Healthcare provider profile · identity verified

Mysa T Nguyen, MD

Family Practice · RICHLAND CENTER, WI · NPI 1003377607

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 Calcium18149
Metoprolol SuccinateMetoprolol Succinate10527
Losartan PotassiumLosartan Potassium9028
Pantoprazole SodiumPantoprazole Sodium8525
FurosemideFurosemide8427
Duloxetine HclDuloxetine Hcl7911
LisinoprilLisinopril7724
Levothyroxine SodiumLevothyroxine Sodium7616
EliquisApixaban7518
Quetiapine FumarateQuetiapine Fumarate73suppressed
OmeprazoleOmeprazole6616
GabapentinGabapentin6419
Amlodipine BesylateAmlodipine Besylate5420
SpironolactoneSpironolactone5214
JardianceEmpagliflozin51suppressed
CarvedilolCarvedilol4812
Alendronate SodiumAlendronate Sodium4413
EzetimibeEzetimibe43suppressed
Hydroxyzine HclHydroxyzine Hcl4211
Pramipexole DihydrochloridePramipexole Di-Hcl39suppressed
TrulicityDulaglutide39suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate37suppressed
Tamsulosin HclTamsulosin Hcl3712
Bupropion XlBupropion Hcl34suppressed
Tramadol HclTramadol Hcl33suppressed
Venlafaxine HclVenlafaxine Hcl32suppressed
FamotidineFamotidine31suppressed
Fluticasone PropionateFluticasone Propionate3111
Montelukast SodiumMontelukast Sodium31suppressed
Potassium ChloridePotassium Chloride3111
ClopidogrelClopidogrel Bisulfate29suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl29suppressed
Metformin Hcl ErMetformin Hcl27suppressed
Venlafaxine Hcl ErVenlafaxine Hcl27suppressed
Metformin HclMetformin Hcl26suppressed
Rosuvastatin CalciumRosuvastatin Calcium26suppressed
HydrochlorothiazideHydrochlorothiazide2511
PregabalinPregabalin25suppressed
Metoprolol TartrateMetoprolol Tartrate24suppressed
Tizanidine HclTizanidine Hcl23suppressed
Buspirone HclBuspirone Hcl22suppressed
Citalopram HbrCitalopram Hydrobromide22suppressed
Flecainide AcetateFlecainide Acetate22suppressed
RybelsusSemaglutide21suppressed
AtenololAtenolol20suppressed
Combivent RespimatIpratropium/Albuterol Sulfate20suppressed
Escitalopram OxalateEscitalopram Oxalate20suppressed
FentanylFentanyl20suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog19suppressed
LevetiracetamLevetiracetam19suppressed
Liothyronine SodiumLiothyronine Sodium19suppressed
Sertraline HclSertraline Hcl19suppressed
Nifedipine ErNifedipine18suppressed
Oxycodone HclOxycodone Hcl18suppressed
FinasterideFinasteride17suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride17suppressed
Propranolol HclPropranolol Hcl17suppressed
RisperidoneRisperidone17suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic17suppressed
Ventolin HfaAlbuterol Sulfate17suppressed
ChlorthalidoneChlorthalidone16suppressed
Diclofenac SodiumDiclofenac Sodium16suppressed
FluconazoleFluconazole16suppressed
MeloxicamMeloxicam16suppressed
MirtazapineMirtazapine16suppressed
OzempicSemaglutide16suppressed
TorsemideTorsemide15suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
SimvastatinSimvastatin14suppressed
Sumatriptan SuccinateSumatriptan Succinate14suppressed
TopiramateTopiramate14suppressed
Glipizide ErGlipizide13suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13suppressed
NaproxenNaproxen13suppressed
Albuterol Sulfate HfaAlbuterol Sulfate12suppressed
AllopurinolAllopurinol12suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
Divalproex SodiumDivalproex Sodium12suppressed
Donepezil HclDonepezil Hcl12suppressed
Fluvoxamine MaleateFluvoxamine Maleate12suppressed
Incruse ElliptaUmeclidinium Bromide12suppressed
LamotrigineLamotrigine12suppressed
MounjaroTirzepatide12suppressed
MyrbetriqMirabegron12suppressed
Oxybutynin ChlorideOxybutynin Chloride12suppressed
Advair HfaFluticasone Propion/Salmeterol11suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1111
Dicyclomine HclDicyclomine Hcl11suppressed
Fiasp FlextouchInsulin Aspart (Niacinamide)11suppressed
Memantine HclMemantine Hcl11suppressed
Nebivolol HclNebivolol Hcl11suppressed
Tresiba Flextouch U-200Insulin Degludec11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed
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