Healthcare provider profile · identity verified

Mark Randall Wallace, MD

Internal Medicine · SCOTTSDALE, AZ · NPI 1932104205

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 Calcium346113
Amlodipine BesylateAmlodipine Besylate25993
Rosuvastatin CalciumRosuvastatin Calcium25987
Levothyroxine SodiumLevothyroxine Sodium23680
Losartan PotassiumLosartan Potassium20875
LisinoprilLisinopril15654
OmeprazoleOmeprazole10035
SimvastatinSimvastatin9329
Pantoprazole SodiumPantoprazole Sodium9032
HydrochlorothiazideHydrochlorothiazide8429
AllopurinolAllopurinol8024
Metformin HclMetformin Hcl7723
Tamsulosin HclTamsulosin Hcl7726
Escitalopram OxalateEscitalopram Oxalate7626
Metoprolol SuccinateMetoprolol Succinate6424
GabapentinGabapentin5725
EliquisApixaban5416
Metformin Hcl ErMetformin Hcl4916
SynthroidLevothyroxine Sodium4814
Sertraline HclSertraline Hcl4615
Duloxetine HclDuloxetine Hcl4213
AlprazolamAlprazolam3915
Metoprolol TartrateMetoprolol Tartrate3912
Trazodone HclTrazodone Hcl3615
Zolpidem TartrateZolpidem Tartrate3621
Montelukast SodiumMontelukast Sodium34suppressed
PregabalinPregabalin3213
FinasterideFinasteride31suppressed
Fluticasone PropionateFluticasone Propionate3113
Pravastatin SodiumPravastatin Sodium31suppressed
Bupropion XlBupropion Hcl3011
EzetimibeEzetimibe28suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen28suppressed
ValacyclovirValacyclovir Hcl2812
Alendronate SodiumAlendronate Sodium27suppressed
Alfuzosin Hcl ErAlfuzosin Hcl27suppressed
Gavilyte-GPeg3350/Sod Sulf,bicarb,cl/Kcl2626
Tramadol HclTramadol Hcl25suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid2511
Albuterol Sulfate HfaAlbuterol Sulfate2412
Breo ElliptaFluticasone/Vilanterol22suppressed
MounjaroTirzepatide22suppressed
SpironolactoneSpironolactone22suppressed
Potassium ChloridePotassium Chloride21suppressed
AcyclovirAcyclovir20suppressed
OzempicSemaglutide19suppressed
Citalopram HbrCitalopram Hydrobromide18suppressed
FamotidineFamotidine18suppressed
FurosemideFurosemide18suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog18suppressed
PrednisonePrednisone1814
CarvedilolCarvedilol17suppressed
ChlorthalidoneChlorthalidone17suppressed
EstradiolEstradiol17suppressed
GlimepirideGlimepiride17suppressed
TorsemideTorsemide17suppressed
AtenololAtenolol16suppressed
Propranolol HclPropranolol Hcl16suppressed
Warfarin SodiumWarfarin Sodium16suppressed
MirtazapineMirtazapine15suppressed
Oxycodone HclOxycodone Hcl15suppressed
XareltoRivaroxaban15suppressed
Humalog Kwikpen U-100Insulin Lispro14suppressed
HydrocortisoneHydrocortisone14suppressed
Ipratropium BromideIpratropium Bromide13suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen13suppressed
Ultra-Fine Short Pen NeedlePen Needle, Diabetic13suppressed
Venlafaxine Hcl ErVenlafaxine Hcl13suppressed
EplerenoneEplerenone12suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide12suppressed
PaxlovidNirmatrelvir/Ritonavir1212
CelecoxibCelecoxib11suppressed
ClopidogrelClopidogrel Bisulfate11suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl11suppressed
IbuprofenIbuprofen11suppressed
JardianceEmpagliflozin11suppressed
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