Healthcare provider profile · identity verified

Christopher D Bieniek, PA-C

Physician Assistant · BUFFALO, NY · NPI 1407006901

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 Calcium15735
Levothyroxine SodiumLevothyroxine Sodium14932
LisinoprilLisinopril14225
EliquisApixaban13124
FurosemideFurosemide12726
Pantoprazole SodiumPantoprazole Sodium10425
GabapentinGabapentin9923
Metoprolol SuccinateMetoprolol Succinate9827
Sertraline HclSertraline Hcl9815
Amlodipine BesylateAmlodipine Besylate8923
Rosuvastatin CalciumRosuvastatin Calcium8816
Escitalopram OxalateEscitalopram Oxalate7217
XareltoRivaroxaban70suppressed
ClopidogrelClopidogrel Bisulfate6416
OmeprazoleOmeprazole51suppressed
Metoprolol TartrateMetoprolol Tartrate4913
Buspirone HclBuspirone Hcl46suppressed
BumetanideBumetanide4411
Losartan PotassiumLosartan Potassium44suppressed
Tamsulosin HclTamsulosin Hcl44suppressed
Alendronate SodiumAlendronate Sodium43suppressed
Metformin HclMetformin Hcl42suppressed
FamotidineFamotidine41suppressed
MirtazapineMirtazapine39suppressed
SpironolactoneSpironolactone38suppressed
CarvedilolCarvedilol37suppressed
HydrochlorothiazideHydrochlorothiazide37suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog35suppressed
Potassium ChloridePotassium Chloride3513
AlprazolamAlprazolam3411
Quetiapine FumarateQuetiapine Fumarate34suppressed
Trazodone HclTrazodone Hcl3411
Donepezil HclDonepezil Hcl30suppressed
Duloxetine HclDuloxetine Hcl30suppressed
Tramadol HclTramadol Hcl30suppressed
Memantine HclMemantine Hcl27suppressed
LatanoprostLatanoprost26suppressed
ClozapineClozapine25suppressed
FarxigaDapagliflozin Propanediol25suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate25suppressed
LorazepamLorazepam25suppressed
Albuterol Sulfate HfaAlbuterol Sulfate2414
EzetimibeEzetimibe24suppressed
Fluticasone PropionateFluticasone Propionate24suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2416
Glipizide ErGlipizide22suppressed
IrbesartanIrbesartan22suppressed
JardianceEmpagliflozin22suppressed
MyrbetriqMirabegron22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl22suppressed
Midodrine HclMidodrine Hcl21suppressed
Oxybutynin ChlorideOxybutynin Chloride21suppressed
TrulicityDulaglutide21suppressed
Carbidopa-LevodopaCarbidopa/Levodopa20suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl20suppressed
LevetiracetamLevetiracetam20suppressed
Amitriptyline HclAmitriptyline Hcl19suppressed
LamotrigineLamotrigine18suppressed
SimvastatinSimvastatin17suppressed
Hydralazine HclHydralazine Hcl16suppressed
RisperidoneRisperidone16suppressed
Bupropion Hcl SrBupropion Hcl15suppressed
FinasterideFinasteride15suppressed
Meclizine HclMeclizine Hcl15suppressed
BaclofenBaclofen14suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
Clonidine HclClonidine Hcl13suppressed
Folic AcidFolic Acid13suppressed
HaloperidolHaloperidol13suppressed
Ondansetron HclOndansetron Hcl13suppressed
Pravastatin SodiumPravastatin Sodium13suppressed
RamiprilRamipril13suppressed
ScopolamineScopolamine13suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic13suppressed
Amiodarone HclAmiodarone Hcl12suppressed
Benztropine MesylateBenztropine Mesylate12suppressed
BinostoAlendronate Sodium12suppressed
Diltiazem HclDiltiazem Hcl12suppressed
MetolazoneMetolazone12suppressed
XifaxanRifaximin12suppressed
Citalopram HbrCitalopram Hydrobromide11suppressed
Fluphenazine HclFluphenazine Hcl11suppressed
Lithium Carbonate ErLithium Carbonate11suppressed

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