Healthcare provider profile · identity verified

Peter L Wisniewski, MD

Internal Medicine · PRINCE FREDERICK, MD · NPI 1922157593

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 Calcium639195
Amlodipine BesylateAmlodipine Besylate383114
Losartan PotassiumLosartan Potassium381107
Levothyroxine SodiumLevothyroxine Sodium31488
LisinoprilLisinopril30892
PrednisonePrednisone294145
Metoprolol SuccinateMetoprolol Succinate27280
Pantoprazole SodiumPantoprazole Sodium26578
AlprazolamAlprazolam20541
HydrochlorothiazideHydrochlorothiazide19765
Sertraline HclSertraline Hcl19552
Rosuvastatin CalciumRosuvastatin Calcium18254
Albuterol Sulfate HfaAlbuterol Sulfate17763
Tramadol HclTramadol Hcl16941
GabapentinGabapentin16456
AzithromycinAzithromycin15384
Tamsulosin HclTamsulosin Hcl15047
Metformin HclMetformin Hcl12739
MeloxicamMeloxicam12135
OmeprazoleOmeprazole12136
FurosemideFurosemide12050
Montelukast SodiumMontelukast Sodium11035
EliquisApixaban10436
AllopurinolAllopurinol9225
Metformin Hcl ErMetformin Hcl9232
SimvastatinSimvastatin8522
OzempicSemaglutide8420
Zolpidem TartrateZolpidem Tartrate8220
GlimepirideGlimepiride7723
Escitalopram OxalateEscitalopram Oxalate7527
XareltoRivaroxaban7317
Quetiapine FumarateQuetiapine Fumarate7220
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav6753
CefdinirCefdinir6644
ClopidogrelClopidogrel Bisulfate6522
Ropinirole HclRopinirole Hcl6418
SynthroidLevothyroxine Sodium6419
Trazodone HclTrazodone Hcl6423
AtenololAtenolol6319
FamotidineFamotidine6322
Triamcinolone AcetonideTriamcinolone Acetonide6223
Ondansetron OdtOndansetron6131
FinasterideFinasteride6018
Doxycycline HyclateDoxycycline Hyclate5940
Fluticasone PropionateFluticasone Propionate5816
DiazepamDiazepam57suppressed
JardianceEmpagliflozin5618
MirtazapineMirtazapine5217
Donepezil HclDonepezil Hcl5015
Ciprofloxacin HclCiprofloxacin Hcl4935
TorsemideTorsemide4918
Bupropion XlBupropion Hcl4813
Hydroxyzine HclHydroxyzine Hcl4815
Meclizine HclMeclizine Hcl4818
Potassium ChloridePotassium Chloride4718
Metoprolol TartrateMetoprolol Tartrate4515
CarvedilolCarvedilol4415
LorazepamLorazepam44suppressed
ClonazepamClonazepam43suppressed
Duloxetine HclDuloxetine Hcl4317
Trelegy ElliptaFluticasone/Umeclidin/Vilanter4114
KetoconazoleKetoconazole4019
EzetimibeEzetimibe3914
LevofloxacinLevofloxacin3925
Memantine HclMemantine Hcl39suppressed
SpironolactoneSpironolactone3712
FluconazoleFluconazole3530
Alendronate SodiumAlendronate Sodium3412
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide33suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3213
Pravastatin SodiumPravastatin Sodium31suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid31suppressed
Azelastine HclAzelastine Hcl30suppressed
Fluoxetine HclFluoxetine Hcl30suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide30suppressed
Oxybutynin Chloride ErOxybutynin Chloride30suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2915
Ipratropium BromideIpratropium Bromide2912
Wixela InhubFluticasone Propion/Salmeterol29suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate28suppressed
CelecoxibCelecoxib28suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog27suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium26suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide26suppressed
NaproxenNaproxen26suppressed
GlipizideGlipizide25suppressed
Hydralazine HclHydralazine Hcl25suppressed
Nifedipine ErNifedipine25suppressed
RamiprilRamipril25suppressed
Diclofenac SodiumDiclofenac Sodium23suppressed
MetronidazoleMetronidazole23suppressed
SymbicortBudesonide/Formoterol Fumarate23suppressed
Olmesartan MedoxomilOlmesartan Medoxomil22suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2220
ColchicineColchicine21suppressed
IbuprofenIbuprofen21suppressed
LansoprazoleLansoprazole21suppressed
Acetaminophen-CodeineAcetaminophen With Codeine20suppressed
Benazepril HclBenazepril Hcl20suppressed
Glipizide ErGlipizide20suppressed
MyrbetriqMirabegron20suppressed
Buspirone HclBuspirone Hcl19suppressed
EstradiolEstradiol19suppressed
LinzessLinaclotide19suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr18suppressed
Breo ElliptaFluticasone/Vilanterol18suppressed
Dicyclomine HclDicyclomine Hcl1811
FarxigaDapagliflozin Propanediol18suppressed
MethocarbamolMethocarbamol18suppressed
MethotrexateMethotrexate Sodium18suppressed
NitrofurantoinNitrofurantoin Macrocrystal18suppressed
NitroglycerinNitroglycerin18suppressed
PremarinEstrogens, Conjugated18suppressed
Propranolol HclPropranolol Hcl18suppressed
Propranolol Hcl ErPropranolol Hcl18suppressed
ValacyclovirValacyclovir Hcl18suppressed
AmoxicillinAmoxicillin17suppressed
Citalopram HbrCitalopram Hydrobromide17suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1713
LidocaineLidocaine17suppressed
MounjaroTirzepatide17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
Ventolin HfaAlbuterol Sulfate17suppressed
DigoxinDigoxin16suppressed
PregabalinPregabalin16suppressed
Verapamil ErVerapamil Hcl16suppressed
Clobetasol PropionateClobetasol Propionate15suppressed
JanuviaSitagliptin Phosphate15suppressed
LovastatinLovastatin15suppressed
Ondansetron HclOndansetron Hcl15suppressed
PaxlovidNirmatrelvir/Ritonavir1515
Sildenafil CitrateSildenafil Citrate15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
Levalbuterol Tartrate HfaLevalbuterol Tartrate14suppressed
Oxycodone HclOxycodone Hcl14suppressed
PrimidonePrimidone14suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic14suppressed
NucalaMepolizumab13suppressed
Pioglitazone HclPioglitazone Hcl13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
RinvoqUpadacitinib13suppressed
SilodosinSilodosin13suppressed
Bisoprolol FumarateBisoprolol Fumarate12suppressed
CephalexinCephalexin12suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl12suppressed
EtodolacEtodolac12suppressed
FenofibrateFenofibrate Nanocrystallized12suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride12suppressed
Mometasone FuroateMometasone Furoate12suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen12suppressed
AripiprazoleAripiprazole11suppressed
Arnuity ElliptaFluticasone Furoate11suppressed
Chlorhexidine GluconateChlorhexidine Gluconate11suppressed
Clonidine HclClonidine Hcl11suppressed
HydrocortisoneHydrocortisone11suppressed
IrbesartanIrbesartan11suppressed
RexultiBrexpiprazole11suppressed
Terazosin HclTerazosin Hcl11suppressed
Tolterodine Tartrate ErTolterodine Tartrate11suppressed

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