Healthcare provider profile · identity verified

Christopher M B Wallis, PA-C

Physician Assistant · LEBANON, OR · NPI 1891866513

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 Calcium32794
LisinoprilLisinopril22867
Levothyroxine SodiumLevothyroxine Sodium19057
Amlodipine BesylateAmlodipine Besylate18653
Losartan PotassiumLosartan Potassium17563
OmeprazoleOmeprazole17556
GabapentinGabapentin15139
Tamsulosin HclTamsulosin Hcl14244
FurosemideFurosemide13639
Metoprolol SuccinateMetoprolol Succinate12136
Trazodone HclTrazodone Hcl11234
Pantoprazole SodiumPantoprazole Sodium10526
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10249
HydrochlorothiazideHydrochlorothiazide8328
Rosuvastatin CalciumRosuvastatin Calcium7724
Metformin Hcl ErMetformin Hcl7428
Metformin HclMetformin Hcl7224
GlipizideGlipizide6922
SimvastatinSimvastatin6914
Potassium ChloridePotassium Chloride6321
Albuterol Sulfate HfaAlbuterol Sulfate6224
OlanzapineOlanzapine6213
MeloxicamMeloxicam6135
AzithromycinAzithromycin5241
CarvedilolCarvedilol5212
Montelukast SodiumMontelukast Sodium5117
Escitalopram OxalateEscitalopram Oxalate4920
PregabalinPregabalin4719
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen4512
AllopurinolAllopurinol4413
AripiprazoleAripiprazole4414
EzetimibeEzetimibe4312
Methadone HclMethadone Hcl43suppressed
Pravastatin SodiumPravastatin Sodium4312
EliquisApixaban4114
Nebivolol HclNebivolol Hcl41suppressed
Duloxetine HclDuloxetine Hcl3915
Oxycodone HclOxycodone Hcl39suppressed
OzempicSemaglutide3911
SpironolactoneSpironolactone3911
RisperidoneRisperidone37suppressed
LevetiracetamLevetiracetam34suppressed
Ropinirole HclRopinirole Hcl34suppressed
CephalexinCephalexin3325
PrednisonePrednisone3317
FamotidineFamotidine32suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl32suppressed
Sertraline HclSertraline Hcl3213
Memantine HclMemantine Hcl31suppressed
Tramadol HclTramadol Hcl31suppressed
Fluticasone PropionateFluticasone Propionate30suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog30suppressed
Quetiapine FumarateQuetiapine Fumarate3013
Fluoxetine HclFluoxetine Hcl27suppressed
Metoprolol TartrateMetoprolol Tartrate2711
AtenololAtenolol26suppressed
Terbinafine HclTerbinafine Hcl26suppressed
Ventolin HfaAlbuterol Sulfate2612
Alendronate SodiumAlendronate Sodium25suppressed
Citalopram HbrCitalopram Hydrobromide25suppressed
Dicyclomine HclDicyclomine Hcl25suppressed
CelecoxibCelecoxib2412
LamotrigineLamotrigine24suppressed
Breo ElliptaFluticasone/Vilanterol23suppressed
Clonidine HclClonidine Hcl23suppressed
Glipizide ErGlipizide23suppressed
JardianceEmpagliflozin23suppressed
LorazepamLorazepam23suppressed
MirtazapineMirtazapine23suppressed
Bupropion Hcl SrBupropion Hcl21suppressed
Hydroxyzine HclHydroxyzine Hcl21suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2116
SynthroidLevothyroxine Sodium21suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2115
Ondansetron OdtOndansetron2012
Cyclobenzaprine HclCyclobenzaprine Hcl19suppressed
MethylprednisoloneMethylprednisolone1914
TopiramateTopiramate19suppressed
Benztropine MesylateBenztropine Mesylate18suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid18suppressed
LovastatinLovastatin17suppressed
NaproxenNaproxen17suppressed
Nortriptyline HclNortriptyline Hcl17suppressed
OxcarbazepineOxcarbazepine17suppressed
DutasterideDutasteride16suppressed
IbuprofenIbuprofen16suppressed
MethocarbamolMethocarbamol16suppressed
NystatinNystatin16suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1512
ChlorthalidoneChlorthalidone15suppressed
EstradiolEstradiol15suppressed
Hydromorphone HclHydromorphone Hcl15suppressed
Trelegy ElliptaFluticasone/Umeclidin/Vilanter15suppressed
FenofibrateFenofibrate14suppressed
Propranolol Hcl ErPropranolol Hcl14suppressed
Combivent RespimatIpratropium/Albuterol Sulfate13suppressed
Donepezil HclDonepezil Hcl13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
Advair HfaFluticasone Propion/Salmeterol12suppressed
Amitriptyline HclAmitriptyline Hcl12suppressed
BaclofenBaclofen12suppressed
Doxazosin MesylateDoxazosin Mesylate12suppressed
FinasterideFinasteride12suppressed
LetrozoleLetrozole12suppressed
Meclizine HclMeclizine Hcl12suppressed
RivastigmineRivastigmine12suppressed
ValsartanValsartan12suppressed
Warfarin SodiumWarfarin Sodium12suppressed
Bupropion XlBupropion Hcl11suppressed
ClopidogrelClopidogrel Bisulfate11suppressed
ColchicineColchicine11suppressed
DiazepamDiazepam11suppressed
FluconazoleFluconazole11suppressed
LactuloseLactulose11suppressed
Tizanidine HclTizanidine Hcl11suppressed
Venlafaxine Hcl ErVenlafaxine Hcl11suppressed
Zolpidem TartrateZolpidem Tartrate11suppressed

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