Healthcare provider profile · identity verified

Marc A Theroux, MD

Internal Medicine · FALL RIVER, MA · NPI 1497742514

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
Rosuvastatin Calcium	Rosuvastatin Calcium	431	144
Atorvastatin Calcium	Atorvastatin Calcium	355	112
Lisinopril	Lisinopril	346	109
Amlodipine Besylate	Amlodipine Besylate	262	89
Levothyroxine Sodium	Levothyroxine Sodium	259	90
Omeprazole	Omeprazole	246	87
Losartan Potassium	Losartan Potassium	181	64
Gabapentin	Gabapentin	179	50
Metoprolol Succinate	Metoprolol Succinate	176	62
Simvastatin	Simvastatin	173	55
Lorazepam	Lorazepam	166	55
Citalopram Hbr	Citalopram Hydrobromide	137	41
Furosemide	Furosemide	135	52
Pantoprazole Sodium	Pantoprazole Sodium	130	46
Hydrochlorothiazide	Hydrochlorothiazide	128	43
Alprazolam	Alprazolam	121	35
Sertraline Hcl	Sertraline Hcl	116	37
Metformin Hcl	Metformin Hcl	113	39
Atenolol	Atenolol	103	41
Eliquis	Apixaban	102	23
Tamsulosin Hcl	Tamsulosin Hcl	99	33
Fluticasone Propionate	Fluticasone Propionate	98	41
Albuterol Sulfate Hfa	Albuterol Sulfate	88	33
Allopurinol	Allopurinol	84	28
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	78	19
Montelukast Sodium	Montelukast Sodium	78	24
Clonazepam	Clonazepam	74	11
Fluoxetine Hcl	Fluoxetine Hcl	71	23
Meloxicam	Meloxicam	70	20
Prednisone	Prednisone	67	39
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	63	24
Clopidogrel	Clopidogrel Bisulfate	62	15
Zolpidem Tartrate	Zolpidem Tartrate	62	17
Pravastatin Sodium	Pravastatin Sodium	60	19
Tramadol Hcl	Tramadol Hcl	60	14
Metformin Hcl Er	Metformin Hcl	59	20
Oxycodone Hcl	Oxycodone Hcl	57	suppressed
Trazodone Hcl	Trazodone Hcl	57	22
Potassium Chloride	Potassium Chloride	56	16
Famotidine	Famotidine	55	21
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	51	16
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	47	suppressed
Jardiance	Empagliflozin	45	suppressed
Carvedilol	Carvedilol	43	15
Triamcinolone Acetonide	Triamcinolone Acetonide	43	16
Donepezil Hcl	Donepezil Hcl	41	13
Escitalopram Oxalate	Escitalopram Oxalate	41	14
Valsartan	Valsartan	38	14
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	36	27
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	35	suppressed
Mirtazapine	Mirtazapine	35	suppressed
Synthroid	Levothyroxine Sodium	34	13
Alendronate Sodium	Alendronate Sodium	33	15
Verapamil Er	Verapamil Hcl	32	12
Metoprolol Tartrate	Metoprolol Tartrate	31	12
Spironolactone	Spironolactone	31	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	30	12
Doxycycline Hyclate	Doxycycline Hyclate	30	19
Finasteride	Finasteride	30	suppressed
Glipizide Er	Glipizide	29	11
Paroxetine Hcl	Paroxetine Hcl	29	suppressed
Ezetimibe	Ezetimibe	28	suppressed
Nystatin	Nystatin	28	17
Bupropion Hcl Sr	Bupropion Hcl	27	suppressed
Duloxetine Hcl	Duloxetine Hcl	27	suppressed
Meclizine Hcl	Meclizine Hcl	27	12
Methylphenidate Hcl	Methylphenidate Hcl	27	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	27	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	25	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	25	suppressed
Propranolol Hcl Er	Propranolol Hcl	25	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	24	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	24	suppressed
Fenofibrate	Fenofibrate	24	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	24	suppressed
Cefuroxime	Cefuroxime Axetil	22	22
Amoxicillin	Amoxicillin	21	19
Benazepril Hcl	Benazepril Hcl	21	suppressed
Estradiol	Estradiol	21	suppressed
Memantine Hcl	Memantine Hcl	21	suppressed
Temazepam	Temazepam	21	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	20	suppressed
Ondansetron Hcl	Ondansetron Hcl	20	suppressed
Ropinirole Hcl	Ropinirole Hcl	20	suppressed
Topiramate	Topiramate	20	suppressed
Glipizide	Glipizide	19	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	19	suppressed
Klor-Con M10	Potassium Chloride	19	suppressed
Methylprednisolone	Methylprednisolone	19	14
Propranolol Hcl	Propranolol Hcl	19	suppressed
Incruse Ellipta	Umeclidinium Bromide	18	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	18	suppressed
Breo Ellipta	Fluticasone/Vilanterol	17	suppressed
Januvia	Sitagliptin Phosphate	17	suppressed
Lactulose	Lactulose	17	suppressed
Eszopiclone	Eszopiclone	15	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	15	suppressed
Mometasone Furoate	Mometasone Furoate	15	11
Naproxen	Naproxen	15	suppressed
Torsemide	Torsemide	15	suppressed
Cevimeline Hcl	Cevimeline Hcl	14	suppressed
Farxiga	Dapagliflozin Propanediol	14	suppressed
Irbesartan	Irbesartan	14	suppressed
Latanoprost	Latanoprost	14	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	14	suppressed
Azithromycin	Azithromycin	13	11
Cephalexin	Cephalexin	13	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	13	suppressed
Diazepam	Diazepam	13	suppressed
Nitroglycerin Patch	Nitroglycerin	13	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	13	suppressed
Spiriva Handihaler	Tiotropium Bromide	13	suppressed
Azelastine Hcl	Azelastine Hcl	12	suppressed
Baclofen	Baclofen	12	suppressed
Celecoxib	Celecoxib	12	suppressed
Ketoconazole	Ketoconazole	12	suppressed
Ramipril	Ramipril	12	suppressed
Repaglinide	Repaglinide	12	suppressed
Testosterone	Testosterone	12	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	11	suppressed
Chlorthalidone	Chlorthalidone	11	suppressed
Hydrocortisone	Hydrocortisone	11	suppressed
Levetiracetam	Levetiracetam	11	suppressed
Lovastatin	Lovastatin	11	suppressed
Methadone Hcl	Methadone Hcl	11	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	11	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	11	suppressed
Oxycontin	Oxycodone Hcl	11	suppressed
Ozempic	Semaglutide	11	suppressed
Primidone	Primidone	11	suppressed
Tadalafil	Tadalafil	11	suppressed
Warfarin Sodium	Warfarin Sodium	11	suppressed
Xarelto	Rivaroxaban	11	suppressed
Xtampza Er	Oxycodone Myristate	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

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