Healthcare provider profile · identity verified

Samuel Harrison Barker, D.C., NP-C

Nurse Practitioner · TWIN FALLS, ID · NPI 1043301682

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
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen15329
Levothyroxine SodiumLevothyroxine Sodium8624
Atorvastatin CalciumAtorvastatin Calcium8025
Trazodone HclTrazodone Hcl7011
Albuterol Sulfate HfaAlbuterol Sulfate6923
GabapentinGabapentin6617
Liothyronine SodiumLiothyronine Sodium6014
Oxycodone HclOxycodone Hcl60suppressed
LisinoprilLisinopril5720
Sertraline HclSertraline Hcl56suppressed
Tramadol HclTramadol Hcl5612
MeloxicamMeloxicam5415
Zolpidem TartrateZolpidem Tartrate4812
PrednisonePrednisone4743
Metoprolol SuccinateMetoprolol Succinate4611
OmeprazoleOmeprazole4615
Potassium ChloridePotassium Chloride46suppressed
OzempicSemaglutide45suppressed
Amlodipine BesylateAmlodipine Besylate4412
Tizanidine HclTizanidine Hcl44suppressed
AlprazolamAlprazolam42suppressed
Losartan PotassiumLosartan Potassium42suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol40suppressed
Sumatriptan SuccinateSumatriptan Succinate40suppressed
Fluoxetine HclFluoxetine Hcl38suppressed
Metformin Hcl ErMetformin Hcl38suppressed
Cyclobenzaprine HclCyclobenzaprine Hcl3617
FurosemideFurosemide3611
ClonazepamClonazepam35suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog32suppressed
Ropinirole HclRopinirole Hcl31suppressed
BaclofenBaclofen2816
Montelukast SodiumMontelukast Sodium28suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide27suppressed
Pantoprazole SodiumPantoprazole Sodium27suppressed
Hydroxyzine HclHydroxyzine Hcl26suppressed
Metformin HclMetformin Hcl26suppressed
PregabalinPregabalin26suppressed
Quetiapine FumarateQuetiapine Fumarate25suppressed
Lorazepam IntensolLorazepam24suppressed
AzithromycinAzithromycin2317
GlimepirideGlimepiride23suppressed
MethocarbamolMethocarbamol22suppressed
Np ThyroidThyroid,pork22suppressed
Duloxetine HclDuloxetine Hcl20suppressed
FenofibrateFenofibrate Nanocrystallized20suppressed
FluconazoleFluconazole20suppressed
MethylprednisoloneMethylprednisolone2017
Tamsulosin HclTamsulosin Hcl20suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1918
Dextroamphetamine-AmphetamineDextroamphetamine/Amphetamine19suppressed
Fluticasone PropionateFluticasone Propionate19suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide19suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl18suppressed
ProgesteroneProgesterone, Micronized18suppressed
SimvastatinSimvastatin18suppressed
TopiramateTopiramate18suppressed
GlipizideGlipizide17suppressed
Promethazine HclPromethazine Hcl17suppressed
CarvedilolCarvedilol16suppressed
HydrochlorothiazideHydrochlorothiazide16suppressed
Buspirone HclBuspirone Hcl15suppressed
Insulin Lispro Kwikpen U-100Insulin Lispro15suppressed
SpironolactoneSpironolactone15suppressed
DiazepamDiazepam14suppressed
EliquisApixaban14suppressed
EzetimibeEzetimibe14suppressed
Rosuvastatin CalciumRosuvastatin Calcium14suppressed
XareltoRivaroxaban14suppressed
BiktarvyBictegrav/Emtricit/Tenofov Ala13suppressed
BumetanideBumetanide13suppressed
Morphine Sulfate ErMorphine Sulfate13suppressed
Triamcinolone AcetonideTriamcinolone Acetonide13suppressed
Zolpidem Tartrate ErZolpidem Tartrate13suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr12suppressed
CelecoxibCelecoxib12suppressed
DottiEstradiol12suppressed
FentanylFentanyl12suppressed
MirtazapineMirtazapine12suppressed
Venlafaxine Hcl ErVenlafaxine Hcl12suppressed
Hydromorphone HclHydromorphone Hcl11suppressed
Ibandronate SodiumIbandronate Sodium11suppressed
MupirocinMupirocin11suppressed
Pravastatin SodiumPravastatin Sodium11suppressed
Propranolol HclPropranolol Hcl11suppressed

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