Healthcare provider profile · identity verified

Brent E Rathbun, M.D.

Internal Medicine · DEL MAR, CA · NPI 1720091697

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 Calcium21969
Rosuvastatin CalciumRosuvastatin Calcium21370
LisinoprilLisinopril12641
Levothyroxine SodiumLevothyroxine Sodium11737
Metoprolol SuccinateMetoprolol Succinate9136
Metformin HclMetformin Hcl8330
GabapentinGabapentin8134
Zolpidem TartrateZolpidem Tartrate7518
Tamsulosin HclTamsulosin Hcl7026
Amlodipine BesylateAmlodipine Besylate6827
HydrochlorothiazideHydrochlorothiazide6621
Ibandronate SodiumIbandronate Sodium6120
FinasterideFinasteride5219
Losartan PotassiumLosartan Potassium5219
OmeprazoleOmeprazole4715
Escitalopram OxalateEscitalopram Oxalate4515
Albuterol Sulfate HfaAlbuterol Sulfate4427
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4014
AlprazolamAlprazolam3712
SynthroidLevothyroxine Sodium35suppressed
Trazodone HclTrazodone Hcl3511
Tramadol HclTramadol Hcl34suppressed
Sertraline HclSertraline Hcl3312
Metformin Hcl ErMetformin Hcl3212
Bupropion XlBupropion Hcl30suppressed
MirtazapineMirtazapine28suppressed
Duloxetine HclDuloxetine Hcl27suppressed
Desmopressin AcetateDesmopressin Acetate26suppressed
Paroxetine HclParoxetine Hcl26suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
SimvastatinSimvastatin24suppressed
EliquisApixaban23suppressed
Alendronate SodiumAlendronate Sodium22suppressed
AllopurinolAllopurinol22suppressed
AcyclovirAcyclovir21suppressed
Benazepril HclBenazepril Hcl21suppressed
Citalopram HbrCitalopram Hydrobromide21suppressed
AtenololAtenolol20suppressed
MeloxicamMeloxicam20suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2013
Fluticasone PropionateFluticasone Propionate19suppressed
JanuviaSitagliptin Phosphate19suppressed
RybelsusSemaglutide19suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide19suppressed
ClopidogrelClopidogrel Bisulfate17suppressed
EstradiolEstradiol17suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog17suppressed
MyrbetriqMirabegron17suppressed
Raloxifene HclRaloxifene Hcl17suppressed
PrednisonePrednisone1611
Testosterone CypionateTestosterone Cypionate16suppressed
FarxigaDapagliflozin Propanediol15suppressed
Memantine HclMemantine Hcl15suppressed
Metoprolol TartrateMetoprolol Tartrate15suppressed
OzempicSemaglutide15suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid15suppressed
ClonazepamClonazepam14suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen14suppressed
KetoconazoleKetoconazole14suppressed
Montelukast SodiumMontelukast Sodium14suppressed
Doxycycline HyclateDoxycycline Hyclate1313
Ondansetron OdtOndansetron13suppressed
Quetiapine FumarateQuetiapine Fumarate13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
Bupropion Hcl SrBupropion Hcl12suppressed
Doxazosin MesylateDoxazosin Mesylate12suppressed
Oxycodone HclOxycodone Hcl12suppressed
SymbicortBudesonide/Formoterol Fumarate12suppressed
Acetaminophen-CodeineAcetaminophen With Codeine11suppressed
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine11suppressed
RamiprilRamipril11suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf11suppressed

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