Healthcare provider profile · identity verified

Stewart Lowell Decker

Family Practice · KLAMATH FALLS, OR · NPI 1417375015

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

Brand	Generic	Claims	Beneficiaries
Losartan Potassium	Losartan Potassium	149	45
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	146	44
Atorvastatin Calcium	Atorvastatin Calcium	144	40
Levothyroxine Sodium	Levothyroxine Sodium	139	36
Omeprazole	Omeprazole	110	30
Hydrochlorothiazide	Hydrochlorothiazide	105	29
Amlodipine Besylate	Amlodipine Besylate	102	32
Rosuvastatin Calcium	Rosuvastatin Calcium	101	28
Lisinopril	Lisinopril	100	29
Gabapentin	Gabapentin	90	33
Donepezil Hcl	Donepezil Hcl	70	11
Duloxetine Hcl	Duloxetine Hcl	70	24
Metoprolol Succinate	Metoprolol Succinate	68	23
Metformin Hcl	Metformin Hcl	67	21
Lovastatin	Lovastatin	63	19
Pantoprazole Sodium	Pantoprazole Sodium	57	17
Tamsulosin Hcl	Tamsulosin Hcl	57	21
Metformin Hcl Er	Metformin Hcl	50	16
Trazodone Hcl	Trazodone Hcl	50	15
Furosemide	Furosemide	46	19
Diclofenac Sodium	Diclofenac Sodium	45	25
Oxycodone Hcl	Oxycodone Hcl	45	15
Alendronate Sodium	Alendronate Sodium	43	15
Potassium Chloride	Potassium Chloride	41	15
Meloxicam	Meloxicam	40	19
Irbesartan	Irbesartan	38	12
Allopurinol	Allopurinol	37	suppressed
Bupropion Xl	Bupropion Hcl	37	14
Carvedilol	Carvedilol	37	11
Jardiance	Empagliflozin	36	suppressed
Pregabalin	Pregabalin	36	12
Famotidine	Famotidine	35	suppressed
Simvastatin	Simvastatin	35	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	34	15
Ozempic	Semaglutide	34	11
Tramadol Hcl	Tramadol Hcl	32	11
Sertraline Hcl	Sertraline Hcl	31	suppressed
Buspirone Hcl	Buspirone Hcl	30	15
Pravastatin Sodium	Pravastatin Sodium	29	suppressed
Prazosin Hcl	Prazosin Hcl	29	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	28	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	26	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	24	suppressed
Naproxen	Naproxen	23	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	22	suppressed
Citalopram Hbr	Citalopram Hydrobromide	22	suppressed
Eliquis	Apixaban	21	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Aripiprazole	Aripiprazole	19	suppressed
Paroxetine Hcl	Paroxetine Hcl	19	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	18	suppressed
Lidocaine	Lidocaine	18	suppressed
Mirtazapine	Mirtazapine	18	suppressed
Mounjaro	Tirzepatide	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	17	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Clonazepam	Clonazepam	16	suppressed
Lorazepam	Lorazepam	16	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	16	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	16	suppressed
Warfarin Sodium	Warfarin Sodium	16	suppressed
Glipizide	Glipizide	15	suppressed
Ibuprofen	Ibuprofen	15	suppressed
Memantine Hcl	Memantine Hcl	15	suppressed
Sucralfate	Sucralfate	15	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	15	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	14	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	14	suppressed
Alprazolam	Alprazolam	13	suppressed
Baclofen	Baclofen	13	suppressed
Cephalexin	Cephalexin	13	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	13	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	13	suppressed
Montelukast Sodium	Montelukast Sodium	13	suppressed
Nifedipine Er	Nifedipine	13	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	12	suppressed
Glipizide Er	Glipizide	12	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	12	suppressed
Prednisone	Prednisone	12	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	12	suppressed
Atenolol	Atenolol	11	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Celecoxib	Celecoxib	11	suppressed
Fluticasone Propionate	Fluticasone Propionate	11	suppressed
Methocarbamol	Methocarbamol	11	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	11	suppressed

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.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
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