Healthcare provider profile · identity verified

Gregory George Sehring, MD

Family Practice · WAUKESHA, WI · NPI 1346421112

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 Calcium429111
LisinoprilLisinopril22659
Amlodipine BesylateAmlodipine Besylate20954
OmeprazoleOmeprazole20644
Levothyroxine SodiumLevothyroxine Sodium20244
Losartan PotassiumLosartan Potassium15341
Metformin Hcl ErMetformin Hcl13538
Tamsulosin HclTamsulosin Hcl12126
HydrochlorothiazideHydrochlorothiazide11732
Metoprolol SuccinateMetoprolol Succinate11228
Rosuvastatin CalciumRosuvastatin Calcium10932
Pantoprazole SodiumPantoprazole Sodium9819
SimvastatinSimvastatin9121
GabapentinGabapentin8018
Metformin HclMetformin Hcl8019
Albuterol Sulfate HfaAlbuterol Sulfate7023
OzempicSemaglutide6816
Fluticasone PropionateFluticasone Propionate6518
Duloxetine HclDuloxetine Hcl6012
Sertraline HclSertraline Hcl5511
Trazodone HclTrazodone Hcl5414
Fluoxetine HclFluoxetine Hcl5011
Potassium ChloridePotassium Chloride4811
Amitriptyline HclAmitriptyline Hcl43suppressed
Zolpidem TartrateZolpidem Tartrate42suppressed
ClopidogrelClopidogrel Bisulfate4112
AlprazolamAlprazolam39suppressed
Metoprolol TartrateMetoprolol Tartrate38suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide37suppressed
EzetimibeEzetimibe36suppressed
Montelukast SodiumMontelukast Sodium36suppressed
GlipizideGlipizide35suppressed
AllopurinolAllopurinol3411
Lantus SolostarInsulin Glargine,hum.Rec.Anlog34suppressed
Nifedipine ErNifedipine34suppressed
Escitalopram OxalateEscitalopram Oxalate33suppressed
CarvedilolCarvedilol3111
Ipratropium BromideIpratropium Bromide29suppressed
JanuviaSitagliptin Phosphate29suppressed
SpironolactoneSpironolactone2813
GlimepirideGlimepiride27suppressed
Pravastatin SodiumPravastatin Sodium26suppressed
Pioglitazone HclPioglitazone Hcl24suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2317
TrulicityDulaglutide23suppressed
AtenololAtenolol22suppressed
FurosemideFurosemide22suppressed
Paroxetine HclParoxetine Hcl22suppressed
Alendronate SodiumAlendronate Sodium21suppressed
LorazepamLorazepam21suppressed
SymbicortBudesonide/Formoterol Fumarate21suppressed
Benazepril HclBenazepril Hcl20suppressed
XareltoRivaroxaban20suppressed
MeloxicamMeloxicam19suppressed
CelecoxibCelecoxib18suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium18suppressed
Venlafaxine Hcl ErVenlafaxine Hcl18suppressed
GemfibrozilGemfibrozil17suppressed
Bupropion XlBupropion Hcl16suppressed
ClonazepamClonazepam16suppressed
EliquisApixaban16suppressed
Ventolin HfaAlbuterol Sulfate16suppressed
FluconazoleFluconazole15suppressed
LamotrigineLamotrigine15suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide15suppressed
ClonidineClonidine14suppressed
FenofibrateFenofibrate14suppressed
JardianceEmpagliflozin14suppressed
Propranolol HclPropranolol Hcl14suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic14suppressed
BaclofenBaclofen13suppressed
Citalopram HbrCitalopram Hydrobromide13suppressed
ClotrimazoleClotrimazole13suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
FamotidineFamotidine13suppressed
Qvar RedihalerBeclomethasone Dipropionate13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide13suppressed
ValsartanValsartan13suppressed
ValacyclovirValacyclovir Hcl12suppressed
ZenpepLipase/Protease/Amylase12suppressed
AcetazolamideAcetazolamide11suppressed
DiazepamDiazepam11suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
LevetiracetamLevetiracetam11suppressed
Memantine Hcl ErMemantine Hcl11suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide11suppressed

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