Healthcare provider profile · identity verified

Htun Oo, MD

Internal Medicine · STOCKTON, CA · NPI 1295852358

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
FurosemideFurosemide17432
Atorvastatin CalciumAtorvastatin Calcium13142
Warfarin SodiumWarfarin Sodium109suppressed
Levothyroxine SodiumLevothyroxine Sodium9115
JardianceEmpagliflozin8511
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen8320
GabapentinGabapentin7425
Amlodipine BesylateAmlodipine Besylate6923
Metoprolol TartrateMetoprolol Tartrate6820
Tamsulosin HclTamsulosin Hcl5921
Losartan PotassiumLosartan Potassium5618
Potassium ChloridePotassium Chloride5213
ClopidogrelClopidogrel Bisulfate49suppressed
EliquisApixaban47suppressed
Metformin HclMetformin Hcl46suppressed
Montelukast SodiumMontelukast Sodium46suppressed
Duloxetine HclDuloxetine Hcl45suppressed
Hydralazine HclHydralazine Hcl4416
Trazodone HclTrazodone Hcl3911
Albuterol SulfateAlbuterol Sulfate36suppressed
LisinoprilLisinopril3419
Ipratropium-AlbuterolIpratropium/Albuterol Sulfate33suppressed
Amiodarone HclAmiodarone Hcl31suppressed
Fluoxetine HclFluoxetine Hcl30suppressed
Pantoprazole SodiumPantoprazole Sodium3012
Escitalopram OxalateEscitalopram Oxalate26suppressed
GlipizideGlipizide26suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn25suppressed
Metoprolol SuccinateMetoprolol Succinate2515
Oxycodone HclOxycodone Hcl25suppressed
Betamethasone DipropionateBetamethasone Dipropionate24suppressed
Fluticasone PropionateFluticasone Propionate24suppressed
HumalogInsulin Lispro24suppressed
AllopurinolAllopurinol23suppressed
Sertraline HclSertraline Hcl23suppressed
EntrestoSacubitril/Valsartan22suppressed
Humulin RInsulin Regular, Human22suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate22suppressed
Spiriva RespimatTiotropium Bromide22suppressed
FinasterideFinasteride21suppressed
Verapamil ErVerapamil Hcl21suppressed
Humulin NInsulin Nph Human Isophane20suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl20suppressed
Wixela InhubFluticasone Propion/Salmeterol20suppressed
Albuterol Sulfate HfaAlbuterol Sulfate19suppressed
LevetiracetamLevetiracetam19suppressed
SpironolactoneSpironolactone18suppressed
SucralfateSucralfate18suppressed
Tizanidine HclTizanidine Hcl18suppressed
NuplazidPimavanserin Tartrate16suppressed
Rosuvastatin CalciumRosuvastatin Calcium16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide16suppressed
Donepezil HclDonepezil Hcl15suppressed
MirtazapineMirtazapine15suppressed
Ondansetron HclOndansetron Hcl15suppressed
Metformin Hcl ErMetformin Hcl14suppressed
Buspirone HclBuspirone Hcl13suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil13suppressed
Clonidine HclClonidine Hcl13suppressed
Enoxaparin SodiumEnoxaparin Sodium13suppressed
Pravastatin SodiumPravastatin Sodium13suppressed
Terazosin HclTerazosin Hcl13suppressed
CarbamazepineCarbamazepine12suppressed
CarvedilolCarvedilol12suppressed
Humulin N KwikpenInsulin Nph Human Isophane12suppressed
TradjentaLinagliptin12suppressed
Bisoprolol FumarateBisoprolol Fumarate11suppressed
CephalexinCephalexin11suppressed
HydrochlorothiazideHydrochlorothiazide11suppressed
Nifedipine ErNifedipine11suppressed
Verapamil HclVerapamil 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