Healthcare provider profile · identity verified

David Anderla, MD

Family Practice · APPLETON, WI · NPI 1750318523

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 Calcium388106
Amlodipine BesylateAmlodipine Besylate27877
Levothyroxine SodiumLevothyroxine Sodium27665
LisinoprilLisinopril19851
OmeprazoleOmeprazole17550
Rosuvastatin CalciumRosuvastatin Calcium14736
Losartan PotassiumLosartan Potassium14544
Metoprolol SuccinateMetoprolol Succinate12935
FurosemideFurosemide12826
HydrochlorothiazideHydrochlorothiazide10935
SimvastatinSimvastatin10226
Metoprolol TartrateMetoprolol Tartrate8422
Pravastatin SodiumPravastatin Sodium7619
Sertraline HclSertraline Hcl7523
SpironolactoneSpironolactone7117
JardianceEmpagliflozin6919
Tamsulosin HclTamsulosin Hcl6824
Metformin Hcl ErMetformin Hcl6722
Metformin HclMetformin Hcl6619
EliquisApixaban5822
Fluoxetine HclFluoxetine Hcl5812
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide5713
Warfarin SodiumWarfarin Sodium5711
AllopurinolAllopurinol5616
FamotidineFamotidine5513
Alendronate SodiumAlendronate Sodium5416
LovastatinLovastatin5414
MeloxicamMeloxicam5123
Doxazosin MesylateDoxazosin Mesylate48suppressed
Triamcinolone AcetonideTriamcinolone Acetonide4831
CarvedilolCarvedilol4711
MirtazapineMirtazapine4611
Albuterol Sulfate HfaAlbuterol Sulfate4530
Fluticasone PropionateFluticasone Propionate4517
Donepezil HclDonepezil Hcl4411
Escitalopram OxalateEscitalopram Oxalate44suppressed
Citalopram HbrCitalopram Hydrobromide4313
GlimepirideGlimepiride4013
Potassium ChloridePotassium Chloride39suppressed
PrednisonePrednisone3727
AtenololAtenolol36suppressed
Memantine HclMemantine Hcl36suppressed
Tramadol HclTramadol Hcl3511
AlprazolamAlprazolam31suppressed
Buspirone HclBuspirone Hcl29suppressed
Duloxetine HclDuloxetine Hcl28suppressed
GabapentinGabapentin2813
ChlorthalidoneChlorthalidone27suppressed
ClonazepamClonazepam27suppressed
Montelukast SodiumMontelukast Sodium26suppressed
KetoconazoleKetoconazole2415
Oxybutynin ChlorideOxybutynin Chloride24suppressed
ClopidogrelClopidogrel Bisulfate23suppressed
Fosinopril SodiumFosinopril Sodium23suppressed
Trazodone HclTrazodone Hcl23suppressed
Benazepril HclBenazepril Hcl22suppressed
Pantoprazole SodiumPantoprazole Sodium22suppressed
Quetiapine FumarateQuetiapine Fumarate22suppressed
Nortriptyline HclNortriptyline Hcl21suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl21suppressed
Bupropion Hcl SrBupropion Hcl20suppressed
PregabalinPregabalin20suppressed
CelecoxibCelecoxib18suppressed
CephalexinCephalexin1715
Olmesartan MedoxomilOlmesartan Medoxomil16suppressed
Venlafaxine Hcl ErVenlafaxine Hcl16suppressed
DiazepamDiazepam15suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1515
FinasterideFinasteride14suppressed
Glipizide ErGlipizide14suppressed
Paroxetine HclParoxetine Hcl14suppressed
Propranolol HclPropranolol Hcl14suppressed
TemazepamTemazepam14suppressed
AripiprazoleAripiprazole13suppressed
Benztropine MesylateBenztropine Mesylate13suppressed
FenofibrateFenofibrate13suppressed
Ipratropium BromideIpratropium Bromide13suppressed
OzempicSemaglutide13suppressed
DesloratadineDesloratadine12suppressed
Doxycycline HyclateDoxycycline Hyclate1211
EzetimibeEzetimibe12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid12suppressed
TrulicityDulaglutide12suppressed
AcyclovirAcyclovir11suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1111
DigoxinDigoxin11suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11suppressed
LorazepamLorazepam11suppressed

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