Healthcare provider profile · identity verified

Marc Wenzel, MD

Endocrinology · KYLE, TX · NPI 1265709315

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 Sodium456135
OzempicSemaglutide39174
Metformin HclMetformin Hcl369109
Lantus SolostarInsulin Glargine,hum.Rec.Anlog29777
Atorvastatin CalciumAtorvastatin Calcium27991
MounjaroTirzepatide24243
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog18942
TrulicityDulaglutide17845
Tresiba Flextouch U-100Insulin Degludec17650
FarxigaDapagliflozin Propanediol16942
Alendronate SodiumAlendronate Sodium15549
Novolog FlexpenInsulin Aspart15240
JardianceEmpagliflozin15034
Humalog Kwikpen U-100Insulin Lispro14440
Humulin R U-500 KwikpenInsulin Regular, Human14126
Pravastatin SodiumPravastatin Sodium13539
Metformin Hcl ErMetformin Hcl12837
EzetimibeEzetimibe12444
Insulin Lispro Kwikpen U-100Insulin Lispro12239
SynthroidLevothyroxine Sodium11929
Nano 2nd Gen Pen NeedlePen Needle, Diabetic10940
GlimepirideGlimepiride9724
GlipizideGlipizide9729
Pioglitazone HclPioglitazone Hcl8827
Tresiba Flextouch U-200Insulin Degludec8618
MethimazoleMethimazole8425
Levemir FlexpenInsulin Detemir8028
Rosuvastatin CalciumRosuvastatin Calcium8029
Ultra-Fine Short Pen NeedlePen Needle, Diabetic7931
Losartan PotassiumLosartan Potassium7023
GabapentinGabapentin6622
HydrocortisoneHydrocortisone6312
Glipizide ErGlipizide6024
LisinoprilLisinopril6018
Nortriptyline HclNortriptyline Hcl5913
Insulin LisproInsulin Lispro57suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog5015
ProliaDenosumab4943
Ultra-Fine Mini Pen NeedlePen Needle, Diabetic4318
Janumet XrSitagliptin Phos/Metformin Hcl42suppressed
Humulin R U-500Insulin Regular, Human40suppressed
Amlodipine BesylateAmlodipine Besylate3812
LantusInsulin Glargine,hum.Rec.Anlog3712
HydrochlorothiazideHydrochlorothiazide36suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide35suppressed
Droplet Pen NeedlePen Needle, Diabetic3411
Fiasp FlextouchInsulin Aspart (Niacinamide)3211
NovologInsulin Aspart31suppressed
SimvastatinSimvastatin31suppressed
Humalog Kwikpen U-200Insulin Lispro30suppressed
TymlosAbaloparatide28suppressed
FenofibrateFenofibrate27suppressed
HumalogInsulin Lispro27suppressed
Incontrol Pen NeedlePen Needle, Diabetic2712
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic25suppressed
Comfort Ez Pen NeedlePen Needle, Diabetic24suppressed
Omnipod 5 Dexg7g6 Pods (Gen 5)Insulin Pump Cart,auto,bt,g6/724suppressed
SpironolactoneSpironolactone24suppressed
CalcitriolCalcitriol23suppressed
EuthyroxLevothyroxine Sodium22suppressed
Testosterone CypionateTestosterone Cypionate22suppressed
Xigduo XrDapaglifloz Propaned/Metformin22suppressed
LevemirInsulin Detemir20suppressed
Metoprolol SuccinateMetoprolol Succinate20suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide19suppressed
Potassium ChloridePotassium Chloride19suppressed
UnithroidLevothyroxine Sodium19suppressed
CabergolineCabergoline18suppressed
Insulin Aspart FlexpenInsulin Aspart1812
IrbesartanIrbesartan18suppressed
JanuviaSitagliptin Phosphate18suppressed
PregabalinPregabalin18suppressed
Ultra-Fine Original Pen NeedlePen Needle, Diabetic18suppressed
Desmopressin AcetateDesmopressin Acetate17suppressed
RybelsusSemaglutide17suppressed
Toujeo Max SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
CarvedilolCarvedilol15suppressed
Humulin RInsulin Regular, Human14suppressed
AllopurinolAllopurinol13suppressed
Humalog Mix 75-25Insulin Lispro Protamin/Lispro13suppressed
IndapamideIndapamide13suppressed
Insulin SyringeSyringe-Needle,insulin,0.5 Ml13suppressed
Lyumjev Kwikpen U-100Insulin Lispro-Aabc13suppressed
SynjardyEmpagliflozin/Metformin Hcl13suppressed
TelmisartanTelmisartan13suppressed
TestosteroneTestosterone13suppressed
Victoza 3-PakLiraglutide13suppressed
JanumetSitagliptin Phos/Metformin Hcl12suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters12suppressed
TeriparatideTeriparatide12suppressed
Trazodone HclTrazodone Hcl12suppressed
Benazepril HclBenazepril Hcl11suppressed
Insulin Degludec Pen (U-100)Insulin Degludec11suppressed
Insulin SyringeSyringe And Needle,insulin,1ml11suppressed
LyumjevInsulin Lispro-Aabc11suppressed
Novolin NInsulin Nph Human Isophane11suppressed
V-Go 40Sub-Q Insulin Device, 40 Unit11suppressed

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