Healthcare provider profile · identity verified

Matthew Thomashefski, MD

Family Practice · LEROY, NY · NPI 1528401007

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
Atorvastatin Calcium	Atorvastatin Calcium	539	177
Amlodipine Besylate	Amlodipine Besylate	330	106
Omeprazole	Omeprazole	284	87
Lisinopril	Lisinopril	274	94
Levothyroxine Sodium	Levothyroxine Sodium	242	79
Losartan Potassium	Losartan Potassium	221	67
Gabapentin	Gabapentin	201	45
Metoprolol Succinate	Metoprolol Succinate	197	68
Hydrochlorothiazide	Hydrochlorothiazide	193	51
Albuterol Sulfate Hfa	Albuterol Sulfate	162	66
Rosuvastatin Calcium	Rosuvastatin Calcium	138	48
Metformin Hcl	Metformin Hcl	125	41
Tamsulosin Hcl	Tamsulosin Hcl	119	43
Eliquis	Apixaban	110	28
Metoprolol Tartrate	Metoprolol Tartrate	110	29
Pantoprazole Sodium	Pantoprazole Sodium	103	29
Warfarin Sodium	Warfarin Sodium	103	16
Meloxicam	Meloxicam	101	33
Trazodone Hcl	Trazodone Hcl	98	27
Alendronate Sodium	Alendronate Sodium	96	25
Famotidine	Famotidine	96	23
Simvastatin	Simvastatin	89	34
Clopidogrel	Clopidogrel Bisulfate	79	22
Allopurinol	Allopurinol	77	23
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	77	22
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	74	23
Torsemide	Torsemide	73	20
Tramadol Hcl	Tramadol Hcl	72	22
Metformin Hcl Er	Metformin Hcl	71	26
Alprazolam	Alprazolam	70	24
Escitalopram Oxalate	Escitalopram Oxalate	68	23
Buspirone Hcl	Buspirone Hcl	65	15
Finasteride	Finasteride	63	16
Oxycodone Hcl	Oxycodone Hcl	59	19
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	59	15
Sertraline Hcl	Sertraline Hcl	59	18
Shingrix	Varicella-Zoster Ge/As01b/Pf	59	55
Spironolactone	Spironolactone	59	18
Fluticasone Propionate	Fluticasone Propionate	57	27
Furosemide	Furosemide	56	22
Hydroxyzine Hcl	Hydroxyzine Hcl	56	18
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	53	24
Azithromycin	Azithromycin	52	42
Prednisone	Prednisone	49	42
Cephalexin	Cephalexin	48	31
Lorazepam	Lorazepam	47	19
Carvedilol	Carvedilol	45	13
Pregabalin	Pregabalin	45	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	43	16
Triamcinolone Acetonide	Triamcinolone Acetonide	43	19
Montelukast Sodium	Montelukast Sodium	41	15
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	40	suppressed
Atenolol	Atenolol	39	13
Pravastatin Sodium	Pravastatin Sodium	39	15
Jardiance	Empagliflozin	38	12
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	37	30
Bupropion Xl	Bupropion Hcl	37	suppressed
Valsartan	Valsartan	37	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	37	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	36	suppressed
Diazepam	Diazepam	36	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	36	11
Ozempic	Semaglutide	36	13
Clonazepam	Clonazepam	35	suppressed
Ezetimibe	Ezetimibe	35	12
Fluoxetine Hcl	Fluoxetine Hcl	35	12
Methylprednisolone	Methylprednisolone	35	29
Boostrix Tdap	Diphth,pertuss(Acell),tet Vac	32	32
Mirtazapine	Mirtazapine	32	suppressed
Irbesartan	Irbesartan	30	suppressed
Diclofenac Sodium	Diclofenac Sodium	29	11
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	28	suppressed
Baclofen	Baclofen	27	suppressed
Januvia	Sitagliptin Phosphate	27	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	26	suppressed
Breo Ellipta	Fluticasone/Vilanterol	26	suppressed
Duloxetine Hcl	Duloxetine Hcl	25	suppressed
Chlorthalidone	Chlorthalidone	24	suppressed
Glimepiride	Glimepiride	24	suppressed
Silodosin	Silodosin	23	suppressed
Morphine Sulfate	Morphine Sulfate	22	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	21	15
Xarelto	Rivaroxaban	21	suppressed
Citalopram Hbr	Citalopram Hydrobromide	20	suppressed
Ropinirole Hcl	Ropinirole Hcl	20	suppressed
Enalapril Maleate	Enalapril Maleate	19	suppressed
Digoxin	Digoxin	18	suppressed
Rivastigmine	Rivastigmine Tartrate	18	suppressed
Meclizine Hcl	Meclizine Hcl	17	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	16	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	16	suppressed
Lansoprazole	Lansoprazole	16	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	16	suppressed
Tizanidine Hcl	Tizanidine Hcl	16	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	16	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	16	suppressed
Glipizide Er	Glipizide	15	suppressed
Midodrine Hcl	Midodrine Hcl	15	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	15	suppressed
Ramipril	Ramipril	15	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	14	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	14	suppressed
Loperamide	Loperamide Hcl	14	suppressed
Oxymorphone Hcl Er	Oxymorphone Hcl	14	suppressed
Symbicort	Budesonide/Formoterol Fumarate	14	suppressed
Tenivac	Tetanus-Diphtheria Toxoids/Pf	14	14
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	13	suppressed
Labetalol Hcl	Labetalol Hcl	13	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	12
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	13	suppressed
Breyna	Budesonide/Formoterol Fumarate	12	suppressed
Pindolol	Pindolol	12	suppressed
Potassium Chloride	Potassium Chloride	12	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	12	suppressed
Farxiga	Dapagliflozin Propanediol	11	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	11	suppressed
Memantine Hcl	Memantine Hcl	11	suppressed
Mupirocin	Mupirocin	11	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	11	suppressed
Ondansetron Hcl	Ondansetron Hcl	11	suppressed
Primidone	Primidone	11	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	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