Healthcare provider profile · identity verified

Da Som Choi

Nurse Practitioner · MODESTO, CA · NPI 1407484058

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 Calcium13239
GabapentinGabapentin8327
Metformin HclMetformin Hcl8325
Amlodipine BesylateAmlodipine Besylate7329
Levothyroxine SodiumLevothyroxine Sodium6924
LisinoprilLisinopril5920
FurosemideFurosemide5417
Losartan PotassiumLosartan Potassium5418
Donepezil HclDonepezil Hcl5318
ClopidogrelClopidogrel Bisulfate42suppressed
CarvedilolCarvedilol4112
OmeprazoleOmeprazole4117
Pantoprazole SodiumPantoprazole Sodium4112
FamotidineFamotidine40suppressed
Metoprolol SuccinateMetoprolol Succinate3911
Albuterol Sulfate HfaAlbuterol Sulfate3823
Rosuvastatin CalciumRosuvastatin Calcium3611
Trazodone HclTrazodone Hcl3011
Metoprolol TartrateMetoprolol Tartrate2911
Tamsulosin HclTamsulosin Hcl29suppressed
Diclofenac SodiumDiclofenac Sodium2713
Quetiapine FumarateQuetiapine Fumarate2711
HydrochlorothiazideHydrochlorothiazide26suppressed
Oxybutynin Chloride ErOxybutynin Chloride26suppressed
FinasterideFinasteride23suppressed
Meclizine HclMeclizine Hcl2313
Potassium ChloridePotassium Chloride22suppressed
IbuprofenIbuprofen2116
Propranolol HclPropranolol Hcl20suppressed
Buspirone HclBuspirone Hcl19suppressed
LatanoprostLatanoprost19suppressed
Escitalopram OxalateEscitalopram Oxalate18suppressed
JardianceEmpagliflozin18suppressed
LevetiracetamLevetiracetam18suppressed
Sertraline HclSertraline Hcl18suppressed
Alcohol Prep PadsAlcohol Antiseptic Pads17suppressed
Montelukast SodiumMontelukast Sodium17suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen16suppressed
EzetimibeEzetimibe14suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter14suppressed
Clonidine HclClonidine Hcl13suppressed
Ropinirole HclRopinirole Hcl13suppressed
SimvastatinSimvastatin13suppressed
SpironolactoneSpironolactone13suppressed
Tramadol HclTramadol Hcl13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
Bupropion XlBupropion Hcl12suppressed
Glipizide ErGlipizide12suppressed
TrulicityDulaglutide12suppressed
AllopurinolAllopurinol11suppressed
Fluoxetine HclFluoxetine Hcl11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
Mirabegron ErMirabegron11suppressed
NystatinNystatin11suppressed
Ondansetron HclOndansetron Hcl11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed
XareltoRivaroxaban11suppressed

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