Healthcare provider profile · identity verified

Woojin Han

Allopathic & Osteopathic Physicians|Internal Medicine · COLUMBIA, SC · NPI 1790340511

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 Woojin Han received $242.99 in general payments during 2025 across 13 reported records.

PFIZER INC. accounted for 20.0% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 14 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Eliquis, Ozempic.

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 48 claims for Ozempic by this doctor in 2024.

PFIZER 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 ELIQUIS as an associated drug or biological on 87112 records involving 36032 distinct recipient NPIs. Public Medicare Part D data also shows 19 claims for Eliquis by this doctor in 2024.

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

Payment overview · 2025

General Payments

$242.99

13 reported records · 8 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
PFIZER INC. Unresolved — no canonical attribution shown $48.6520.0%32025
Corcept Therapeutics Unresolved — no canonical attribution shown $44.2218.2%22025
Novo Nordisk Inc Unresolved — no canonical attribution shown $40.5616.7%22025
BETA BIONICS, INC. Unresolved — no canonical attribution shown $28.5111.7%12025
ABBVIE INC. Unresolved — no canonical attribution shown $28.2711.6%22025
Gilead Sciences, Inc. Unresolved — no canonical attribution shown $23.719.8%12025
GlaxoSmithKline, LLC. Unresolved — no canonical attribution shown $15.426.3%12025
Amgen Inc. Unresolved — no canonical attribution shown $13.655.6%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$242.9913

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
Korlym
Normalized: korlym
Drug Corcept Therapeutics $44.22 2 2025
Source payment records
Ozempic
Normalized: ozempic
Drug Novo Nordisk Inc $40.56 2 2025
Source payment records
Rybelsus
Normalized: rybelsus
Drug Novo Nordisk Inc $40.56 2 2025
Source payment records
ELIQUIS
Normalized: eliquis
Drug PFIZER INC. $31.37 2 2025
Source payment records
NURTEC ODT
Normalized: nurtec odt
Drug PFIZER INC. $31.37 2 2025
Source payment records
iLet Bionic Pancreas
Normalized: ilet bionic pancreas
Device BETA BIONICS, INC. $28.51 1 2025
Source payment records
iLet Insulin Infusion Kit Contact Detach
Normalized: ilet insulin infusion kit contact detach
Device BETA BIONICS, INC. $28.51 1 2025
Source payment records
iLet Insulin Infusion Kit Inset
Normalized: ilet insulin infusion kit inset
Device BETA BIONICS, INC. $28.51 1 2025
Source payment records
PREVNAR 20
Normalized: prevnar 20
Biological PFIZER INC. $17.28 1 2025
Source payment records
AREXVY
Normalized: arexvy
Biological GlaxoSmithKline, LLC. $15.42 1 2025
Source payment records
SHINGRIX
Normalized: shingrix
Biological GlaxoSmithKline, LLC. $15.42 1 2025
Source payment records
VRAYLAR
Normalized: vraylar
Drug ABBVIE INC. $14.22 1 2025
Source payment records
QULIPTA
Normalized: qulipta
Drug ABBVIE INC. $14.05 1 2025
Source payment records
EVENITY
Normalized: evenity
Biological Amgen Inc. $13.65 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

Open Payments productPayment yearPart D brandPart D yearClaimsMatch methodSource
ELIQUIS
eliquis
2025 Eliquis 2024 19
Beneficiary count suppressed
exact normalized Medicare Part D
Ozempic
ozempic
2025 Ozempic 2024 48
Beneficiary count suppressed
exact normalized Medicare Part D

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
48 suppressed by CMS
PFIZER INC.
Exact reporting entity; no affiliate inference
2025 ELIQUIS
open payments reported associated product
CMS Open Payments — General Payments
87112 supporting records · 36032 recipient NPIs · example record 1228794063
Eliquis · 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
Amlodipine BesylateAmlodipine Besylate10246
Losartan PotassiumLosartan Potassium8834
Atorvastatin CalciumAtorvastatin Calcium7940
Rosuvastatin CalciumRosuvastatin Calcium7724
Levothyroxine SodiumLevothyroxine Sodium6324
FurosemideFurosemide5931
GabapentinGabapentin5521
OzempicSemaglutide48suppressed
Albuterol Sulfate HfaAlbuterol Sulfate4723
Metoprolol SuccinateMetoprolol Succinate4616
Pantoprazole SodiumPantoprazole Sodium4323
PregabalinPregabalin4011
OmeprazoleOmeprazole3816
Tramadol HclTramadol Hcl3820
ClonazepamClonazepam3512
Metformin HclMetformin Hcl3317
Trazodone HclTrazodone Hcl3213
LisinoprilLisinopril3112
Zolpidem TartrateZolpidem Tartrate29suppressed
Donepezil HclDonepezil Hcl2811
Tamsulosin HclTamsulosin Hcl2812
Cyclobenzaprine HclCyclobenzaprine Hcl2611
Montelukast SodiumMontelukast Sodium25suppressed
Duloxetine HclDuloxetine Hcl23suppressed
Escitalopram OxalateEscitalopram Oxalate23suppressed
Potassium ChloridePotassium Chloride23suppressed
AlprazolamAlprazolam22suppressed
JardianceEmpagliflozin21suppressed
FarxigaDapagliflozin Propanediol20suppressed
HydrochlorothiazideHydrochlorothiazide2011
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen20suppressed
Tizanidine HclTizanidine Hcl20suppressed
CarvedilolCarvedilol19suppressed
ClopidogrelClopidogrel Bisulfate19suppressed
EliquisApixaban19suppressed
Oxycodone HclOxycodone Hcl19suppressed
Fluticasone PropionateFluticasone Propionate18suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen18suppressed
Metformin Hcl ErMetformin Hcl18suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine17suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide17suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide16suppressed
Olmesartan MedoxomilOlmesartan Medoxomil16suppressed
BaclofenBaclofen15suppressed
Alendronate SodiumAlendronate Sodium14suppressed
AllopurinolAllopurinol14suppressed
MeloxicamMeloxicam14suppressed
MethocarbamolMethocarbamol13suppressed
Quetiapine FumarateQuetiapine Fumarate13suppressed
SimvastatinSimvastatin13suppressed
Bupropion XlBupropion Hcl12suppressed
KetoconazoleKetoconazole12suppressed
Pravastatin SodiumPravastatin Sodium12suppressed
SpironolactoneSpironolactone12suppressed
AzithromycinAzithromycin1111
EzetimibeEzetimibe11suppressed
FluconazoleFluconazole11suppressed
Fluoxetine HclFluoxetine Hcl11suppressed
MirtazapineMirtazapine11suppressed
Ropinirole HclRopinirole 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 $242.99 · 13 records PFIZER INC. AREXVY, ELIQUIS, EVENITY, Korlym, NURTEC ODT, Ozempic, PREVNAR 20, QULIPTA, Rybelsus, SHINGRIX, VRAYLAR, iLet Bionic Pancreas, iLet Insulin Infusion Kit Contact Detach, iLet Insulin Infusion Kit Inset 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