Healthcare provider profile · identity verified

Robin Wempe, PA

Physician Assistant · VALLEJO, CA · NPI 1750568721

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
LisinoprilLisinopril14237
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11621
Atorvastatin CalciumAtorvastatin Calcium9832
Amlodipine BesylateAmlodipine Besylate9028
Metformin HclMetformin Hcl7722
GabapentinGabapentin7120
SimvastatinSimvastatin6920
OmeprazoleOmeprazole6020
Trazodone HclTrazodone Hcl6017
Levothyroxine SodiumLevothyroxine Sodium5815
Fluticasone PropionateFluticasone Propionate4916
IbuprofenIbuprofen4316
Losartan PotassiumLosartan Potassium4017
HydrochlorothiazideHydrochlorothiazide3813
CarvedilolCarvedilol37suppressed
Montelukast SodiumMontelukast Sodium35suppressed
AlprazolamAlprazolam34suppressed
Duloxetine HclDuloxetine Hcl34suppressed
FamotidineFamotidine3411
Metoprolol SuccinateMetoprolol Succinate34suppressed
Amitriptyline HclAmitriptyline Hcl3311
Pantoprazole SodiumPantoprazole Sodium33suppressed
Tamsulosin HclTamsulosin Hcl33suppressed
Metoprolol TartrateMetoprolol Tartrate32suppressed
JardianceEmpagliflozin3113
Oxybutynin Chloride ErOxybutynin Chloride3111
Propranolol HclPropranolol Hcl30suppressed
AtenololAtenolol2811
FurosemideFurosemide2711
GlipizideGlipizide26suppressed
Albuterol Sulfate HfaAlbuterol Sulfate25suppressed
Hydralazine HclHydralazine Hcl24suppressed
Sertraline HclSertraline Hcl24suppressed
Alendronate SodiumAlendronate Sodium22suppressed
Fluoxetine HclFluoxetine Hcl21suppressed
TrulicityDulaglutide20suppressed
ClopidogrelClopidogrel Bisulfate19suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog19suppressed
XareltoRivaroxaban19suppressed
ClonazepamClonazepam18suppressed
Humulin RInsulin Regular, Human18suppressed
Bupropion XlBupropion Hcl17suppressed
Divalproex SodiumDivalproex Sodium17suppressed
DiazepamDiazepam15suppressed
OzempicSemaglutide15suppressed
Warfarin SodiumWarfarin Sodium15suppressed
Zolpidem TartrateZolpidem Tartrate15suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
LorazepamLorazepam14suppressed
Nortriptyline HclNortriptyline Hcl14suppressed
FenofibrateFenofibrate13suppressed
Diclofenac SodiumDiclofenac Sodium12suppressed
Dicyclomine HclDicyclomine Hcl12suppressed
LovastatinLovastatin12suppressed
Naloxone HclNaloxone Hcl12suppressed
Paroxetine HclParoxetine Hcl12suppressed
PrednisonePrednisone1212
Tramadol HclTramadol Hcl12suppressed
Hydroxyzine HclHydroxyzine Hcl11suppressed
Qvar RedihalerBeclomethasone Dipropionate11suppressed
TopiramateTopiramate11suppressed
Triamcinolone AcetonideTriamcinolone Acetonide11suppressed

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