Healthcare provider profile · identity verified

David J Pierangelo, MD

Internal Medicine · WESTFIELD, MA · NPI 1861467748

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	469	48
Gabapentin	Gabapentin	310	30
Eliquis	Apixaban	259	25
Pantoprazole Sodium	Pantoprazole Sodium	255	27
Levothyroxine Sodium	Levothyroxine Sodium	234	26
Metoprolol Succinate	Metoprolol Succinate	187	18
Amlodipine Besylate	Amlodipine Besylate	154	18
Famotidine	Famotidine	139	16
Metformin Hcl	Metformin Hcl	138	19
Sertraline Hcl	Sertraline Hcl	130	16
Venlafaxine Hcl Er	Venlafaxine Hcl	124	suppressed
Furosemide	Furosemide	123	20
Trazodone Hcl	Trazodone Hcl	112	19
Metoprolol Tartrate	Metoprolol Tartrate	110	13
Lisinopril	Lisinopril	103	12
Levetiracetam	Levetiracetam	100	suppressed
Tramadol Hcl	Tramadol Hcl	88	15
Rosuvastatin Calcium	Rosuvastatin Calcium	87	suppressed
Tamsulosin Hcl	Tamsulosin Hcl	78	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	73	suppressed
Potassium Chloride	Potassium Chloride	71	11
Lorazepam	Lorazepam	68	15
Finasteride	Finasteride	66	suppressed
Pregabalin	Pregabalin	65	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	64	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	60	suppressed
Trulicity	Dulaglutide	60	suppressed
Carvedilol	Carvedilol	58	suppressed
Clonazepam	Clonazepam	58	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	57	suppressed
Clopidogrel	Clopidogrel Bisulfate	55	suppressed
Metformin Hcl Er	Metformin Hcl	55	suppressed
Omeprazole	Omeprazole	55	suppressed
Risperidone	Risperidone	55	suppressed
Fluticasone Propionate	Fluticasone Propionate	54	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	49	suppressed
Donepezil Hcl	Donepezil Hcl	49	suppressed
Lamotrigine	Lamotrigine	47	suppressed
Latanoprost	Latanoprost	47	suppressed
Losartan Potassium	Losartan Potassium	47	suppressed
Montelukast Sodium	Montelukast Sodium	47	suppressed
Buspirone Hcl	Buspirone Hcl	46	suppressed
Simvastatin	Simvastatin	44	suppressed
Pravastatin Sodium	Pravastatin Sodium	43	suppressed
Prednisone	Prednisone	42	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	41	suppressed
Oxycodone Hcl	Oxycodone Hcl	41	17
Citalopram Hbr	Citalopram Hydrobromide	40	suppressed
Divalproex Sodium	Divalproex Sodium	40	suppressed
Alogliptin	Alogliptin Benzoate	39	suppressed
Memantine Hcl Er	Memantine Hcl	38	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	36	suppressed
Mirabegron Er	Mirabegron	35	suppressed
Ranolazine Er	Ranolazine	33	suppressed
Entresto	Sacubitril/Valsartan	31	suppressed
Glipizide Er	Glipizide	31	suppressed
Topiramate	Topiramate	31	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	30	suppressed
Bumetanide	Bumetanide	29	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	29	suppressed
Allopurinol	Allopurinol	27	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	27	suppressed
Gemtesa	Vibegron	27	suppressed
Loperamide	Loperamide Hcl	27	suppressed
Atenolol	Atenolol	26	suppressed
Bupropion Xl	Bupropion Hcl	26	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	26	suppressed
Methotrexate	Methotrexate Sodium	26	suppressed
Mirtazapine	Mirtazapine	26	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	25	suppressed
Nifedipine Er	Nifedipine	24	suppressed
Olanzapine	Olanzapine	24	suppressed
Spiriva Respimat	Tiotropium Bromide	24	suppressed
Bupropion Hcl Sr	Bupropion Hcl	23	suppressed
Cilostazol	Cilostazol	22	suppressed
Desloratadine	Desloratadine	22	suppressed
Ropinirole Hcl	Ropinirole Hcl	22	suppressed
Fluticasone-Vilanterol	Fluticasone/Vilanterol	21	suppressed
Myrbetriq	Mirabegron	21	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	21	suppressed
Prazosin Hcl	Prazosin Hcl	21	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	21	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	20	suppressed
Jardiance	Empagliflozin	20	suppressed
Ultra-Fine Nano Pen Needle	Pen Needle, Diabetic	20	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	19	suppressed
Levetiracetam Er	Levetiracetam	19	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	19	suppressed
Xarelto	Rivaroxaban	19	suppressed
Alendronate Sodium	Alendronate Sodium	18	suppressed
Duloxetine Hcl	Duloxetine Hcl	18	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	18	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	18	suppressed
Spironolactone	Spironolactone	18	suppressed
Aripiprazole	Aripiprazole	17	suppressed
Diltiazem 24hr Er (La)	Diltiazem Hcl	17	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	17	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	17	suppressed
Meclizine Hcl	Meclizine Hcl	17	suppressed
Methenamine Hippurate	Methenamine Hippurate	17	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	17	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	16	13
Ozempic	Semaglutide	16	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	16	suppressed
Amantadine	Amantadine Hcl	15	suppressed
Calcitriol	Calcitriol	15	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	15	suppressed
Glipizide	Glipizide	15	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	15	suppressed
Bupropion Hcl	Bupropion Hcl	14	suppressed
Chlorthalidone	Chlorthalidone	14	suppressed
Fenofibrate	Fenofibrate	14	suppressed
Rasagiline Mesylate	Rasagiline Mesylate	14	suppressed
Ropinirole Er	Ropinirole Hcl	14	suppressed
Torsemide	Torsemide	14	suppressed
Brilinta	Ticagrelor	13	suppressed
Calcitonin-Salmon	Calcitonin,salmon,synthetic	13	suppressed
Carbamazepine Er	Carbamazepine	13	suppressed
Creon	Lipase/Protease/Amylase	13	suppressed
Digoxin	Digoxin	13	suppressed
Doxepin Hcl	Doxepin Hcl	13	suppressed
Enalapril Maleate	Enalapril Maleate	13	suppressed
Estradiol	Estradiol	13	suppressed
Humulin R	Insulin Regular, Human	13	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	13	suppressed
Ramelteon	Ramelteon	13	suppressed
Rhopressa	Netarsudil Mesylate	13	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Colchicine	Colchicine	12	suppressed
Diazepam	Diazepam	12	suppressed
Fosfomycin Tromethamine	Fosfomycin Tromethamine	12	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Neomycin-Polymyxin-Dexameth	Neomycin/Polymyxin B/Dexametha	12	suppressed
Nuedexta	Dextromethorphan Hbr/Quinidine	12	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	11	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	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