Healthcare provider profile · identity verified

William Brock Kretsinger, DO

Internal Medicine · EMPORIA, KS · NPI 1346270915

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 Sodium570109
Amlodipine BesylateAmlodipine Besylate37187
SimvastatinSimvastatin32683
Atorvastatin CalciumAtorvastatin Calcium32073
Rosuvastatin CalciumRosuvastatin Calcium31675
LisinoprilLisinopril29065
Pantoprazole SodiumPantoprazole Sodium27974
Metoprolol SuccinateMetoprolol Succinate23961
Potassium ChloridePotassium Chloride23254
Losartan PotassiumLosartan Potassium22763
Tamsulosin HclTamsulosin Hcl22556
Metoprolol TartrateMetoprolol Tartrate20744
HydrochlorothiazideHydrochlorothiazide19746
Metformin Hcl ErMetformin Hcl18342
OmeprazoleOmeprazole17945
Tramadol HclTramadol Hcl17942
GabapentinGabapentin17039
AllopurinolAllopurinol16935
EliquisApixaban16628
FurosemideFurosemide15738
Alendronate SodiumAlendronate Sodium14528
Sertraline HclSertraline Hcl13929
Warfarin SodiumWarfarin Sodium13923
Metformin HclMetformin Hcl13323
FamotidineFamotidine12929
LorazepamLorazepam12725
Donepezil HclDonepezil Hcl12321
CarvedilolCarvedilol12130
RamiprilRamipril10926
Escitalopram OxalateEscitalopram Oxalate10819
XareltoRivaroxaban10617
BumetanideBumetanide9913
Albuterol Sulfate HfaAlbuterol Sulfate9130
IrbesartanIrbesartan8521
ClopidogrelClopidogrel Bisulfate8122
AlprazolamAlprazolam7615
CelecoxibCelecoxib7615
JardianceEmpagliflozin7511
Trazodone HclTrazodone Hcl7518
Pravastatin SodiumPravastatin Sodium6917
OzempicSemaglutide68suppressed
AzithromycinAzithromycin6045
Citalopram HbrCitalopram Hydrobromide5813
PrednisonePrednisone5831
TemazepamTemazepam58suppressed
AtenololAtenolol5512
MeloxicamMeloxicam5313
Nifedipine ErNifedipine52suppressed
LovastatinLovastatin5113
Pioglitazone HclPioglitazone Hcl51suppressed
Montelukast SodiumMontelukast Sodium50suppressed
Propranolol HclPropranolol Hcl5013
Zolpidem TartrateZolpidem Tartrate4816
FinasterideFinasteride4617
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4615
Isosorbide Mononitrate ErIsosorbide Mononitrate45suppressed
Amiodarone HclAmiodarone Hcl43suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4219
Tizanidine HclTizanidine Hcl4212
ChlorthalidoneChlorthalidone4011
Enalapril MaleateEnalapril Maleate40suppressed
Hydralazine HclHydralazine Hcl38suppressed
LatanoprostLatanoprost38suppressed
Amitriptyline HclAmitriptyline Hcl37suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl36suppressed
FenofibrateFenofibrate Nanocrystallized36suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3612
Buspirone HclBuspirone Hcl35suppressed
SynthroidLevothyroxine Sodium35suppressed
Oxycodone HclOxycodone Hcl34suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen3311
MirtazapineMirtazapine32suppressed
Flecainide AcetateFlecainide Acetate30suppressed
Fluticasone PropionateFluticasone Propionate3012
GlimepirideGlimepiride30suppressed
SpironolactoneSpironolactone30suppressed
ClonazepamClonazepam29suppressed
Clonidine HclClonidine Hcl29suppressed
Memantine HclMemantine Hcl29suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl29suppressed
Diclofenac SodiumDiclofenac Sodium27suppressed
LevetiracetamLevetiracetam26suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl25suppressed
EstradiolEstradiol25suppressed
GlipizideGlipizide25suppressed
PregabalinPregabalin25suppressed
Doxycycline HyclateDoxycycline Hyclate2417
NystatinNystatin2411
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid24suppressed
Benazepril HclBenazepril Hcl23suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog22suppressed
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine22suppressed
Felodipine ErFelodipine22suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2117
EzetimibeEzetimibe21suppressed
Midodrine HclMidodrine Hcl21suppressed
ValsartanValsartan21suppressed
Bupropion XlBupropion Hcl20suppressed
Duloxetine HclDuloxetine Hcl19suppressed
Spiriva HandihalerTiotropium Bromide19suppressed
Tresiba Flextouch U-100Insulin Degludec19suppressed
Ciprofloxacin HclCiprofloxacin Hcl1817
Incruse ElliptaUmeclidinium Bromide17suppressed
Ipratropium BromideIpratropium Bromide17suppressed
NitroglycerinNitroglycerin1714
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic17suppressed
Advair HfaFluticasone Propion/Salmeterol16suppressed
EntrestoSacubitril/Valsartan16suppressed
Fludrocortisone AcetateFludrocortisone Acetate16suppressed
SymbicortBudesonide/Formoterol Fumarate16suppressed
TorsemideTorsemide16suppressed
FenofibrateFenofibrate15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
Novolin 70-30Insulin Nph Hum/Reg Insulin Hm15suppressed
Repatha SureclickEvolocumab15suppressed
Ventolin HfaAlbuterol Sulfate15suppressed
BaclofenBaclofen14suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip14suppressed
GemfibrozilGemfibrozil14suppressed
MupirocinMupirocin14suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic14suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended14suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1411
CephalexinCephalexin1312
Colestipol HclColestipol Hcl13suppressed
Dicyclomine HclDicyclomine Hcl13suppressed
ProgesteroneProgesterone, Micronized13suppressed
Ropinirole HclRopinirole Hcl13suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide13suppressed
Morphine SulfateMorphine Sulfate12suppressed
NystopNystatin12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
Asa-Butalb-Caffeine-CodeineCodeine/Butalbital/Asa/Caffein11suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide11suppressed
LantusInsulin Glargine,hum.Rec.Anlog11suppressed
LyricaPregabalin11suppressed
MethylprednisoloneMethylprednisolone11suppressed
Quetiapine FumarateQuetiapine Fumarate11suppressed
Sildenafil CitrateSildenafil Citrate11suppressed

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