Healthcare provider profile · identity verified

Antonio S Diaz, MD

Internal Medicine · BRONX, NY · NPI 1902879281

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	777	240
Amlodipine Besylate	Amlodipine Besylate	706	221
Losartan Potassium	Losartan Potassium	431	136
Metformin Hcl	Metformin Hcl	413	135
Albuterol Sulfate Hfa	Albuterol Sulfate	341	95
Omeprazole	Omeprazole	321	108
Simvastatin	Simvastatin	280	85
Gabapentin	Gabapentin	275	69
Hydrochlorothiazide	Hydrochlorothiazide	270	86
Metoprolol Succinate	Metoprolol Succinate	267	92
Lisinopril	Lisinopril	257	75
Levothyroxine Sodium	Levothyroxine Sodium	237	84
Famotidine	Famotidine	214	74
Rosuvastatin Calcium	Rosuvastatin Calcium	208	67
Montelukast Sodium	Montelukast Sodium	201	64
Metformin Hcl Er	Metformin Hcl	193	55
Jardiance	Empagliflozin	190	50
Ozempic	Semaglutide	182	39
Eliquis	Apixaban	168	40
Fluticasone Propionate	Fluticasone Propionate	141	50
Januvia	Sitagliptin Phosphate	131	29
Carvedilol	Carvedilol	123	35
Tamsulosin Hcl	Tamsulosin Hcl	121	36
Alendronate Sodium	Alendronate Sodium	120	27
Farxiga	Dapagliflozin Propanediol	120	30
Nifedipine Er	Nifedipine	120	45
Alcohol Prep Pads	Alcohol Antiseptic Pads	118	37
Pantoprazole Sodium	Pantoprazole Sodium	114	35
Furosemide	Furosemide	100	34
Pravastatin Sodium	Pravastatin Sodium	99	34
Allopurinol	Allopurinol	94	26
Metoprolol Tartrate	Metoprolol Tartrate	91	27
Trulicity	Dulaglutide	86	16
Buspirone Hcl	Buspirone Hcl	81	15
Glipizide Er	Glipizide	79	21
Ammonium Lactate	Ammonium Lactate	74	34
Sertraline Hcl	Sertraline Hcl	72	20
Clopidogrel	Clopidogrel Bisulfate	70	23
Meclizine Hcl	Meclizine Hcl	68	29
Azelastine Hcl	Azelastine Hcl	66	32
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	65	16
Hydralazine Hcl	Hydralazine Hcl	64	14
Atenolol	Atenolol	63	20
Pioglitazone Hcl	Pioglitazone Hcl	62	17
Nystatin	Nystatin	60	28
Potassium Chloride	Potassium Chloride	60	18
Finasteride	Finasteride	56	20
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	56	18
Olmesartan Medoxomil	Olmesartan Medoxomil	55	19
Enalapril Maleate	Enalapril Maleate	51	11
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	51	17
Valsartan	Valsartan	51	14
Tresiba Flextouch U-100	Insulin Degludec	49	16
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	47	19
Single Use Swab	Alcohol Antiseptic Pads	46	20
Tizanidine Hcl	Tizanidine Hcl	45	28
Ezetimibe	Ezetimibe	43	15
Glimepiride	Glimepiride	42	12
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	42	38
Synthroid	Levothyroxine Sodium	42	11
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	41	12
Easy Touch Alcohol Prep Pads	Alcohol Antiseptic Pads	41	12
Escitalopram Oxalate	Escitalopram Oxalate	39	13
Trazodone Hcl	Trazodone Hcl	39	11
Janumet	Sitagliptin Phos/Metformin Hcl	37	suppressed
Spironolactone	Spironolactone	37	11
Chlorthalidone	Chlorthalidone	36	13
Fenofibrate	Fenofibrate Nanocrystallized	36	suppressed
Alprazolam	Alprazolam	35	suppressed
Ventolin Hfa	Albuterol Sulfate	35	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	34	suppressed
Donepezil Hcl	Donepezil Hcl	31	16
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	31	suppressed
Paroxetine Hcl	Paroxetine Hcl	31	suppressed
Warfarin Sodium	Warfarin Sodium	31	suppressed
Azithromycin	Azithromycin	30	28
Entresto	Sacubitril/Valsartan	30	suppressed
Levetiracetam	Levetiracetam	30	suppressed
Pregabalin	Pregabalin	29	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	29	suppressed
Mirtazapine	Mirtazapine	28	11
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	26	13
Nebivolol Hcl	Nebivolol Hcl	24	suppressed
Benazepril Hcl	Benazepril Hcl	22	suppressed
Duloxetine Hcl	Duloxetine Hcl	22	suppressed
Amoxicillin	Amoxicillin	21	17
Esomeprazole Magnesium	Esomeprazole Magnesium	21	suppressed
Labetalol Hcl	Labetalol Hcl	21	suppressed
Verapamil Er	Verapamil Hcl	21	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	20	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	20	suppressed
Diclofenac Sodium	Diclofenac Sodium	19	suppressed
Lovastatin	Lovastatin	19	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	19	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	19	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	19	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	19	suppressed
Klor-Con M10	Potassium Chloride	18	suppressed
Levemir Flexpen	Insulin Detemir	18	suppressed
Colchicine	Colchicine	17	suppressed
Mounjaro	Tirzepatide	17	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	17	suppressed
Novolog Flexpen	Insulin Aspart	17	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	17	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	16	16
Citalopram Hbr	Citalopram Hydrobromide	16	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	16	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	16	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	16	12
Clonidine Hcl	Clonidine Hcl	15	suppressed
Folic Acid	Folic Acid	15	suppressed
Ibuprofen	Ibuprofen	15	suppressed
Methimazole	Methimazole	14	suppressed
Breo Ellipta	Fluticasone/Vilanterol	13	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	13	suppressed
Epinephrine	Epinephrine	13	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	13	suppressed
Lansoprazole	Lansoprazole	13	suppressed
Memantine Hcl	Memantine Hcl	13	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	13	12
Prednisone	Prednisone	13	suppressed
Spironolactone-Hctz	Spironolact/Hydrochlorothiazid	13	suppressed
Symbicort	Budesonide/Formoterol Fumarate	13	suppressed
Enalapril-Hydrochlorothiazide	Enalapril/Hydrochlorothiazide	12	suppressed
Incruse Ellipta	Umeclidinium Bromide	12	suppressed
Lumigan	Bimatoprost	12	suppressed
Oxycodone Hcl	Oxycodone Hcl	12	suppressed
Qvar Redihaler	Beclomethasone Dipropionate	12	suppressed
Tresiba Flextouch U-200	Insulin Degludec	12	suppressed
Baclofen	Baclofen	11	suppressed
Candesartan Cilexetil	Candesartan Cilexetil	11	suppressed
Clonazepam	Clonazepam	11	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	11	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	11	suppressed
Fosinopril Sodium	Fosinopril Sodium	11	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	11	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	11	suppressed
Ramipril	Ramipril	11	suppressed
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	11	suppressed
Xarelto	Rivaroxaban	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