Healthcare provider profile · identity verified

Devin Arthur Oller, MD

Internal Medicine · SAN FRANCISCO, CA · NPI 1023351897

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 Calcium17960
GabapentinGabapentin11123
LisinoprilLisinopril7324
OmeprazoleOmeprazole6621
Tamsulosin HclTamsulosin Hcl5418
Levothyroxine SodiumLevothyroxine Sodium5317
Amlodipine BesylateAmlodipine Besylate4219
Losartan PotassiumLosartan Potassium4016
PregabalinPregabalin40suppressed
Pantoprazole SodiumPantoprazole Sodium3716
CarvedilolCarvedilol35suppressed
Trazodone HclTrazodone Hcl33suppressed
HydrochlorothiazideHydrochlorothiazide3212
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide3212
Metformin HclMetformin Hcl3111
SimvastatinSimvastatin31suppressed
Oxycodone HclOxycodone Hcl30suppressed
AllopurinolAllopurinol29suppressed
Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl29suppressed
Escitalopram OxalateEscitalopram Oxalate28suppressed
Rosuvastatin CalciumRosuvastatin Calcium28suppressed
FamotidineFamotidine27suppressed
Albuterol Sulfate HfaAlbuterol Sulfate26suppressed
FinasterideFinasteride25suppressed
Metoprolol SuccinateMetoprolol Succinate25suppressed
FurosemideFurosemide24suppressed
ClonazepamClonazepam22suppressed
Venlafaxine Hcl ErVenlafaxine Hcl22suppressed
IbuprofenIbuprofen20suppressed
Ondansetron OdtOndansetron20suppressed
Quetiapine FumarateQuetiapine Fumarate19suppressed
ValsartanValsartan19suppressed
AtenololAtenolol17suppressed
Fluticasone PropionateFluticasone Propionate17suppressed
Potassium ChloridePotassium Chloride17suppressed
SpironolactoneSpironolactone17suppressed
Methadone HclMethadone Hcl16suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol15suppressed
Montelukast SodiumMontelukast Sodium15suppressed
Amitriptyline HclAmitriptyline Hcl14suppressed
Duloxetine HclDuloxetine Hcl14suppressed
FarxigaDapagliflozin Propanediol14suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium13suppressed
Pravastatin SodiumPravastatin Sodium13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide13suppressed
Vitamin D2Ergocalciferol (Vitamin D2)13suppressed
JardianceEmpagliflozin12suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride12suppressed
Metoprolol TartrateMetoprolol Tartrate12suppressed
MounjaroTirzepatide12suppressed
Nifedipine ErNifedipine12suppressed
SynthroidLevothyroxine Sodium12suppressed
Breo ElliptaFluticasone/Vilanterol11suppressed
Buspirone HclBuspirone Hcl11suppressed
OzempicSemaglutide11suppressed
Sertraline HclSertraline Hcl11suppressed
Tizanidine HclTizanidine 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