Healthcare provider profile · identity verified

Andrew Joseph Klein, MD

Internal Medicine · PITTSBURGH, PA · NPI 1598183261

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 Calcium470126
LisinoprilLisinopril17141
Amlodipine BesylateAmlodipine Besylate16544
Losartan PotassiumLosartan Potassium16050
Tamsulosin HclTamsulosin Hcl14945
HydrochlorothiazideHydrochlorothiazide12342
EliquisApixaban12031
Rosuvastatin CalciumRosuvastatin Calcium11134
Pantoprazole SodiumPantoprazole Sodium10330
Metformin HclMetformin Hcl10128
GabapentinGabapentin9928
Levothyroxine SodiumLevothyroxine Sodium9931
FurosemideFurosemide8824
OmeprazoleOmeprazole8823
FamotidineFamotidine7925
JardianceEmpagliflozin7818
OzempicSemaglutide7813
AtenololAtenolol6916
Metoprolol SuccinateMetoprolol Succinate6919
Metformin Hcl ErMetformin Hcl6318
Sertraline HclSertraline Hcl6215
Trazodone HclTrazodone Hcl5712
Duloxetine HclDuloxetine Hcl5512
FinasterideFinasteride5314
Potassium ChloridePotassium Chloride5215
AllopurinolAllopurinol5115
CarvedilolCarvedilol5115
Albuterol Sulfate HfaAlbuterol Sulfate4919
Cyclobenzaprine HclCyclobenzaprine Hcl4717
Citalopram HbrCitalopram Hydrobromide44suppressed
TrulicityDulaglutide43suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr42suppressed
Oxycodone HclOxycodone Hcl4215
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4112
Escitalopram OxalateEscitalopram Oxalate4013
Zolpidem TartrateZolpidem Tartrate37suppressed
PregabalinPregabalin34suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3311
MeloxicamMeloxicam3212
TradjentaLinagliptin31suppressed
Fluticasone PropionateFluticasone Propionate2916
IbuprofenIbuprofen28suppressed
Bupropion XlBupropion Hcl2711
ClopidogrelClopidogrel Bisulfate27suppressed
Ondansetron HclOndansetron Hcl26suppressed
SimvastatinSimvastatin26suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen2511
LoperamideLoperamide Hcl25suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
Nifedipine ErNifedipine24suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide24suppressed
ZonisamideZonisamide24suppressed
ChlorthalidoneChlorthalidone23suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine22suppressed
Fluoxetine HclFluoxetine Hcl22suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol22suppressed
Montelukast SodiumMontelukast Sodium22suppressed
Hydroxyzine PamoateHydroxyzine Pamoate21suppressed
Ondansetron OdtOndansetron2112
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen21suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate20suppressed
LorazepamLorazepam20suppressed
AlprazolamAlprazolam19suppressed
Metoprolol TartrateMetoprolol Tartrate19suppressed
PrednisonePrednisone1913
Venlafaxine Hcl ErVenlafaxine Hcl19suppressed
Humalog Kwikpen U-100Insulin Lispro18suppressed
Hydroxyzine HclHydroxyzine Hcl18suppressed
Ventolin HfaAlbuterol Sulfate18suppressed
RybelsusSemaglutide17suppressed
Sevelamer CarbonateSevelamer Carbonate17suppressed
SpironolactoneSpironolactone17suppressed
Tramadol HclTramadol Hcl17suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
BaclofenBaclofen16suppressed
EzetimibeEzetimibe16suppressed
SynthroidLevothyroxine Sodium16suppressed
AzithromycinAzithromycin15suppressed
Brimonidine TartrateBrimonidine Tartrate15suppressed
GlipizideGlipizide15suppressed
NitroglycerinNitroglycerin15suppressed
ValsartanValsartan15suppressed
LamotrigineLamotrigine14suppressed
MethocarbamolMethocarbamol14suppressed
CelecoxibCelecoxib13suppressed
Diclofenac SodiumDiclofenac Sodium13suppressed
Dorzolamide HclDorzolamide Hcl13suppressed
LevetiracetamLevetiracetam13suppressed
MounjaroTirzepatide13suppressed
Alendronate SodiumAlendronate Sodium12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1211
ColchicineColchicine12suppressed
Ethacrynic AcidEthacrynic Acid12suppressed
IrbesartanIrbesartan12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Terazosin HclTerazosin Hcl12suppressed
Doxepin HclDoxepin Hcl11suppressed
MirtazapineMirtazapine11suppressed
ValacyclovirValacyclovir Hcl11suppressed
Warfarin SodiumWarfarin 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