Healthcare provider profile · identity verified

Christopher Phillip Samuels, M.D.

Family Practice · WHITE SALMON, WA · NPI 1780660175

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
Losartan PotassiumLosartan Potassium24173
Amlodipine BesylateAmlodipine Besylate18852
Atorvastatin CalciumAtorvastatin Calcium17856
OmeprazoleOmeprazole16143
Levothyroxine SodiumLevothyroxine Sodium14033
LisinoprilLisinopril13939
GabapentinGabapentin13343
Metoprolol SuccinateMetoprolol Succinate12237
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen11024
SimvastatinSimvastatin10325
Tamsulosin HclTamsulosin Hcl9028
HydrochlorothiazideHydrochlorothiazide8527
Metformin HclMetformin Hcl7620
Tramadol HclTramadol Hcl7216
Metformin Hcl ErMetformin Hcl7017
FurosemideFurosemide6521
Potassium ChloridePotassium Chloride6414
Zolpidem TartrateZolpidem Tartrate6313
Sertraline HclSertraline Hcl6220
Cyclobenzaprine HclCyclobenzaprine Hcl5713
LovastatinLovastatin5714
CarvedilolCarvedilol5413
Metoprolol TartrateMetoprolol Tartrate5416
Warfarin SodiumWarfarin Sodium5012
Albuterol Sulfate HfaAlbuterol Sulfate4622
AllopurinolAllopurinol4613
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4612
EliquisApixaban4212
IbuprofenIbuprofen41suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide4011
MirtazapineMirtazapine39suppressed
Triamcinolone AcetonideTriamcinolone Acetonide3821
AtenololAtenolol33suppressed
PregabalinPregabalin30suppressed
Nifedipine ErNifedipine29suppressed
Amitriptyline HclAmitriptyline Hcl28suppressed
Fluoxetine HclFluoxetine Hcl28suppressed
Duloxetine HclDuloxetine Hcl27suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen27suppressed
ClopidogrelClopidogrel Bisulfate26suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim2618
Escitalopram OxalateEscitalopram Oxalate25suppressed
PrednisonePrednisone2516
Rosuvastatin CalciumRosuvastatin Calcium24suppressed
Pravastatin SodiumPravastatin Sodium23suppressed
Ropinirole HclRopinirole Hcl23suppressed
SpironolactoneSpironolactone23suppressed
TestosteroneTestosterone23suppressed
Arnuity ElliptaFluticasone Furoate22suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl22suppressed
OzempicSemaglutide21suppressed
Paroxetine HclParoxetine Hcl20suppressed
Trazodone HclTrazodone Hcl20suppressed
LoperamideLoperamide Hcl19suppressed
ValacyclovirValacyclovir Hcl1911
AzithromycinAzithromycin1818
CephalexinCephalexin17suppressed
Enalapril MaleateEnalapril Maleate17suppressed
EstradiolEstradiol17suppressed
Novolog FlexpenInsulin Aspart17suppressed
Oxycodone HclOxycodone Hcl17suppressed
SynthroidLevothyroxine Sodium17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
Dicyclomine HclDicyclomine Hcl16suppressed
Donepezil HclDonepezil Hcl16suppressed
FamotidineFamotidine16suppressed
Morphine Sulfate ErMorphine Sulfate16suppressed
Ondansetron HclOndansetron Hcl16suppressed
JardianceEmpagliflozin15suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog15suppressed
MeloxicamMeloxicam15suppressed
CholestyramineCholestyramine (With Sugar)14suppressed
Montelukast SodiumMontelukast Sodium14suppressed
PaxlovidNirmatrelvir/Ritonavir1414
SilodosinSilodosin14suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid14suppressed
AripiprazoleAripiprazole13suppressed
Clonidine HclClonidine Hcl13suppressed
GlipizideGlipizide13suppressed
Invega SustennaPaliperidone Palmitate13suppressed
Ipratropium BromideIpratropium Bromide13suppressed
LevetiracetamLevetiracetam13suppressed
AmoxicillinAmoxicillin12suppressed
ClonazepamClonazepam12suppressed
ColchicineColchicine12suppressed
DiazepamDiazepam12suppressed
Glipizide ErGlipizide12suppressed
Sumatriptan SuccinateSumatriptan Succinate12suppressed
TemazepamTemazepam12suppressed
TrulicityDulaglutide12suppressed
Methylphenidate ErMethylphenidate Hcl11suppressed
NaproxenNaproxen11suppressed

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