Healthcare provider profile · identity verified

Mark Floyd Adderley, D.O.

Physical Medicine and Rehabilitation · FESTUS, MO · NPI 1114149903

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
Amlodipine BesylateAmlodipine Besylate31119
Pantoprazole SodiumPantoprazole Sodium31014
Atorvastatin CalciumAtorvastatin Calcium26514
Levothyroxine SodiumLevothyroxine Sodium25211
Tamsulosin HclTamsulosin Hcl23714
CarvedilolCarvedilol233suppressed
GabapentinGabapentin19411
Metoprolol TartrateMetoprolol Tartrate18811
Duloxetine HclDuloxetine Hcl185suppressed
Trazodone HclTrazodone Hcl172suppressed
Oxybutynin Chloride ErOxybutynin Chloride163suppressed
Sertraline HclSertraline Hcl16214
EliquisApixaban16011
LisinoprilLisinopril152suppressed
FurosemideFurosemide144suppressed
SimvastatinSimvastatin137suppressed
ClopidogrelClopidogrel Bisulfate111suppressed
SpironolactoneSpironolactone109suppressed
Potassium ChloridePotassium Chloride95suppressed
LevetiracetamLevetiracetam87suppressed
MirtazapineMirtazapine85suppressed
TorsemideTorsemide83suppressed
Montelukast SodiumMontelukast Sodium82suppressed
Metoprolol SuccinateMetoprolol Succinate78suppressed
LamotrigineLamotrigine75suppressed
Hydralazine HclHydralazine Hcl73suppressed
Bethanechol ChlorideBethanechol Chloride68suppressed
Isosorbide DinitrateIsosorbide Dinitrate66suppressed
MyrbetriqMirabegron65suppressed
Venlafaxine Hcl ErVenlafaxine Hcl64suppressed
HydrochlorothiazideHydrochlorothiazide63suppressed
Buspirone HclBuspirone Hcl61suppressed
Citalopram HbrCitalopram Hydrobromide61suppressed
Escitalopram OxalateEscitalopram Oxalate56suppressed
GlycopyrrolateGlycopyrrolate56suppressed
NuedextaDextromethorphan Hbr/Quinidine56suppressed
Ropinirole HclRopinirole Hcl56suppressed
EzetimibeEzetimibe52suppressed
Lurasidone HclLurasidone Hcl52suppressed
TopiramateTopiramate52suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid52suppressed
GlipizideGlipizide49suppressed
Ziprasidone HclZiprasidone Hcl47suppressed
Fluoxetine HclFluoxetine Hcl45suppressed
Memantine HclMemantine Hcl45suppressed
RisperidoneRisperidone45suppressed
Benztropine MesylateBenztropine Mesylate44suppressed
JanuviaSitagliptin Phosphate42suppressed
Carbidopa-LevodopaCarbidopa/Levodopa41suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl41suppressed
Autoshield Duo Pen NeedlePen Needle,dual Safety,diabetc40suppressed
Losartan PotassiumLosartan Potassium40suppressed
Carbamazepine ErCarbamazepine37suppressed
Donepezil HclDonepezil Hcl34suppressed
FinasterideFinasteride34suppressed
Synjardy XrEmpagliflozin/Metformin Hcl34suppressed
Triamcinolone AcetonideTriamcinolone Acetonide34suppressed
XareltoRivaroxaban32suppressed
Divalproex SodiumDivalproex Sodium31suppressed
Oxycodone HclOxycodone Hcl31suppressed
Bupropion XlBupropion Hcl30suppressed
GemtesaVibegron30suppressed
Metformin HclMetformin Hcl30suppressed
LumiganBimatoprost29suppressed
OzempicSemaglutide25suppressed
SantylCollagenase Clostridium Hist.24suppressed
Tramadol HclTramadol Hcl24suppressed
Metformin Hcl ErMetformin Hcl23suppressed
Alendronate SodiumAlendronate Sodium22suppressed
Rosuvastatin CalciumRosuvastatin Calcium22suppressed
Pravastatin SodiumPravastatin Sodium21suppressed
AlprazolamAlprazolam20suppressed
ClonazepamClonazepam20suppressed
EntrestoSacubitril/Valsartan19suppressed
LorazepamLorazepam19suppressed
KetoconazoleKetoconazole16suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog16suppressed
Phenytoin Sodium ExtendedPhenytoin Sodium Extended16suppressed
RivastigmineRivastigmine Tartrate16suppressed
Tizanidine HclTizanidine Hcl16suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
OlanzapineOlanzapine15suppressed
BumetanideBumetanide14suppressed
Midodrine HclMidodrine Hcl14suppressed
MupirocinMupirocin14suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate13suppressed
Fludrocortisone AcetateFludrocortisone Acetate13suppressed
Morphine Sulfate ErMorphine Sulfate13suppressed
Oxybutynin ChlorideOxybutynin Chloride13suppressed
EntacaponeEntacapone12suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate12suppressed
JardianceEmpagliflozin12suppressed
LeflunomideLeflunomide12suppressed
MethotrexateMethotrexate Sodium12suppressed
RivastigmineRivastigmine12suppressed
MeloxicamMeloxicam11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed
TerconazoleTerconazole11suppressed
Tresiba Flextouch U-100Insulin Degludec11suppressed

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