Healthcare provider profile · identity verified

James Larsen, M.D.

Hospitalist · LOMA LINDA, CA · NPI 1760403547

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 Calcium316113
Amlodipine BesylateAmlodipine Besylate22475
Losartan PotassiumLosartan Potassium17257
OmeprazoleOmeprazole15655
Levothyroxine SodiumLevothyroxine Sodium13546
LisinoprilLisinopril12945
HydrochlorothiazideHydrochlorothiazide12042
Sertraline HclSertraline Hcl10937
Metoprolol SuccinateMetoprolol Succinate10238
Metformin HclMetformin Hcl9435
GabapentinGabapentin7633
Pantoprazole SodiumPantoprazole Sodium7629
FurosemideFurosemide7425
Tamsulosin HclTamsulosin Hcl7122
SimvastatinSimvastatin7022
Potassium ChloridePotassium Chloride6621
Fluticasone PropionateFluticasone Propionate6126
EliquisApixaban5322
Albuterol Sulfate HfaAlbuterol Sulfate5126
Trazodone HclTrazodone Hcl4814
Diclofenac SodiumDiclofenac Sodium4622
Metoprolol TartrateMetoprolol Tartrate4616
AllopurinolAllopurinol4314
Alendronate SodiumAlendronate Sodium3913
Benazepril HclBenazepril Hcl3914
AtenololAtenolol3712
CarvedilolCarvedilol3715
ClopidogrelClopidogrel Bisulfate3614
Rosuvastatin CalciumRosuvastatin Calcium3615
IbuprofenIbuprofen3318
Donepezil HclDonepezil Hcl3211
MirtazapineMirtazapine27suppressed
FinasterideFinasteride26suppressed
Pravastatin SodiumPravastatin Sodium2612
Quetiapine FumarateQuetiapine Fumarate26suppressed
JardianceEmpagliflozin25suppressed
GlipizideGlipizide24suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog2311
Oxybutynin ChlorideOxybutynin Chloride23suppressed
OzempicSemaglutide23suppressed
Pioglitazone HclPioglitazone Hcl23suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen22suppressed
Hydroxyzine HclHydroxyzine Hcl2211
JanuviaSitagliptin Phosphate22suppressed
MeloxicamMeloxicam20suppressed
CephalexinCephalexin1712
Nifedipine ErNifedipine17suppressed
NitroglycerinNitroglycerin1711
ValsartanValsartan17suppressed
XareltoRivaroxaban17suppressed
AzithromycinAzithromycin1614
Escitalopram OxalateEscitalopram Oxalate16suppressed
EstradiolEstradiol16suppressed
FamotidineFamotidine16suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic16suppressed
Toujeo SolostarInsulin Glargine,hum.Rec.Anlog16suppressed
Triamcinolone AcetonideTriamcinolone Acetonide1613
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
SynthroidLevothyroxine Sodium15suppressed
TelmisartanTelmisartan15suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
Zolpidem TartrateZolpidem Tartrate14suppressed
Citalopram HbrCitalopram Hydrobromide13suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide13suppressed
ClonazepamClonazepam12suppressed
Montelukast SodiumMontelukast Sodium12suppressed
Hydralazine HclHydralazine Hcl11suppressed
KetoconazoleKetoconazole11suppressed
LovastatinLovastatin11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
RamiprilRamipril11suppressed
Venlafaxine Hcl ErVenlafaxine 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