Healthcare provider profile · identity verified

Quynhan Chau

Allopathic & Osteopathic Physicians|Internal Medicine · ORLANDO, FL · NPI 1942628235

Profile state: payments and partd 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

CMS Open Payments records show Quynhan Chau received $414.08 in general payments during 2025 across 5 reported records.

AstraZeneca Pharmaceuticals LP accounted for 43.0% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 3 associated products.

Novo Nordisk Inc reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Ozempic as an associated drug or biological on 261625 records involving 77793 distinct recipient NPIs. Public Medicare Part D data also shows 33 claims for Ozempic by this doctor in 2024.

Novo Nordisk Inc reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Rybelsus as an associated drug or biological on 161257 records involving 55409 distinct recipient NPIs. Public Medicare Part D data also shows 19 claims for Rybelsus by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$414.08

5 reported records · 3 companies

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.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
AstraZeneca Pharmaceuticals LP Unresolved — no canonical attribution shown $178.1043.0%32025
Gilead Sciences, Inc. Unresolved — no canonical attribution shown $121.8029.4%12025
Novo Nordisk Inc Unresolved — no canonical attribution shown $114.1827.6%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$414.085

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
BREZTRI
Normalized: breztri
Drug AstraZeneca Pharmaceuticals LP $178.10 3 2025
Source payment records
AIRSUPRA
Normalized: airsupra
Drug AstraZeneca Pharmaceuticals LP $47.82 1 2025
Source payment records
FARXIGA
Normalized: farxiga
Drug AstraZeneca Pharmaceuticals LP $47.82 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

No exact normalized or approved-alias overlap was found in the loaded Part D year. This does not mean the doctor never prescribed the product.

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.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
Novo Nordisk Inc
Exact reporting entity; no affiliate inference
2025 Ozempic
open payments reported associated product
CMS Open Payments — General Payments
261625 supporting records · 77793 recipient NPIs · example record 1188130076
Ozempic · 2024
Exact normalized brand match · 1 Part D row
33 12
Novo Nordisk Inc
Exact reporting entity; no affiliate inference
2025 Rybelsus
open payments reported associated product
CMS Open Payments — General Payments
161257 supporting records · 55409 recipient NPIs · example record 1188130076
Rybelsus · 2024
Exact normalized brand match · 1 Part D row
19 suppressed by CMS

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 Calcium29685
Levothyroxine SodiumLevothyroxine Sodium29273
EliquisApixaban18218
Amlodipine BesylateAmlodipine Besylate16859
Pantoprazole SodiumPantoprazole Sodium15848
Metformin HclMetformin Hcl15644
LisinoprilLisinopril13333
Losartan PotassiumLosartan Potassium11650
GabapentinGabapentin10831
Rosuvastatin CalciumRosuvastatin Calcium10640
Metoprolol SuccinateMetoprolol Succinate9524
Fluticasone PropionateFluticasone Propionate9130
Metoprolol TartrateMetoprolol Tartrate7925
CarvedilolCarvedilol7317
OmeprazoleOmeprazole7223
AzithromycinAzithromycin7163
Albuterol Sulfate HfaAlbuterol Sulfate6925
MirtazapineMirtazapine6719
Montelukast SodiumMontelukast Sodium6114
Vitamin D2Ergocalciferol (Vitamin D2)6024
MethylprednisoloneMethylprednisolone5950
Fludrocortisone AcetateFludrocortisone Acetate58suppressed
Tamsulosin HclTamsulosin Hcl5815
FamotidineFamotidine5713
Diclofenac SodiumDiclofenac Sodium5527
JardianceEmpagliflozin5512
Alendronate SodiumAlendronate Sodium5320
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5023
MeloxicamMeloxicam4616
HydrochlorothiazideHydrochlorothiazide4513
Trazodone HclTrazodone Hcl4518
AlprazolamAlprazolam4422
Sertraline HclSertraline Hcl4317
Clonidine HclClonidine Hcl4111
Hydralazine HclHydralazine Hcl4113
SpironolactoneSpironolactone40suppressed
FenofibrateFenofibrate38suppressed
AtenololAtenolol35suppressed
Pravastatin SodiumPravastatin Sodium3511
SimvastatinSimvastatin3414
OzempicSemaglutide3312
Triamcinolone AcetonideTriamcinolone Acetonide3318
LinzessLinaclotide32suppressed
Metformin Hcl ErMetformin Hcl31suppressed
XareltoRivaroxaban31suppressed
Escitalopram OxalateEscitalopram Oxalate2911
Fluoxetine HclFluoxetine Hcl29suppressed
MethocarbamolMethocarbamol2914
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2926
Ondansetron OdtOndansetron2812
LevetiracetamLevetiracetam27suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter2713
FurosemideFurosemide2615
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride26suppressed
ValsartanValsartan26suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2421
Tizanidine HclTizanidine Hcl24suppressed
VascepaIcosapent Ethyl24suppressed
Carbidopa-LevodopaCarbidopa/Levodopa23suppressed
CephalexinCephalexin2311
Memantine HclMemantine Hcl23suppressed
Zolpidem TartrateZolpidem Tartrate2318
GemtesaVibegron22suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters22suppressed
Tramadol HclTramadol Hcl2218
LactuloseLactulose21suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide21suppressed
Meclizine HclMeclizine Hcl2111
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen2113
TorsemideTorsemide21suppressed
Doxycycline MonohydrateDoxycycline Monohydrate2016
Chlorhexidine GluconateChlorhexidine Gluconate19suppressed
Divalproex SodiumDivalproex Sodium19suppressed
LatanoprostLatanoprost19suppressed
RybelsusSemaglutide19suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog18suppressed
ClopidogrelClopidogrel Bisulfate18suppressed
Donepezil HclDonepezil Hcl18suppressed
FinasterideFinasteride18suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog18suppressed
Nifedipine ErNifedipine18suppressed
IngrezzaValbenazine Tosylate17suppressed
Oxybutynin ChlorideOxybutynin Chloride16suppressed
AllopurinolAllopurinol14suppressed
Carbamazepine ErCarbamazepine14suppressed
DigoxinDigoxin14suppressed
Midodrine HclMidodrine Hcl14suppressed
Pioglitazone HclPioglitazone Hcl14suppressed
Acetaminophen-CodeineAcetaminophen With Codeine1312
Azelastine HclAzelastine Hcl13suppressed
BreynaBudesonide/Formoterol Fumarate13suppressed
Dicyclomine HclDicyclomine Hcl13suppressed
FenofibrateFenofibrate Nanocrystallized13suppressed
Tresiba Flextouch U-100Insulin Degludec13suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic13suppressed
Duloxetine HclDuloxetine Hcl12suppressed
EnuloseLactulose12suppressed
EzetimibeEzetimibe12suppressed
IbuprofenIbuprofen12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Ventolin HfaAlbuterol Sulfate12suppressed
Blisovi FeNorethindrone-E.Estradiol-Iron11suppressed
Potassium ChloridePotassium Chloride11suppressed

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 $414.08 · 5 records AstraZeneca Pharmaceuticals LP AIRSUPRA, BREZTRI, FARXIGA 2
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