Healthcare provider profile · identity verified

Mark Wiesen, M.D.

Endocrinology · TEANECK, NJ · NPI 1053367912

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 Sodium1388380
Rosuvastatin CalciumRosuvastatin Calcium513163
Metformin Hcl ErMetformin Hcl438138
MounjaroTirzepatide38664
Metformin HclMetformin Hcl370105
OzempicSemaglutide29157
Pioglitazone HclPioglitazone Hcl28780
Glipizide ErGlipizide27881
Nano 2nd Gen Pen NeedlePen Needle, Diabetic258112
SynthroidLevothyroxine Sodium23358
Lantus SolostarInsulin Glargine,hum.Rec.Anlog19262
Atorvastatin CalciumAtorvastatin Calcium18958
JardianceEmpagliflozin18353
Humalog Kwikpen U-100Insulin Lispro17867
Alendronate SodiumAlendronate Sodium15451
GlimepirideGlimepiride13533
Losartan PotassiumLosartan Potassium13240
Tresiba Flextouch U-200Insulin Degludec12940
SimvastatinSimvastatin12433
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog11530
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog11238
Novolog FlexpenInsulin Aspart10941
Omnipod 5 Dexg7g6 Pods (Gen 5)Insulin Pump Cart,auto,bt,g6/710416
MethimazoleMethimazole8723
Tresiba Flextouch U-100Insulin Degludec8437
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide8122
HumalogInsulin Lispro7414
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog7122
RybelsusSemaglutide6117
FarxigaDapagliflozin Propanediol5916
JanuviaSitagliptin Phosphate5914
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic5423
GabapentinGabapentin5023
Amlodipine BesylateAmlodipine Besylate4814
Pravastatin SodiumPravastatin Sodium4315
TrulicityDulaglutide4313
Insulin Lispro Kwikpen U-100Insulin Lispro42suppressed
NovologInsulin Aspart40suppressed
Humalog Kwikpen U-200Insulin Lispro34suppressed
HydrocortisoneHydrocortisone34suppressed
Janumet XrSitagliptin Phos/Metformin Hcl30suppressed
HydrochlorothiazideHydrochlorothiazide28suppressed
Metoprolol SuccinateMetoprolol Succinate26suppressed
AtenololAtenolol25suppressed
Cinacalcet HclCinacalcet Hcl25suppressed
EzetimibeEzetimibe25suppressed
RamiprilRamipril25suppressed
LisinoprilLisinopril24suppressed
RepaglinideRepaglinide24suppressed
AllopurinolAllopurinol23suppressed
Droplet Pen NeedlePen Needle, Diabetic23suppressed
CalcitriolCalcitriol22suppressed
Fludrocortisone AcetateFludrocortisone Acetate21suppressed
IrbesartanIrbesartan21suppressed
Levemir FlexpenInsulin Detemir19suppressed
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic19suppressed
Enalapril MaleateEnalapril Maleate18suppressed
PregabalinPregabalin18suppressed
Vitamin D2Ergocalciferol (Vitamin D2)18suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide17suppressed
FenofibrateFenofibrate16suppressed
FenofibrateFenofibrate Nanocrystallized16suppressed
LevoxylLevothyroxine Sodium16suppressed
Novofine 32Pen Needle, Diabetic16suppressed
Testosterone CypionateTestosterone Cypionate16suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)15suppressed
SteglatroErtugliflozin Pidolate15suppressed
Tamsulosin HclTamsulosin Hcl15suppressed
FenofibrateFenofibrate,micronized14suppressed
Comfort Ez Pen NeedlePen Needle, Diabetic13suppressed
Icosapent EthylIcosapent Ethyl13suppressed
Nortriptyline HclNortriptyline Hcl13suppressed
Risedronate SodiumRisedronate Sodium13suppressed
SynjardyEmpagliflozin/Metformin Hcl13suppressed
TradjentaLinagliptin13suppressed
GlipizideGlipizide12suppressed
Bydureon BciseExenatide Microspheres11suppressed
InvokanaCanagliflozin11suppressed
Lyumjev Kwikpen U-100Insulin Lispro-Aabc11suppressed
PrednisonePrednisone11suppressed

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