Healthcare provider profile · identity verified

Peter Anthony Barkett, M.D.

Internal Medicine · SILVERDALE, WA · NPI 1891086252

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 Calcium21265
Amlodipine BesylateAmlodipine Besylate14744
Losartan PotassiumLosartan Potassium14744
Rosuvastatin CalciumRosuvastatin Calcium13246
LisinoprilLisinopril12546
Levothyroxine SodiumLevothyroxine Sodium10535
Metoprolol SuccinateMetoprolol Succinate8030
OmeprazoleOmeprazole6823
Citalopram HbrCitalopram Hydrobromide6120
FurosemideFurosemide5717
Metformin Hcl ErMetformin Hcl5521
AtenololAtenolol5115
GabapentinGabapentin5118
JardianceEmpagliflozin5118
CarvedilolCarvedilol4916
Potassium ChloridePotassium Chloride4011
AllopurinolAllopurinol3612
Fluticasone PropionateFluticasone Propionate31suppressed
Duloxetine HclDuloxetine Hcl3016
Albuterol Sulfate HfaAlbuterol Sulfate2920
SimvastatinSimvastatin29suppressed
Tamsulosin HclTamsulosin Hcl2915
Doxepin HclDoxepin Hcl2612
Metoprolol TartrateMetoprolol Tartrate26suppressed
Montelukast SodiumMontelukast Sodium26suppressed
FinasterideFinasteride2513
Metformin HclMetformin Hcl25suppressed
Pantoprazole SodiumPantoprazole Sodium25suppressed
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide24suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide23suppressed
EzetimibeEzetimibe22suppressed
Humulin NInsulin Nph Human Isophane22suppressed
LiraglutideLiraglutide22suppressed
DigoxinDigoxin21suppressed
AlvescoCiclesonide20suppressed
Buspirone HclBuspirone Hcl20suppressed
Ipratropium BromideIpratropium Bromide20suppressed
Pravastatin SodiumPravastatin Sodium20suppressed
Victoza 2-PakLiraglutide20suppressed
Alendronate SodiumAlendronate Sodium19suppressed
OzempicSemaglutide19suppressed
HydrochlorothiazideHydrochlorothiazide18suppressed
PregabalinPregabalin18suppressed
TopiramateTopiramate18suppressed
Bupropion XlBupropion Hcl17suppressed
CholestyramineCholestyramine (With Sugar)16suppressed
PradaxaDabigatran Etexilate Mesylate16suppressed
Wixela InhubFluticasone Propion/Salmeterol16suppressed
Fluoxetine HclFluoxetine Hcl15suppressed
Humulin 70/30 KwikpenInsulin Nph Hum/Reg Insulin Hm15suppressed
Trazodone HclTrazodone Hcl15suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen14suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
FamotidineFamotidine12suppressed
HumalogInsulin Lispro12suppressed
NaproxenNaproxen12suppressed
Quetiapine FumarateQuetiapine Fumarate12suppressed
Ropinirole HclRopinirole Hcl12suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl12suppressed
ClopidogrelClopidogrel Bisulfate11suppressed
Escitalopram OxalateEscitalopram Oxalate11suppressed
Glipizide ErGlipizide11suppressed
Humulin N KwikpenInsulin Nph Human Isophane11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl11suppressed
Trospium ChlorideTrospium Chloride11suppressed

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