Healthcare provider profile · identity verified

Mark Avery Fuller, MD

General Practice · BAYFIELD, WI · NPI 1124055561

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
GabapentinGabapentin9822
Atorvastatin CalciumAtorvastatin Calcium5323
Amlodipine BesylateAmlodipine Besylate4717
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4711
Metformin HclMetformin Hcl4313
LisinoprilLisinopril3814
Metoprolol SuccinateMetoprolol Succinate3719
Albuterol Sulfate HfaAlbuterol Sulfate34suppressed
OmeprazoleOmeprazole3215
OzempicSemaglutide31suppressed
Levothyroxine SodiumLevothyroxine Sodium30suppressed
FamotidineFamotidine27suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen25suppressed
SimvastatinSimvastatin25suppressed
Potassium ChloridePotassium Chloride24suppressed
Fluticasone PropionateFluticasone Propionate22suppressed
Novolog FlexpenInsulin Aspart22suppressed
LantusInsulin Glargine,hum.Rec.Anlog20suppressed
Morphine SulfateMorphine Sulfate20suppressed
Morphine Sulfate ErMorphine Sulfate20suppressed
Tamsulosin HclTamsulosin Hcl20suppressed
EliquisApixaban19suppressed
PrednisonePrednisone19suppressed
HydrochlorothiazideHydrochlorothiazide18suppressed
Ultra-Fine Micro Pen NeedlePen Needle, Diabetic18suppressed
Duloxetine HclDuloxetine Hcl17suppressed
Trazodone HclTrazodone Hcl17suppressed
FurosemideFurosemide16suppressed
Losartan PotassiumLosartan Potassium16suppressed
SpironolactoneSpironolactone16suppressed
XareltoRivaroxaban16suppressed
Ulticare Pen NeedlePen Needle, Diabetic14suppressed
TradjentaLinagliptin13suppressed
Zolpidem TartrateZolpidem Tartrate13suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1212
Arnuity ElliptaFluticasone Furoate12suppressed
IbuprofenIbuprofen12suppressed
LoperamideLoperamide Hcl12suppressed
Rosuvastatin CalciumRosuvastatin Calcium12suppressed
AripiprazoleAripiprazole11suppressed
Atomoxetine HclAtomoxetine Hcl11suppressed
FinasterideFinasteride11suppressed
Oxycodone HclOxycodone Hcl11suppressed
Propranolol HclPropranolol Hcl11suppressed
Quetiapine FumarateQuetiapine Fumarate11suppressed

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