Healthcare provider profile · identity verified

Hoyee Chan, MD

Internal Medicine · BUFFALO GROVE, IL · NPI 1336208297

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 Calcium685198
Amlodipine BesylateAmlodipine Besylate388112
Losartan PotassiumLosartan Potassium23472
Levothyroxine SodiumLevothyroxine Sodium23259
LisinoprilLisinopril19758
Metformin HclMetformin Hcl16748
Metoprolol SuccinateMetoprolol Succinate14143
Rosuvastatin CalciumRosuvastatin Calcium12742
OmeprazoleOmeprazole11342
Metformin Hcl ErMetformin Hcl10431
Montelukast SodiumMontelukast Sodium9228
CarvedilolCarvedilol8527
MounjaroTirzepatide7917
Pantoprazole SodiumPantoprazole Sodium7730
GabapentinGabapentin7631
OzempicSemaglutide7517
RybelsusSemaglutide7014
SimvastatinSimvastatin6920
FarxigaDapagliflozin Propanediol6820
Pravastatin SodiumPravastatin Sodium6318
GlimepirideGlimepiride6014
JardianceEmpagliflozin6021
Alendronate SodiumAlendronate Sodium5819
AllopurinolAllopurinol5615
CelecoxibCelecoxib5414
Escitalopram OxalateEscitalopram Oxalate5416
Fluticasone PropionateFluticasone Propionate5120
Duloxetine HclDuloxetine Hcl4916
EzetimibeEzetimibe4918
MeloxicamMeloxicam4421
Olmesartan MedoxomilOlmesartan Medoxomil4412
Tamsulosin HclTamsulosin Hcl4415
Trazodone HclTrazodone Hcl4215
EliquisApixaban3612
FurosemideFurosemide36suppressed
AtenololAtenolol35suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide3512
AzithromycinAzithromycin3433
Metoprolol TartrateMetoprolol Tartrate3412
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr30suppressed
HydrochlorothiazideHydrochlorothiazide3011
Azelastine HclAzelastine Hcl2919
MethylprednisoloneMethylprednisolone2927
IrbesartanIrbesartan28suppressed
ClopidogrelClopidogrel Bisulfate27suppressed
EntrestoSacubitril/Valsartan27suppressed
Fluoxetine HclFluoxetine Hcl27suppressed
SpironolactoneSpironolactone27suppressed
Diclofenac SodiumDiclofenac Sodium25suppressed
Buspirone HclBuspirone Hcl24suppressed
ValsartanValsartan24suppressed
Sertraline HclSertraline Hcl23suppressed
VascepaIcosapent Ethyl23suppressed
Albuterol Sulfate HfaAlbuterol Sulfate20suppressed
FamotidineFamotidine20suppressed
PaxlovidNirmatrelvir/Ritonavir2020
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1818
Warfarin SodiumWarfarin Sodium18suppressed
Citalopram HbrCitalopram Hydrobromide17suppressed
Donepezil HclDonepezil Hcl17suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol17suppressed
JanuviaSitagliptin Phosphate17suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride17suppressed
Pioglitazone HclPioglitazone Hcl17suppressed
AlprazolamAlprazolam16suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter16suppressed
Candesartan-HydrochlorothiazidCandesartan/Hydrochlorothiazid15suppressed
Meclizine HclMeclizine Hcl15suppressed
Olmesartan-HydrochlorothiazideOlmesartan/Hydrochlorothiazide15suppressed
RamiprilRamipril15suppressed
Risedronate SodiumRisedronate Sodium15suppressed
Benazepril HclBenazepril Hcl14suppressed
BreynaBudesonide/Formoterol Fumarate14suppressed
Dropsafe Prep PadsAlcohol Antiseptic Pads14suppressed
PregabalinPregabalin14suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate13suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil13suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide13suppressed
Nifedipine ErNifedipine13suppressed
Paroxetine HclParoxetine Hcl13suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1312
LivaloPitavastatin Calcium12suppressed
TelmisartanTelmisartan12suppressed
Wixela InhubFluticasone Propion/Salmeterol12suppressed
Zolpidem TartrateZolpidem Tartrate12suppressed
Bupropion XlBupropion Hcl11suppressed
Ibandronate SodiumIbandronate Sodium11suppressed
Metoclopramide HclMetoclopramide Hcl11suppressed
Nortriptyline HclNortriptyline 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