Healthcare provider profile · identity verified

Oto Prokop, M.D.

Internal Medicine · SKOWHEGAN, ME · NPI 1083631014

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
FurosemideFurosemide28665
OmeprazoleOmeprazole27768
Rosuvastatin CalciumRosuvastatin Calcium25172
LisinoprilLisinopril24967
Atorvastatin CalciumAtorvastatin Calcium23967
Levothyroxine SodiumLevothyroxine Sodium22352
EliquisApixaban18135
Metoprolol SuccinateMetoprolol Succinate18145
Amlodipine BesylateAmlodipine Besylate16350
Metoprolol TartrateMetoprolol Tartrate16138
Fluticasone PropionateFluticasone Propionate15327
HydrochlorothiazideHydrochlorothiazide13940
Losartan PotassiumLosartan Potassium13536
Pantoprazole SodiumPantoprazole Sodium13334
GabapentinGabapentin11523
OzempicSemaglutide11418
SpironolactoneSpironolactone11231
Albuterol Sulfate HfaAlbuterol Sulfate10835
Citalopram HbrCitalopram Hydrobromide10628
ClopidogrelClopidogrel Bisulfate9926
AtenololAtenolol9526
Duloxetine HclDuloxetine Hcl9522
Pravastatin SodiumPravastatin Sodium9526
MirtazapineMirtazapine9219
FinasterideFinasteride9121
Metformin HclMetformin Hcl9129
Potassium ChloridePotassium Chloride9021
SimvastatinSimvastatin8622
Tamsulosin HclTamsulosin Hcl8425
Warfarin SodiumWarfarin Sodium7714
Nortriptyline HclNortriptyline Hcl7320
Nifedipine ErNifedipine7221
Venlafaxine Hcl ErVenlafaxine Hcl7119
Buspirone HclBuspirone Hcl6915
FamotidineFamotidine6919
Tramadol HclTramadol Hcl6916
PregabalinPregabalin6713
PrednisonePrednisone6423
AllopurinolAllopurinol6319
Ipratropium BromideIpratropium Bromide5914
Clonidine HclClonidine Hcl5815
Diltiazem 24hr Er (Cd)Diltiazem Hcl5619
Isosorbide Mononitrate ErIsosorbide Mononitrate5614
Montelukast SodiumMontelukast Sodium5514
Lantus SolostarInsulin Glargine,hum.Rec.Anlog5315
ClonazepamClonazepam50suppressed
TrulicityDulaglutide50suppressed
Glipizide ErGlipizide4613
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4515
JardianceEmpagliflozin43suppressed
EzetimibeEzetimibe42suppressed
Arnuity ElliptaFluticasone Furoate36suppressed
DigoxinDigoxin36suppressed
BuprenorphineBuprenorphine35suppressed
Pioglitazone HclPioglitazone Hcl3511
Zolpidem TartrateZolpidem Tartrate35suppressed
CarvedilolCarvedilol33suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl33suppressed
NitroglycerinNitroglycerin3327
Ventolin HfaAlbuterol Sulfate32suppressed
Hydralazine HclHydralazine Hcl31suppressed
Metformin Hcl ErMetformin Hcl31suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr30suppressed
Ropinirole HclRopinirole Hcl30suppressed
MeloxicamMeloxicam29suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter29suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog28suppressed
Propranolol Hcl ErPropranolol Hcl28suppressed
Sertraline HclSertraline Hcl28suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen27suppressed
Trazodone HclTrazodone Hcl27suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2713
LorazepamLorazepam26suppressed
Novolog FlexpenInsulin Aspart25suppressed
BaclofenBaclofen24suppressed
ColchicineColchicine2311
Paroxetine HclParoxetine Hcl23suppressed
Bupropion XlBupropion Hcl22suppressed
DiazepamDiazepam22suppressed
ValsartanValsartan22suppressed
Doxazosin MesylateDoxazosin Mesylate21suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol21suppressed
JanuviaSitagliptin Phosphate21suppressed
Oxycodone HclOxycodone Hcl21suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid21suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide20suppressed
AlprazolamAlprazolam19suppressed
CilostazolCilostazol19suppressed
Doxycycline HyclateDoxycycline Hyclate1918
Ranolazine ErRanolazine19suppressed
Labetalol HclLabetalol Hcl18suppressed
ChlorthalidoneChlorthalidone17suppressed
GemfibrozilGemfibrozil17suppressed
GlipizideGlipizide17suppressed
LinzessLinaclotide17suppressed
Quetiapine FumarateQuetiapine Fumarate17suppressed
XareltoRivaroxaban17suppressed
Breo ElliptaFluticasone/Vilanterol16suppressed
Combivent RespimatIpratropium/Albuterol Sulfate16suppressed
FenofibrateFenofibrate Nanocrystallized16suppressed
Incruse ElliptaUmeclidinium Bromide16suppressed
Ondansetron HclOndansetron Hcl16suppressed
Alendronate SodiumAlendronate Sodium15suppressed
AzithromycinAzithromycin15suppressed
CelecoxibCelecoxib15suppressed
Fluocinolone AcetonideFluocinolone Acetonide1511
LamotrigineLamotrigine15suppressed
LovastatinLovastatin15suppressed
MetolazoneMetolazone15suppressed
CefadroxilCefadroxil1411
LevetiracetamLevetiracetam14suppressed
MyrbetriqMirabegron14suppressed
Prazosin HclPrazosin Hcl14suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic14suppressed
Acetaminophen-CodeineAcetaminophen With Codeine13suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro13suppressed
Meclizine HclMeclizine Hcl13suppressed
Memantine HclMemantine Hcl13suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1312
TopiramateTopiramate13suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
FluconazoleFluconazole12suppressed
Hydroxyzine HclHydroxyzine Hcl12suppressed
KetoconazoleKetoconazole12suppressed
LyricaPregabalin12suppressed
Olmesartan MedoxomilOlmesartan Medoxomil12suppressed
Repatha SureclickEvolocumab12suppressed
RivastigmineRivastigmine12suppressed
Spiriva RespimatTiotropium Bromide12suppressed
SymbicortBudesonide/Formoterol Fumarate12suppressed
TadalafilTadalafil12suppressed
TrandolaprilTrandolapril12suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl11suppressed
LansoprazoleLansoprazole11suppressed
Pulmicort FlexhalerBudesonide11suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf11suppressed
SynthroidLevothyroxine Sodium11suppressed

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