Healthcare provider profile · identity verified

Robert Frederick Mazzeo, MD

Family Practice · LAKE RONKONKOMA, NY · NPI 1043240534

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	714	211
Amlodipine Besylate	Amlodipine Besylate	421	127
Metoprolol Succinate	Metoprolol Succinate	329	105
Simvastatin	Simvastatin	319	91
Metformin Hcl	Metformin Hcl	304	95
Levothyroxine Sodium	Levothyroxine Sodium	292	81
Rosuvastatin Calcium	Rosuvastatin Calcium	236	73
Losartan Potassium	Losartan Potassium	223	69
Zolpidem Tartrate	Zolpidem Tartrate	221	39
Omeprazole	Omeprazole	217	68
Tamsulosin Hcl	Tamsulosin Hcl	205	59
Pantoprazole Sodium	Pantoprazole Sodium	201	63
Lisinopril	Lisinopril	192	58
Hydrochlorothiazide	Hydrochlorothiazide	187	49
Enalapril Maleate	Enalapril Maleate	182	52
Alprazolam	Alprazolam	180	35
Albuterol Sulfate Hfa	Albuterol Sulfate	169	49
Glimepiride	Glimepiride	143	40
Fluticasone Propionate	Fluticasone Propionate	134	49
Jardiance	Empagliflozin	124	25
Ezetimibe	Ezetimibe	121	28
Pravastatin Sodium	Pravastatin Sodium	121	37
Metoprolol Tartrate	Metoprolol Tartrate	117	29
Gabapentin	Gabapentin	114	29
Ozempic	Semaglutide	108	22
Prednisone	Prednisone	107	62
Carvedilol	Carvedilol	106	28
Furosemide	Furosemide	103	33
Clopidogrel	Clopidogrel Bisulfate	101	34
Montelukast Sodium	Montelukast Sodium	101	28
Escitalopram Oxalate	Escitalopram Oxalate	98	26
Ibuprofen	Ibuprofen	94	30
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	94	28
Trazodone Hcl	Trazodone Hcl	94	18
Sertraline Hcl	Sertraline Hcl	91	26
Synthroid	Levothyroxine Sodium	86	21
Allopurinol	Allopurinol	82	25
Famotidine	Famotidine	82	28
Doxycycline Hyclate	Doxycycline Hyclate	81	62
Clonazepam	Clonazepam	74	suppressed
Meloxicam	Meloxicam	74	17
Alendronate Sodium	Alendronate Sodium	71	20
Eliquis	Apixaban	70	18
Novolog Flexpen	Insulin Aspart	62	13
Paroxetine Hcl	Paroxetine Hcl	61	18
Atenolol	Atenolol	58	17
Valsartan	Valsartan	56	15
Naproxen	Naproxen	55	15
Warfarin Sodium	Warfarin Sodium	54	12
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	53	16
Potassium Chloride	Potassium Chloride	53	17
Meclizine Hcl	Meclizine Hcl	52	16
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	51	18
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	50	suppressed
Buspirone Hcl	Buspirone Hcl	49	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	48	32
Irbesartan	Irbesartan	48	15
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	47	11
Januvia	Sitagliptin Phosphate	47	13
Methocarbamol	Methocarbamol	47	suppressed
Duloxetine Hcl	Duloxetine Hcl	46	12
Metformin Hcl Er	Metformin Hcl	46	12
Fenofibrate	Fenofibrate Nanocrystallized	45	12
Ramipril	Ramipril	45	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	45	13
Levofloxacin	Levofloxacin	41	35
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	41	suppressed
Hydralazine Hcl	Hydralazine Hcl	40	13
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	40	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	40	14
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	37	suppressed
Glipizide	Glipizide	37	11
Hydrocortisone	Hydrocortisone	37	25
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	37	suppressed
Finasteride	Finasteride	36	14
Fluocinonide	Fluocinonide	34	14
Lovastatin	Lovastatin	34	11
Citalopram Hbr	Citalopram Hydrobromide	33	suppressed
Lorazepam	Lorazepam	33	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	33	11
Sumatriptan Succinate	Sumatriptan Succinate	33	suppressed
Tresiba Flextouch U-200	Insulin Degludec	33	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	31	24
Farxiga	Dapagliflozin Propanediol	30	11
Celecoxib	Celecoxib	29	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	29	21
Fosinopril Sodium	Fosinopril Sodium	28	suppressed
Nifedipine Er	Nifedipine	28	suppressed
Risedronate Sodium	Risedronate Sodium	28	suppressed
Tramadol Hcl	Tramadol Hcl	27	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	26	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	26	suppressed
Niacin Er	Niacin	26	suppressed
Ventolin Hfa	Albuterol Sulfate	26	suppressed
Donepezil Hcl	Donepezil Hcl	25	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	25	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	25	suppressed
Cephalexin	Cephalexin	24	17
Xarelto	Rivaroxaban	24	suppressed
Spironolactone	Spironolactone	23	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	23	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	22	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	22	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	22	suppressed
Benazepril Hcl	Benazepril Hcl	21	suppressed
Mirtazapine	Mirtazapine	21	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	21	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	21	suppressed
Bydureon Bcise	Exenatide Microspheres	20	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	20	suppressed
Diazepam	Diazepam	19	suppressed
Glipizide Er	Glipizide	18	suppressed
Mounjaro	Tirzepatide	18	suppressed
Valacyclovir	Valacyclovir Hcl	18	11
Wixela Inhub	Fluticasone Propion/Salmeterol	18	suppressed
Halobetasol Propionate	Halobetasol Propionate	17	suppressed
Ondansetron Hcl	Ondansetron Hcl	17	suppressed
Pregabalin	Pregabalin	17	suppressed
Topiramate	Topiramate	16	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	16	suppressed
Breo Ellipta	Fluticasone/Vilanterol	15	suppressed
Ranolazine Er	Ranolazine	15	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	14	suppressed
Diltiazem Hcl	Diltiazem Hcl	14	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	14	suppressed
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	14	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	14	suppressed
Juluca	Dolutegravir/Rilpivirine	14	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Torsemide	Torsemide	14	suppressed
Azithromycin	Azithromycin	13	12
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	13	suppressed
Clobetasol Propionate	Clobetasol Propionate	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Tresiba Flextouch U-100	Insulin Degludec	13	suppressed
Verapamil Er	Verapamil Hcl	13	suppressed
Aspirin-Dipyridamole Er	Aspirin/Dipyridamole	12	suppressed
Bupropion Hcl Sr	Bupropion Hcl	12	suppressed
Cefuroxime	Cefuroxime Axetil	12	suppressed
Chlordiazepoxide-Clidinium	Chlordiazepoxide/Clidinium Br	12	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	12	suppressed
Nystatin-Triamcinolone	Nystatin/Triamcinolone Acet	12	suppressed
Rybelsus	Semaglutide	12	suppressed
Single Use Swab	Alcohol Antiseptic Pads	12	suppressed
Telmisartan	Telmisartan	12	suppressed
Tobramycin	Tobramycin	12	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	12	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Mycophenolate Mofetil	Mycophenolate Mofetil	11	suppressed
Neomycin-Polymyxin-Hydrocort	Neomycin/Polymyxin B/Hydrocort	11	suppressed
Primidone	Primidone	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