Healthcare provider profile · identity verified

Mamdouh M Riad, M.D.

Internal Medicine · HYANNIS, MA · NPI 1811920333

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	707	223
Levothyroxine Sodium	Levothyroxine Sodium	689	221
Lisinopril	Lisinopril	478	169
Omeprazole	Omeprazole	429	129
Amlodipine Besylate	Amlodipine Besylate	428	147
Rosuvastatin Calcium	Rosuvastatin Calcium	416	135
Losartan Potassium	Losartan Potassium	363	119
Metformin Hcl	Metformin Hcl	316	108
Metoprolol Succinate	Metoprolol Succinate	305	102
Alendronate Sodium	Alendronate Sodium	258	81
Methylprednisolone	Methylprednisolone	257	189
Pantoprazole Sodium	Pantoprazole Sodium	254	67
Gabapentin	Gabapentin	235	63
Simvastatin	Simvastatin	197	69
Tamsulosin Hcl	Tamsulosin Hcl	196	68
Eliquis	Apixaban	162	50
Trazodone Hcl	Trazodone Hcl	150	44
Albuterol Sulfate Hfa	Albuterol Sulfate	141	44
Sertraline Hcl	Sertraline Hcl	132	43
Citalopram Hbr	Citalopram Hydrobromide	128	42
Zolpidem Tartrate	Zolpidem Tartrate	128	39
Hydrochlorothiazide	Hydrochlorothiazide	124	47
Metoprolol Tartrate	Metoprolol Tartrate	124	39
Furosemide	Furosemide	120	44
Atenolol	Atenolol	116	39
Escitalopram Oxalate	Escitalopram Oxalate	115	26
Azithromycin	Azithromycin	107	95
Allopurinol	Allopurinol	104	41
Carvedilol	Carvedilol	95	35
Montelukast Sodium	Montelukast Sodium	88	30
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	85	24
Fluticasone Propionate	Fluticasone Propionate	74	29
Synthroid	Levothyroxine Sodium	74	24
Ibuprofen	Ibuprofen	71	31
Meloxicam	Meloxicam	71	33
Oxcarbazepine	Oxcarbazepine	70	suppressed
Trulicity	Dulaglutide	69	17
Januvia	Sitagliptin Phosphate	61	14
Clopidogrel	Clopidogrel Bisulfate	56	17
Mirtazapine	Mirtazapine	56	14
Nystatin	Nystatin	54	21
Spironolactone	Spironolactone	53	15
Venlafaxine Hcl Er	Venlafaxine Hcl	52	15
Famotidine	Famotidine	51	13
Oxybutynin Chloride Er	Oxybutynin Chloride	49	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	45	suppressed
Pravastatin Sodium	Pravastatin Sodium	45	19
Duloxetine Hcl	Duloxetine Hcl	42	11
Finasteride	Finasteride	42	16
Jardiance	Empagliflozin	42	suppressed
Valacyclovir	Valacyclovir Hcl	42	16
Buspirone Hcl	Buspirone Hcl	41	16
Quetiapine Fumarate	Quetiapine Fumarate	41	suppressed
Testosterone Cypionate	Testosterone Cypionate	41	suppressed
Bupropion Xl	Bupropion Hcl	40	12
Felodipine Er	Felodipine	40	12
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	40	15
Potassium Chloride	Potassium Chloride	40	15
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	40	33
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	39	suppressed
Levofloxacin	Levofloxacin	39	34
Donepezil Hcl	Donepezil Hcl	38	11
Bupropion Hcl Sr	Bupropion Hcl	36	suppressed
Xarelto	Rivaroxaban	36	suppressed
Olanzapine	Olanzapine	35	suppressed
Ozempic	Semaglutide	35	13
Celecoxib	Celecoxib	34	12
Clonidine Hcl	Clonidine Hcl	34	suppressed
Ezetimibe	Ezetimibe	34	12
Lidocaine Hcl Viscous	Lidocaine Hcl	34	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	34	33
Valsartan	Valsartan	34	13
Propranolol Hcl	Propranolol Hcl	33	14
Ciprofloxacin Hcl	Ciprofloxacin Hcl	31	28
Olmesartan Medoxomil	Olmesartan Medoxomil	31	11
Diclofenac Sodium	Diclofenac Sodium	29	11
Ropinirole Hcl	Ropinirole Hcl	29	11
Terazosin Hcl	Terazosin Hcl	29	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	28	11
Sumatriptan Succinate	Sumatriptan Succinate	28	suppressed
Warfarin Sodium	Warfarin Sodium	28	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	27	suppressed
Tizanidine Hcl	Tizanidine Hcl	27	suppressed
Bumetanide	Bumetanide	26	suppressed
Fenofibrate	Fenofibrate	26	suppressed
Levetiracetam	Levetiracetam	26	suppressed
Paroxetine Hcl	Paroxetine Hcl	26	11
Pregabalin	Pregabalin	26	suppressed
Torsemide	Torsemide	26	suppressed
Baclofen	Baclofen	25	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	24	suppressed
Metformin Hcl Er	Metformin Hcl	24	14
Triamcinolone Acetonide	Triamcinolone Acetonide	24	suppressed
Cephalexin	Cephalexin	23	15
Clonazepam	Clonazepam	23	suppressed
Divalproex Sodium	Divalproex Sodium	23	suppressed
Glipizide	Glipizide	23	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	23	suppressed
Glipizide Er	Glipizide	22	suppressed
Ventolin Hfa	Albuterol Sulfate	22	suppressed
Glimepiride	Glimepiride	21	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	21	suppressed
Labetalol Hcl	Labetalol Hcl	21	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	21	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	20	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	20	18
Chlorthalidone	Chlorthalidone	20	suppressed
Diazepam	Diazepam	20	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	20	suppressed
Amantadine	Amantadine Hcl	19	suppressed
Ondansetron Hcl	Ondansetron Hcl	19	14
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	18	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	18	suppressed
Enalapril Maleate	Enalapril Maleate	18	suppressed
Lorazepam	Lorazepam	18	11
Phenytoin Sodium Extended	Phenytoin Sodium Extended	18	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	17	suppressed
Metronidazole	Metronidazole	17	15
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	17	suppressed
Prednisone	Prednisone	17	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	17	suppressed
Benztropine Mesylate	Benztropine Mesylate	16	suppressed
Gemfibrozil	Gemfibrozil	16	suppressed
Hydrocortisone	Hydrocortisone	16	suppressed
Methenamine Hippurate	Methenamine Hippurate	16	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	16	suppressed
Benazepril Hcl	Benazepril Hcl	15	suppressed
Lovastatin	Lovastatin	15	suppressed
Sucralfate	Sucralfate	14	suppressed
Verapamil Hcl	Verapamil Hcl	14	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Memantine Hcl	Memantine Hcl	13	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	13	suppressed
Naproxen	Naproxen	13	suppressed
Paxlovid (Eua)	Nirmatrelvir/Ritonavir	13	13
Tradjenta	Linagliptin	13	suppressed
Verapamil Er	Verapamil Hcl	13	suppressed
Desmopressin Acetate	Desmopressin Acetate	12	suppressed
Diltiazem Hcl	Diltiazem Hcl	12	suppressed
Entresto	Sacubitril/Valsartan	12	suppressed
Erythromycin	Erythromycin Base	12	suppressed
Farxiga	Dapagliflozin Propanediol	12	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	12	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	12	suppressed
Permethrin	Permethrin	12	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	12	suppressed
Amoxicillin	Amoxicillin	11	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	11	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	11	suppressed
Fluconazole	Fluconazole	11	suppressed
Hydralazine Hcl	Hydralazine Hcl	11	suppressed
Irbesartan	Irbesartan	11	suppressed
Klor-Con 10	Potassium Chloride	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Linzess	Linaclotide	11	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	11	suppressed
Symbicort	Budesonide/Formoterol Fumarate	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