Healthcare provider profile · identity verified

Rofina Widjaja, MD

Internal Medicine · FONTANA, CA · NPI 1851449870

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 Calcium706241
Amlodipine BesylateAmlodipine Besylate439147
Losartan PotassiumLosartan Potassium360122
LisinoprilLisinopril23582
Rosuvastatin CalciumRosuvastatin Calcium23490
Levothyroxine SodiumLevothyroxine Sodium22771
Metformin HclMetformin Hcl21172
OmeprazoleOmeprazole19885
GlipizideGlipizide19070
AtenololAtenolol18352
MeloxicamMeloxicam18280
HydrochlorothiazideHydrochlorothiazide16458
Albuterol Sulfate HfaAlbuterol Sulfate13275
SimvastatinSimvastatin13043
GabapentinGabapentin12964
PrednisonePrednisone124111
Bisoprolol FumarateBisoprolol Fumarate11647
CephalexinCephalexin115106
Metoprolol TartrateMetoprolol Tartrate11437
SpironolactoneSpironolactone10648
IbuprofenIbuprofen10447
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10323
JardianceEmpagliflozin10229
Humulin NInsulin Nph Human Isophane10129
Potassium ChloridePotassium Chloride9540
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8938
AlvescoCiclesonide8655
FurosemideFurosemide8232
Hydralazine HclHydralazine Hcl7929
Alendronate SodiumAlendronate Sodium7835
Metformin Hcl ErMetformin Hcl7230
Doxycycline MonohydrateDoxycycline Monohydrate6865
Triamcinolone AcetonideTriamcinolone Acetonide6542
Terazosin HclTerazosin Hcl6021
PradaxaDabigatran Etexilate Mesylate5918
Pantoprazole SodiumPantoprazole Sodium5420
AllopurinolAllopurinol5318
Tamsulosin HclTamsulosin Hcl5321
Fluoxetine HclFluoxetine Hcl5019
AcarboseAcarbose4616
AzithromycinAzithromycin4645
ClopidogrelClopidogrel Bisulfate4616
Humulin RInsulin Regular, Human4615
PaxlovidNirmatrelvir/Ritonavir4545
Trazodone HclTrazodone Hcl4119
Veo Insulin SyringeSyringe And Needle,insulin,1ml3815
BreynaBudesonide/Formoterol Fumarate3724
Ciprofloxacin HclCiprofloxacin Hcl3734
AbrysvoRsv Vacc, Pref A And Pref B/Pf3535
Pravastatin SodiumPravastatin Sodium3511
LactuloseLactulose3423
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf3333
Sertraline HclSertraline Hcl3313
FluconazoleFluconazole3231
ColchicineColchicine3112
FinasterideFinasteride31suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid3112
Azelastine HclAzelastine Hcl3014
NystatinNystatin30suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil2929
EzetimibeEzetimibe2912
Montelukast SodiumMontelukast Sodium29suppressed
Spiriva RespimatTiotropium Bromide29suppressed
Tramadol HclTramadol Hcl28suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml2811
Ondansetron HclOndansetron Hcl2714
AmoxicillinAmoxicillin2624
Insulin Glargine-YfgnInsulin Glargine-Yfgn25suppressed
CarvedilolCarvedilol24suppressed
Clobetasol PropionateClobetasol Propionate2417
FamotidineFamotidine2412
Fluticasone PropionateFluticasone Propionate24suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
TopiramateTopiramate2312
HydrocortisoneHydrocortisone2219
Oxybutynin Chloride ErOxybutynin Chloride22suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate21suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2019
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1918
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1918
Veo Insulin SyringeSyrge-Ndl,ins 0.3 Ml Half Mark19suppressed
Acetaminophen-CodeineAcetaminophen With Codeine18suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl18suppressed
Metoprolol SuccinateMetoprolol Succinate18suppressed
NaproxenNaproxen18suppressed
Humulin N KwikpenInsulin Nph Human Isophane17suppressed
MetronidazoleMetronidazole1715
PregabalinPregabalin17suppressed
Verapamil ErVerapamil Hcl17suppressed
Clonidine HclClonidine Hcl16suppressed
FenofibrateFenofibrate16suppressed
Naloxone HclNaloxone Hcl1616
Warfarin SodiumWarfarin Sodium16suppressed
Diltiazem HclDiltiazem Hcl15suppressed
LorazepamLorazepam15suppressed
Neomycin-Polymyxin-DexamethNeomycin/Polymyxin B/Dexametha1515
OzempicSemaglutide15suppressed
AcyclovirAcyclovir14suppressed
EliquisApixaban14suppressed
PrimidonePrimidone14suppressed
Buspirone HclBuspirone Hcl13suppressed
Nortriptyline HclNortriptyline Hcl13suppressed
TradjentaLinagliptin13suppressed
Wixela InhubFluticasone Propion/Salmeterol13suppressed
XareltoRivaroxaban13suppressed
Cartia XtDiltiazem Hcl12suppressed
EstradiolEstradiol12suppressed
MirtazapineMirtazapine12suppressed
Propranolol HclPropranolol Hcl12suppressed
Colestipol HclColestipol Hcl11suppressed
Duloxetine HclDuloxetine Hcl11suppressed
Glipizide ErGlipizide11suppressed
HumalogInsulin Lispro11suppressed
LovastatinLovastatin11suppressed
MupirocinMupirocin11suppressed
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