Healthcare provider profile · identity verified

Sangkun Park, MD

Internal Medicine · ASTORIA, OR · NPI 1477622991

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 Calcium28366
Levothyroxine SodiumLevothyroxine Sodium26960
Amlodipine BesylateAmlodipine Besylate22764
Metoprolol TartrateMetoprolol Tartrate19752
SimvastatinSimvastatin19555
Losartan PotassiumLosartan Potassium18649
Metformin HclMetformin Hcl17737
Metoprolol SuccinateMetoprolol Succinate17348
Potassium ChloridePotassium Chloride14237
Warfarin SodiumWarfarin Sodium14022
GabapentinGabapentin11729
LisinoprilLisinopril11126
Tamsulosin HclTamsulosin Hcl10733
TorsemideTorsemide10627
OmeprazoleOmeprazole10530
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen8814
Citalopram HbrCitalopram Hydrobromide8117
Pantoprazole SodiumPantoprazole Sodium7920
Rosuvastatin CalciumRosuvastatin Calcium7817
Tramadol HclTramadol Hcl7521
GlipizideGlipizide7313
EliquisApixaban6613
Alendronate SodiumAlendronate Sodium6521
HydrochlorothiazideHydrochlorothiazide6219
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide5514
Ciprofloxacin HclCiprofloxacin Hcl5440
GlimepirideGlimepiride5415
NabumetoneNabumetone5422
PrednisonePrednisone5329
LorazepamLorazepam4819
DigoxinDigoxin42suppressed
FamotidineFamotidine41suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate40suppressed
Glipizide ErGlipizide39suppressed
LovastatinLovastatin38suppressed
AzithromycinAzithromycin3636
Escitalopram OxalateEscitalopram Oxalate36suppressed
NateglinideNateglinide35suppressed
FinasterideFinasteride34suppressed
JardianceEmpagliflozin34suppressed
Metformin Hcl ErMetformin Hcl33suppressed
XareltoRivaroxaban33suppressed
BaclofenBaclofen3219
Pravastatin SodiumPravastatin Sodium32suppressed
EzetimibeEzetimibe31suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl30suppressed
Duloxetine HclDuloxetine Hcl30suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog30suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3019
Albuterol Sulfate HfaAlbuterol Sulfate29suppressed
SpironolactoneSpironolactone27suppressed
LevetiracetamLevetiracetam25suppressed
LevofloxacinLevofloxacin2521
Trazodone HclTrazodone Hcl24suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2316
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid23suppressed
AcyclovirAcyclovir21suppressed
MeloxicamMeloxicam21suppressed
Acetaminophen-CodeineAcetaminophen With Codeine2011
CarvedilolCarvedilol20suppressed
Doxazosin MesylateDoxazosin Mesylate20suppressed
GemfibrozilGemfibrozil20suppressed
Basaglar Kwikpen U-100Insulin Glargine,hum.Rec.Anlog19suppressed
FurosemideFurosemide1911
Sertraline HclSertraline Hcl19suppressed
AllopurinolAllopurinol18suppressed
Amlodipine Besylate-BenazeprilAmlodipine Besylate/Benazepril18suppressed
AtenololAtenolol18suppressed
CelecoxibCelecoxib18suppressed
PregabalinPregabalin18suppressed
Rabeprazole SodiumRabeprazole Sodium17suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide16suppressed
NystatinNystatin16suppressed
Ondansetron HclOndansetron Hcl16suppressed
Ropinirole HclRopinirole Hcl16suppressed
SynthroidLevothyroxine Sodium16suppressed
Verapamil HclVerapamil Hcl16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl15suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip14suppressed
Clobetasol PropionateClobetasol Propionate13suppressed
Enalapril MaleateEnalapril Maleate13suppressed
Fluticasone PropionateFluticasone Propionate13suppressed
LantusInsulin Glargine,hum.Rec.Anlog13suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl13suppressed
Amlodipine-OlmesartanAmlodipine Bes/Olmesartan Med12suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1211
AnastrozoleAnastrozole12suppressed
Aspirin-Dipyridamole ErAspirin/Dipyridamole12suppressed
Benazepril HclBenazepril Hcl12suppressed
CarbamazepineCarbamazepine12suppressed
Clonidine HclClonidine Hcl12suppressed
Terbutaline SulfateTerbutaline Sulfate12suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter12suppressed
TrulicityDulaglutide12suppressed
CefdinirCefdinir1111
ClopidogrelClopidogrel Bisulfate11suppressed
DexamethasoneDexamethasone1111
NaproxenNaproxen11suppressed
SucralfateSucralfate11suppressed

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