Healthcare provider profile · identity verified

Yann Yi Pan, MD

Family Practice · STONY BROOK, NY · NPI 1245401033

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 Calcium423178
Losartan PotassiumLosartan Potassium316124
Rosuvastatin CalciumRosuvastatin Calcium250111
Amlodipine BesylateAmlodipine Besylate247101
LisinoprilLisinopril19178
Metformin Hcl ErMetformin Hcl13752
Levothyroxine SodiumLevothyroxine Sodium13551
Alendronate SodiumAlendronate Sodium10740
SimvastatinSimvastatin10736
AtenololAtenolol10041
Metformin HclMetformin Hcl9638
Tramadol HclTramadol Hcl9621
OmeprazoleOmeprazole9137
JardianceEmpagliflozin8329
GlipizideGlipizide8236
OzempicSemaglutide6613
HydrochlorothiazideHydrochlorothiazide6527
Albuterol Sulfate HfaAlbuterol Sulfate6336
IbuprofenIbuprofen6322
AllopurinolAllopurinol6121
Metoprolol TartrateMetoprolol Tartrate5827
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5626
Trazodone HclTrazodone Hcl5427
Hydralazine HclHydralazine Hcl4819
LorazepamLorazepam36suppressed
GabapentinGabapentin3516
Tamsulosin HclTamsulosin Hcl34suppressed
TemazepamTemazepam3311
Zolpidem TartrateZolpidem Tartrate32suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3117
Potassium ChloridePotassium Chloride3115
LovastatinLovastatin29suppressed
Terazosin HclTerazosin Hcl2913
MeloxicamMeloxicam2812
FamotidineFamotidine2715
FurosemideFurosemide27suppressed
LactuloseLactulose27suppressed
PradaxaDabigatran Etexilate Mesylate27suppressed
Wixela InhubFluticasone Propion/Salmeterol27suppressed
Bisoprolol FumarateBisoprolol Fumarate26suppressed
Sertraline HclSertraline Hcl25suppressed
Escitalopram OxalateEscitalopram Oxalate24suppressed
Pantoprazole SodiumPantoprazole Sodium2411
AlvescoCiclesonide23suppressed
MupirocinMupirocin2318
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf2222
ClopidogrelClopidogrel Bisulfate22suppressed
EzetimibeEzetimibe22suppressed
HydrocortisoneHydrocortisone2115
AzithromycinAzithromycin2020
Donepezil HclDonepezil Hcl20suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen19suppressed
Ondansetron HclOndansetron Hcl18suppressed
Fluoxetine HclFluoxetine Hcl17suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid17suppressed
CarvedilolCarvedilol16suppressed
EstradiolEstradiol16suppressed
PrednisonePrednisone1612
Spiriva RespimatTiotropium Bromide16suppressed
BreynaBudesonide/Formoterol Fumarate15suppressed
Fluticasone PropionateFluticasone Propionate15suppressed
AlprazolamAlprazolam14suppressed
Benazepril HclBenazepril Hcl14suppressed
Clobetasol PropionateClobetasol Propionate14suppressed
Pioglitazone HclPioglitazone Hcl14suppressed
Pravastatin SodiumPravastatin Sodium12suppressed
Triamcinolone AcetonideTriamcinolone Acetonide12suppressed
CefadroxilCefadroxil1111
CiclopiroxCiclopirox11suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn11suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic11suppressed

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