512
LovastatinLovastatin34suppressed
Divalproex Sodium ErDivalproex Sodium27suppressed
TopiramateTopiramate27suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride26suppressed
XareltoRivaroxaban26suppressed
AtenololAtenolol25suppressed
Oxycodone HclOxycodone Hcl25suppressed
SpironolactoneSpironolactone25suppressed
NystatinNystatin24suppressed
Sumatriptan SuccinateSumatriptan Succinate24suppressed
TelmisartanTelmisartan24suppressed
Zolpidem TartrateZolpidem Tartrate24suppressed
FinasterideFinasteride23suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol23suppressed
Bupropion HclBupropion Hcl22suppressed
Dicyclomine HclDicyclomine Hcl22suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium22suppressed
Propranolol HclPropranolol Hcl22suppressed
Amitriptyline HclAmitriptyline Hcl21suppressed
JardianceEmpagliflozin21suppressed
Doxazosin MesylateDoxazosin Mesylate20suppressed
LevetiracetamLevetiracetam20suppressed
TestosteroneTestosterone20suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog19suppressed
BumetanideBumetanide19suppressed
Benazepril HclBenazepril Hcl18suppressed
SynthroidLevothyroxine Sodium18suppressed
Ventolin HfaAlbuterol Sulfate18suppressed
AripiprazoleAripiprazole17suppressed
EntrestoSacubitril/Valsartan17suppressed
FenofibrateFenofibrate Nanocrystallized17suppressed
Meclizine HclMeclizine Hcl17suppressed
TemazepamTemazepam17suppressed
AzithromycinAzithromycin1616
Insulin Lispro Kwikpen U-100Insulin Lispro16suppressed
OlanzapineOlanzapine16suppressed
Ondansetron OdtOndansetron16suppressed
Propranolol Hcl ErPropranolol Hcl16suppressed
SymbicortBudesonide/Formoterol Fumarate16suppressed
Combivent RespimatIpratropium/Albuterol Sulfate15suppressed
JanuviaSitagliptin Phosphate15suppressed
MupirocinMupirocin15suppressed
Paroxetine HclParoxetine Hcl15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
Ciprofloxacin HclCiprofloxacin Hcl1412
MounjaroTirzepatide14suppressed
Techlite Pen NeedlePen Needle, Diabetic14suppressed
Terazosin HclTerazosin Hcl14suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf1313
Medroxyprogesterone AcetateMedroxyprogesterone Acetate13suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
JanumetSitagliptin Phos/Metformin Hcl12suppressed
Methylphenidate HclMethylphenidate Hcl12suppressed
Prasugrel HclPrasugrel Hcl12suppressed
TrulicityDulaglutide12suppressed
Carbidopa-LevodopaCarbidopa/Levodopa11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
IrbesartanIrbesartan11suppressed
Levemir FlexpenInsulin Detemir11suppressed
Novolog FlexpenInsulin Aspart11suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters11suppressed

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