Healthcare provider profile · identity verified

Mattson Mathey, M.D.

Family Practice · THERMOPOLIS, WY · NPI 1811374010

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
Lisinopril	Lisinopril	241	52
Atorvastatin Calcium	Atorvastatin Calcium	240	57
Furosemide	Furosemide	220	33
Levothyroxine Sodium	Levothyroxine Sodium	199	32
Metformin Hcl	Metformin Hcl	127	25
Meloxicam	Meloxicam	109	15
Gabapentin	Gabapentin	108	25
Duloxetine Hcl	Duloxetine Hcl	92	19
Pantoprazole Sodium	Pantoprazole Sodium	91	12
Potassium Chloride	Potassium Chloride	91	21
Amlodipine Besylate	Amlodipine Besylate	88	21
Hydrochlorothiazide	Hydrochlorothiazide	83	20
Oxycodone Hcl	Oxycodone Hcl	81	16
Losartan Potassium	Losartan Potassium	77	18
Eliquis	Apixaban	76	12
Tramadol Hcl	Tramadol Hcl	75	15
Bupropion Xl	Bupropion Hcl	69	14
Buspirone Hcl	Buspirone Hcl	66	suppressed
Tamsulosin Hcl	Tamsulosin Hcl	66	19
Omeprazole	Omeprazole	65	16
Carvedilol	Carvedilol	55	suppressed
Celecoxib	Celecoxib	53	11
Escitalopram Oxalate	Escitalopram Oxalate	49	suppressed
Metoprolol Succinate	Metoprolol Succinate	49	18
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	47	17
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	47	16
Metformin Hcl Er	Metformin Hcl	44	suppressed
Albuterol Sulfate	Albuterol Sulfate	41	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	41	suppressed
Prednisone	Prednisone	41	21
Sertraline Hcl	Sertraline Hcl	41	suppressed
Warfarin Sodium	Warfarin Sodium	41	suppressed
Citalopram Hbr	Citalopram Hydrobromide	40	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	40	suppressed
Spironolactone	Spironolactone	40	suppressed
Alprazolam	Alprazolam	39	suppressed
Mirtazapine	Mirtazapine	39	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	39	12
Methylprednisolone	Methylprednisolone	38	18
Albuterol Sulfate Hfa	Albuterol Sulfate	37	suppressed
Pregabalin	Pregabalin	36	suppressed
Trazodone Hcl	Trazodone Hcl	36	suppressed
Valacyclovir	Valacyclovir Hcl	36	suppressed
Atenolol	Atenolol	35	suppressed
Fentanyl	Fentanyl	35	suppressed
Tizanidine Hcl	Tizanidine Hcl	35	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	33	suppressed
Allopurinol	Allopurinol	32	suppressed
Doxepin Hcl	Doxepin Hcl	32	suppressed
Diclofenac Sodium	Diclofenac Sodium	31	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	31	suppressed
Simvastatin	Simvastatin	30	suppressed
Ozempic	Semaglutide	29	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	28	suppressed
Lorazepam	Lorazepam	28	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	28	suppressed
Montelukast Sodium	Montelukast Sodium	28	suppressed
Sucralfate	Sucralfate	28	11
Aripiprazole	Aripiprazole	27	suppressed
Pravastatin Sodium	Pravastatin Sodium	27	suppressed
Clonazepam	Clonazepam	26	suppressed
Ventolin Hfa	Albuterol Sulfate	26	11
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	25	21
Jardiance	Empagliflozin	25	suppressed
Donepezil Hcl	Donepezil Hcl	24	suppressed
Fluticasone Propionate	Fluticasone Propionate	24	suppressed
Ibuprofen	Ibuprofen	24	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	24	23
Advair Diskus	Fluticasone Propion/Salmeterol	23	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	22	suppressed
Clopidogrel	Clopidogrel Bisulfate	22	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	22	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	22	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	22	suppressed
Azithromycin	Azithromycin	21	18
Estradiol	Estradiol	21	suppressed
Solifenacin Succinate	Solifenacin Succinate	21	suppressed
Olanzapine Odt	Olanzapine	20	suppressed
Ezetimibe	Ezetimibe	19	suppressed
Cephalexin	Cephalexin	18	16
Diazepam	Diazepam	18	suppressed
Haloperidol	Haloperidol	18	suppressed
Paroxetine Hcl	Paroxetine Hcl	18	suppressed
Ondansetron Odt	Ondansetron	17	11
Amiodarone Hcl	Amiodarone Hcl	16	suppressed
Donepezil Hcl Odt	Donepezil Hcl	16	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	16	suppressed
Methenamine Hippurate	Methenamine Hippurate	16	suppressed
Bumetanide	Bumetanide	15	suppressed
Enalapril Maleate	Enalapril Maleate	15	suppressed
Linzess	Linaclotide	15	suppressed
Buprenorphine Hcl	Buprenorphine Hcl	14	suppressed
Carbamazepine	Carbamazepine	14	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	14	suppressed
Mounjaro	Tirzepatide	14	suppressed
Propranolol Hcl Er	Propranolol Hcl	14	suppressed
Dutasteride	Dutasteride	13	suppressed
Gemfibrozil	Gemfibrozil	13	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	13	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Primidone	Primidone	13	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	13	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	13	12
Benazepril Hcl	Benazepril Hcl	12	suppressed
Bupropion Hcl Sr	Bupropion Hcl	12	suppressed
Cimetidine	Cimetidine	12	suppressed
Oxcarbazepine	Oxcarbazepine	12	suppressed
Rexulti	Brexpiprazole	12	suppressed
Ropinirole Hcl	Ropinirole Hcl	12	suppressed
Rybelsus	Semaglutide	12	suppressed
Spiriva Respimat	Tiotropium Bromide	12	suppressed
Symbicort	Budesonide/Formoterol Fumarate	12	suppressed
Torsemide	Torsemide	12	suppressed
Armour Thyroid	Thyroid,pork	11	suppressed
Baclofen	Baclofen	11	suppressed
Colchicine	Colchicine	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Lurasidone Hcl	Lurasidone Hcl	11	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	11	suppressed
Phenobarbital	Phenobarbital	11	suppressed
Temazepam	Temazepam	11	suppressed
Verapamil Er	Verapamil Hcl	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