Healthcare provider profile · identity verified

Christopher M Mueller, NP

Nurse Practitioner · COLBY, WI · NPI 1225554108

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 Calcium38098
LisinoprilLisinopril22371
Losartan PotassiumLosartan Potassium19956
OmeprazoleOmeprazole19860
Amlodipine BesylateAmlodipine Besylate18354
Levothyroxine SodiumLevothyroxine Sodium16248
Metoprolol SuccinateMetoprolol Succinate15342
Tamsulosin HclTamsulosin Hcl12435
HydrochlorothiazideHydrochlorothiazide11035
GabapentinGabapentin10725
EliquisApixaban10622
Metformin HclMetformin Hcl10230
Warfarin SodiumWarfarin Sodium10127
Pantoprazole SodiumPantoprazole Sodium9427
Metoprolol TartrateMetoprolol Tartrate8426
FurosemideFurosemide8240
Rosuvastatin CalciumRosuvastatin Calcium7721
PrednisonePrednisone6850
Albuterol Sulfate HfaAlbuterol Sulfate6631
Metformin Hcl ErMetformin Hcl6416
Glipizide ErGlipizide6318
TrulicityDulaglutide61suppressed
GlipizideGlipizide5713
SimvastatinSimvastatin5514
Zolpidem TartrateZolpidem Tartrate5512
ClopidogrelClopidogrel Bisulfate5115
Tramadol HclTramadol Hcl4917
Sertraline HclSertraline Hcl4714
JardianceEmpagliflozin45suppressed
Ropinirole HclRopinirole Hcl43suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4032
Trazodone HclTrazodone Hcl4014
Triamcinolone AcetonideTriamcinolone Acetonide3926
AllopurinolAllopurinol3812
Fluticasone PropionateFluticasone Propionate3813
CarvedilolCarvedilol3714
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3712
EzetimibeEzetimibe3412
Fluoxetine HclFluoxetine Hcl34suppressed
Venlafaxine Hcl ErVenlafaxine Hcl32suppressed
AmoxicillinAmoxicillin3117
FinasterideFinasteride31suppressed
PregabalinPregabalin30suppressed
Potassium ChloridePotassium Chloride29suppressed
Duloxetine HclDuloxetine Hcl28suppressed
MeloxicamMeloxicam2812
AzithromycinAzithromycin2724
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2624
Isosorbide Mononitrate ErIsosorbide Mononitrate25suppressed
Pravastatin SodiumPravastatin Sodium25suppressed
BaclofenBaclofen23suppressed
GlimepirideGlimepiride23suppressed
Montelukast SodiumMontelukast Sodium22suppressed
AlprazolamAlprazolam21suppressed
AtenololAtenolol21suppressed
Hydroxyzine HclHydroxyzine Hcl21suppressed
Oxycodone HclOxycodone Hcl21suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl20suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog20suppressed
Semglee (Yfgn) PenInsulin Glargine-Yfgn20suppressed
SpironolactoneSpironolactone20suppressed
Ventolin HfaAlbuterol Sulfate20suppressed
Bupropion Hcl SrBupropion Hcl19suppressed
Alendronate SodiumAlendronate Sodium18suppressed
Escitalopram OxalateEscitalopram Oxalate18suppressed
XareltoRivaroxaban18suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen17suppressed
Morphine Sulfate ErMorphine Sulfate17suppressed
OzempicSemaglutide17suppressed
Spiriva HandihalerTiotropium Bromide17suppressed
Bupropion XlBupropion Hcl16suppressed
FenofibrateFenofibrate Nanocrystallized16suppressed
NaproxenNaproxen16suppressed
Oxybutynin ChlorideOxybutynin Chloride16suppressed
Citalopram HbrCitalopram Hydrobromide15suppressed
FentanylFentanyl15suppressed
KetoconazoleKetoconazole15suppressed
Nifedipine ErNifedipine15suppressed
SynthroidLevothyroxine Sodium15suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl14suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide14suppressed
Breo ElliptaFluticasone/Vilanterol13suppressed
ClonazepamClonazepam13suppressed
LinzessLinaclotide13suppressed
OlanzapineOlanzapine13suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid13suppressed
ValsartanValsartan13suppressed
Amitriptyline HclAmitriptyline Hcl12suppressed
ClotrimazoleClotrimazole12suppressed
FarxigaDapagliflozin Propanediol12suppressed
IrbesartanIrbesartan12suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide12suppressed
NystatinNystatin12suppressed
PiroxicamPiroxicam12suppressed
Tizanidine HclTizanidine Hcl12suppressed
NitroglycerinNitroglycerin1111
Pramipexole DihydrochloridePramipexole Di-Hcl11suppressed

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