Healthcare provider profile · identity verified

Robert D Allen, M.D.

Family Practice · VISALIA, CA · NPI 1629074489

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 Calcium1125318
Levothyroxine SodiumLevothyroxine Sodium481127
LisinoprilLisinopril361103
Losartan PotassiumLosartan Potassium34590
Amlodipine BesylateAmlodipine Besylate31688
Metformin HclMetformin Hcl29284
HydrochlorothiazideHydrochlorothiazide24868
Tamsulosin HclTamsulosin Hcl16350
Metoprolol SuccinateMetoprolol Succinate14843
Alendronate SodiumAlendronate Sodium12840
GabapentinGabapentin12443
OmeprazoleOmeprazole12446
SimvastatinSimvastatin12234
Metformin Hcl ErMetformin Hcl12137
Montelukast SodiumMontelukast Sodium11935
Sertraline HclSertraline Hcl11130
Metoprolol TartrateMetoprolol Tartrate10724
Pantoprazole SodiumPantoprazole Sodium9726
AllopurinolAllopurinol7421
CarvedilolCarvedilol7423
Rosuvastatin CalciumRosuvastatin Calcium7124
ClopidogrelClopidogrel Bisulfate6622
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6115
FarxigaDapagliflozin Propanediol5914
MirtazapineMirtazapine5714
Pravastatin SodiumPravastatin Sodium5514
Potassium ChloridePotassium Chloride5216
RepaglinideRepaglinide5218
Fluoxetine HclFluoxetine Hcl5115
FurosemideFurosemide4615
JardianceEmpagliflozin4611
IrbesartanIrbesartan4414
Tramadol HclTramadol Hcl44suppressed
Citalopram HbrCitalopram Hydrobromide43suppressed
Donepezil HclDonepezil Hcl4113
OzempicSemaglutide3912
Pioglitazone HclPioglitazone Hcl37suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3511
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid34suppressed
EliquisApixaban32suppressed
Ropinirole HclRopinirole Hcl32suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide32suppressed
Benazepril HclBenazepril Hcl31suppressed
CelecoxibCelecoxib31suppressed
Duloxetine HclDuloxetine Hcl31suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3111
Triamcinolone AcetonideTriamcinolone Acetonide3119
ValsartanValsartan31suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3019
Venlafaxine Hcl ErVenlafaxine Hcl30suppressed
ValacyclovirValacyclovir Hcl2911
Escitalopram OxalateEscitalopram Oxalate28suppressed
EzetimibeEzetimibe27suppressed
Fluticasone PropionateFluticasone Propionate2713
Memantine HclMemantine Hcl27suppressed
AtenololAtenolol26suppressed
SynthroidLevothyroxine Sodium26suppressed
Dicyclomine HclDicyclomine Hcl25suppressed
FamotidineFamotidine25suppressed
AlprazolamAlprazolam23suppressed
MyrbetriqMirabegron23suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl22suppressed
Azelastine HclAzelastine Hcl21suppressed
Diclofenac SodiumDiclofenac Sodium21suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen20suppressed
Droplet Pen NeedlePen Needle, Diabetic19suppressed
Hydroxyzine HclHydroxyzine Hcl19suppressed
Irbesartan-HydrochlorothiazideIrbesartan/Hydrochlorothiazide19suppressed
Sildenafil CitrateSildenafil Citrate19suppressed
Amitriptyline HclAmitriptyline Hcl18suppressed
GlimepirideGlimepiride18suppressed
Glipizide ErGlipizide18suppressed
Trazodone HclTrazodone Hcl18suppressed
Ipratropium BromideIpratropium Bromide17suppressed
Nebivolol HclNebivolol Hcl17suppressed
Propranolol HclPropranolol Hcl17suppressed
Dropsafe Prep PadsAlcohol Antiseptic Pads16suppressed
GlipizideGlipizide16suppressed
Tizanidine HclTizanidine Hcl16suppressed
FinasterideFinasteride15suppressed
Terazosin HclTerazosin Hcl15suppressed
Enalapril MaleateEnalapril Maleate14suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol14suppressed
JanumetSitagliptin Phos/Metformin Hcl14suppressed
LevetiracetamLevetiracetam13suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim13suppressed
Buspirone HclBuspirone Hcl12suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip12suppressed
Tresiba Flextouch U-100Insulin Degludec12suppressed
Bupropion XlBupropion Hcl11suppressed
LactuloseLactulose11suppressed
Nifedipine ErNifedipine11suppressed
Omega-3 Acid Ethyl EstersOmega-3 Acid Ethyl Esters11suppressed
Ondansetron HclOndansetron Hcl11suppressed
UrsodiolUrsodiol11suppressed
Ventolin HfaAlbuterol Sulfate11suppressed
Wixela InhubFluticasone Propion/Salmeterol11suppressed

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