Healthcare provider profile · identity verified

Rowena Guevarra Javier, MD

Internal Medicine · BELLFLOWER, CA · NPI 1366513285

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
Amlodipine BesylateAmlodipine Besylate438141
Atorvastatin CalciumAtorvastatin Calcium387126
Losartan PotassiumLosartan Potassium372121
Rosuvastatin CalciumRosuvastatin Calcium28192
SimvastatinSimvastatin19763
Levothyroxine SodiumLevothyroxine Sodium16650
HydrochlorothiazideHydrochlorothiazide15352
Metformin HclMetformin Hcl14749
AllopurinolAllopurinol13646
GlipizideGlipizide13549
OmeprazoleOmeprazole13553
AtenololAtenolol12141
Metoprolol TartrateMetoprolol Tartrate11638
LisinoprilLisinopril10036
Potassium ChloridePotassium Chloride9434
GabapentinGabapentin8832
JardianceEmpagliflozin8629
Alendronate SodiumAlendronate Sodium8330
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7526
Humulin RInsulin Regular, Human6718
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen60suppressed
Bisoprolol FumarateBisoprolol Fumarate5820
FurosemideFurosemide5825
Humulin N KwikpenInsulin Nph Human Isophane5419
MeloxicamMeloxicam4920
Humulin NInsulin Nph Human Isophane4512
Nano 2nd Gen Pen NeedlePen Needle, Diabetic4519
EzetimibeEzetimibe4413
SpironolactoneSpironolactone4417
Metformin Hcl ErMetformin Hcl4317
Albuterol Sulfate HfaAlbuterol Sulfate4224
Montelukast SodiumMontelukast Sodium3711
IbuprofenIbuprofen3617
Tamsulosin HclTamsulosin Hcl3513
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml3413
Glipizide ErGlipizide3212
PradaxaDabigatran Etexilate Mesylate3213
Hydralazine HclHydralazine Hcl28suppressed
LovastatinLovastatin27suppressed
Terazosin HclTerazosin Hcl27suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate26suppressed
LactuloseLactulose26suppressed
Pantoprazole SodiumPantoprazole Sodium2611
OzempicSemaglutide25suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2517
MirtazapineMirtazapine2413
AlvescoCiclesonide2312
Fluticasone PropionateFluticasone Propionate22suppressed
Paroxetine HclParoxetine Hcl22suppressed
Trazodone HclTrazodone Hcl22suppressed
Wixela InhubFluticasone Propion/Salmeterol22suppressed
FamotidineFamotidine21suppressed
EliquisApixaban20suppressed
ClopidogrelClopidogrel Bisulfate19suppressed
Pravastatin SodiumPravastatin Sodium19suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid19suppressed
Duloxetine HclDuloxetine Hcl18suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn18suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml18suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1616
ChlorthalidoneChlorthalidone16suppressed
Fluoxetine HclFluoxetine Hcl15suppressed
NitroglycerinNitroglycerin15suppressed
AlprazolamAlprazolam14suppressed
NaproxenNaproxen14suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl13suppressed
CarvedilolCarvedilol11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
NystatinNystatin11suppressed

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