Healthcare provider profile · identity verified

Nga Nguyen, MD

Family Practice · ELK GROVE, CA · NPI 1669826384

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 Calcium26882
GabapentinGabapentin19143
Losartan PotassiumLosartan Potassium18454
Amlodipine BesylateAmlodipine Besylate16352
Levothyroxine SodiumLevothyroxine Sodium15441
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen12631
LisinoprilLisinopril12637
HydrochlorothiazideHydrochlorothiazide11232
Albuterol Sulfate HfaAlbuterol Sulfate9637
OmeprazoleOmeprazole8829
Pantoprazole SodiumPantoprazole Sodium8426
Metoprolol SuccinateMetoprolol Succinate5715
Fluticasone PropionateFluticasone Propionate5521
Metformin HclMetformin Hcl5515
Ondansetron OdtOndansetron55suppressed
Trazodone HclTrazodone Hcl5315
Pravastatin SodiumPravastatin Sodium5215
FurosemideFurosemide4917
Rosuvastatin CalciumRosuvastatin Calcium4912
Alendronate SodiumAlendronate Sodium4818
Metformin Hcl ErMetformin Hcl4720
MeloxicamMeloxicam4611
EstradiolEstradiol4418
Montelukast SodiumMontelukast Sodium4417
SimvastatinSimvastatin4414
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen43suppressed
LovastatinLovastatin40suppressed
Sertraline HclSertraline Hcl39suppressed
AllopurinolAllopurinol36suppressed
Potassium ChloridePotassium Chloride3512
Escitalopram OxalateEscitalopram Oxalate34suppressed
Hydralazine HclHydralazine Hcl34suppressed
Metoprolol TartrateMetoprolol Tartrate33suppressed
FamotidineFamotidine32suppressed
SpironolactoneSpironolactone32suppressed
Quetiapine FumarateQuetiapine Fumarate31suppressed
EliquisApixaban30suppressed
OzempicSemaglutide29suppressed
Tizanidine HclTizanidine Hcl29suppressed
PrednisonePrednisone2813
Warfarin SodiumWarfarin Sodium28suppressed
IbuprofenIbuprofen27suppressed
Benazepril HclBenazepril Hcl26suppressed
Citalopram HbrCitalopram Hydrobromide26suppressed
PregabalinPregabalin26suppressed
Diclofenac SodiumDiclofenac Sodium24suppressed
Glipizide ErGlipizide24suppressed
BaclofenBaclofen2314
CarvedilolCarvedilol23suppressed
Acetaminophen-CodeineAcetaminophen With Codeine22suppressed
Fluoxetine HclFluoxetine Hcl22suppressed
Tramadol HclTramadol Hcl22suppressed
Oxybutynin Chloride ErOxybutynin Chloride21suppressed
Promethazine HclPromethazine Hcl21suppressed
Venlafaxine Hcl ErVenlafaxine Hcl21suppressed
Bupropion XlBupropion Hcl20suppressed
Doxazosin MesylateDoxazosin Mesylate20suppressed
PremarinEstrogens, Conjugated20suppressed
Tamsulosin HclTamsulosin Hcl20suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol19suppressed
JardianceEmpagliflozin19suppressed
Paroxetine HclParoxetine Hcl19suppressed
MyrbetriqMirabegron18suppressed
SynthroidLevothyroxine Sodium18suppressed
EzetimibeEzetimibe17suppressed
AtenololAtenolol16suppressed
Clonidine HclClonidine Hcl16suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl16suppressed
Dicyclomine HclDicyclomine Hcl16suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
Olmesartan MedoxomilOlmesartan Medoxomil16suppressed
TrulicityDulaglutide16suppressed
CyclosporineCyclosporine15suppressed
Duloxetine HclDuloxetine Hcl15suppressed
FinasterideFinasteride15suppressed
GlipizideGlipizide15suppressed
Nifedipine ErNifedipine15suppressed
Sildenafil CitrateSildenafil Citrate15suppressed
Zolpidem TartrateZolpidem Tartrate15suppressed
Clobetasol PropionateClobetasol Propionate14suppressed
Estradiol (Once Weekly)Estradiol14suppressed
Hydroxyzine HclHydroxyzine Hcl14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
Oxybutynin ChlorideOxybutynin Chloride14suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim14suppressed
Azelastine HclAzelastine Hcl13suppressed
Buspirone HclBuspirone Hcl13suppressed
HydrocortisoneHydrocortisone13suppressed
TopiramateTopiramate13suppressed
Advair HfaFluticasone Propion/Salmeterol12suppressed
Arnuity ElliptaFluticasone Furoate12suppressed
ChlorthalidoneChlorthalidone12suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide12suppressed
Pioglitazone HclPioglitazone Hcl12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav11suppressed
CelecoxibCelecoxib11suppressed
ColchicineColchicine11suppressed
Doxycycline HyclateDoxycycline Hyclate11suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium11suppressed
SymbicortBudesonide/Formoterol Fumarate11suppressed

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