Healthcare provider profile · identity verified

Ronald L Warner, MD

Internal Medicine · HYDE PARK, MA · NPI 1558356568

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	865	216
Eliquis	Apixaban	552	61
Amlodipine Besylate	Amlodipine Besylate	513	119
Losartan Potassium	Losartan Potassium	511	119
Metoprolol Succinate	Metoprolol Succinate	384	85
Furosemide	Furosemide	331	53
Lisinopril	Lisinopril	320	76
Trazodone Hcl	Trazodone Hcl	319	52
Gabapentin	Gabapentin	310	66
Omeprazole	Omeprazole	288	77
Levothyroxine Sodium	Levothyroxine Sodium	284	67
Mirtazapine	Mirtazapine	208	31
Rosuvastatin Calcium	Rosuvastatin Calcium	208	55
Tamsulosin Hcl	Tamsulosin Hcl	206	38
Sertraline Hcl	Sertraline Hcl	198	29
Metformin Hcl	Metformin Hcl	172	39
Famotidine	Famotidine	158	45
Lorazepam	Lorazepam	158	33
Albuterol Sulfate Hfa	Albuterol Sulfate	152	46
Metformin Hcl Er	Metformin Hcl	146	41
Oxycodone Hcl	Oxycodone Hcl	137	33
Simvastatin	Simvastatin	129	27
Escitalopram Oxalate	Escitalopram Oxalate	123	20
Tramadol Hcl	Tramadol Hcl	117	22
Trulicity	Dulaglutide	114	22
Valsartan	Valsartan	106	24
Atenolol	Atenolol	104	21
Alendronate Sodium	Alendronate Sodium	103	23
Hydrochlorothiazide	Hydrochlorothiazide	103	30
Jardiance	Empagliflozin	101	25
Duloxetine Hcl	Duloxetine Hcl	97	17
Finasteride	Finasteride	96	17
Quetiapine Fumarate	Quetiapine Fumarate	93	15
Pantoprazole Sodium	Pantoprazole Sodium	91	20
Citalopram Hbr	Citalopram Hydrobromide	89	20
Allopurinol	Allopurinol	87	17
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	84	22
Metoprolol Tartrate	Metoprolol Tartrate	81	16
Fluticasone Propionate	Fluticasone Propionate	80	34
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	78	17
Ezetimibe	Ezetimibe	72	22
Januvia	Sitagliptin Phosphate	72	13
Lidocaine	Lidocaine	72	21
Carvedilol	Carvedilol	70	16
Potassium Chloride	Potassium Chloride	65	14
Ozempic	Semaglutide	64	17
Prednisone	Prednisone	64	30
Brimonidine Tartrate	Brimonidine Tartrate	62	suppressed
Donepezil Hcl	Donepezil Hcl	61	suppressed
Glipizide Er	Glipizide	60	13
Pregabalin	Pregabalin	59	13
Clonazepam	Clonazepam	58	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	56	28
Mounjaro	Tirzepatide	55	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	54	suppressed
Ibuprofen	Ibuprofen	54	17
Olanzapine	Olanzapine	54	13
Latanoprost	Latanoprost	53	suppressed
Myrbetriq	Mirabegron	53	suppressed
Paroxetine Hcl	Paroxetine Hcl	50	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	49	15
Torsemide	Torsemide	49	13
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	48	12
Tizanidine Hcl	Tizanidine Hcl	47	15
Memantine Hcl	Memantine Hcl	42	suppressed
Xarelto	Rivaroxaban	42	suppressed
Meloxicam	Meloxicam	40	13
Ondansetron Hcl	Ondansetron Hcl	40	16
Celecoxib	Celecoxib	39	suppressed
Labetalol Hcl	Labetalol Hcl	39	suppressed
Meclizine Hcl	Meclizine Hcl	39	12
Nifedipine Er	Nifedipine	39	suppressed
Divalproex Sodium	Divalproex Sodium	38	suppressed
Humalog Kwikpen U-100	Insulin Lispro	38	suppressed
Spironolactone	Spironolactone	38	suppressed
Clonidine Hcl	Clonidine Hcl	37	suppressed
Diclofenac Sodium	Diclofenac Sodium	37	19
Risperidone	Risperidone	37	suppressed
Propranolol Hcl	Propranolol Hcl	36	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	36	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	33	suppressed
Hydralazine Hcl	Hydralazine Hcl	33	11
Oxybutynin Chloride Er	Oxybutynin Chloride	33	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	32	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	31	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	31	suppressed
Pravastatin Sodium	Pravastatin Sodium	31	suppressed
Ketoconazole	Ketoconazole	30	11
Nystatin	Nystatin	30	15
Esomeprazole Magnesium	Esomeprazole Magnesium	29	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	29	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	29	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	28	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	27	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	26	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	26	suppressed
Belsomra	Suvorexant	26	suppressed
Clopidogrel	Clopidogrel Bisulfate	25	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	25	14
Baclofen	Baclofen	24	suppressed
Ondansetron Odt	Ondansetron	24	13
Ropinirole Hcl	Ropinirole Hcl	24	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	24	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	24	suppressed
Ammonium Lactate	Ammonium Lactate	23	suppressed
Methenamine Hippurate	Methenamine Hippurate	23	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	22	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	22	suppressed
Novolog Flexpen	Insulin Aspart	22	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	22	16
Amoxicillin	Amoxicillin	21	14
Dorzolamide Hcl	Dorzolamide Hcl	21	suppressed
Montelukast Sodium	Montelukast Sodium	21	suppressed
Topiramate	Topiramate	21	suppressed
Alprazolam	Alprazolam	20	suppressed
Bupropion Xl	Bupropion Hcl	20	suppressed
Brilinta	Ticagrelor	19	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	19	15
Mupirocin	Mupirocin	19	suppressed
Nyamyc	Nystatin	19	13
Spiriva Handihaler	Tiotropium Bromide	19	suppressed
Valacyclovir	Valacyclovir Hcl	19	suppressed
Ventolin Hfa	Albuterol Sulfate	19	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	18	suppressed
Ipratropium Bromide	Ipratropium Bromide	18	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	18	18
Diazepam	Diazepam	17	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	17	14
Levemir Flexpen	Insulin Detemir	17	suppressed
Lovastatin	Lovastatin	17	suppressed
Prazosin Hcl	Prazosin Hcl	17	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	16	suppressed
Azithromycin	Azithromycin	16	11
Colchicine	Colchicine	16	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	16	11
Linzess	Linaclotide	16	suppressed
Methocarbamol	Methocarbamol	16	suppressed
Fluconazole	Fluconazole	15	suppressed
Midodrine Hcl	Midodrine Hcl	15	suppressed
Nystop	Nystatin	15	suppressed
Arnuity Ellipta	Fluticasone Furoate	14	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	14	11
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	14	suppressed
Insulin Lispro	Insulin Lispro	14	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	14	suppressed
Insulin Syringe	Syringe And Needle,insulin,1ml	14	suppressed
Levetiracetam	Levetiracetam	14	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	13	suppressed
Acyclovir	Acyclovir	13	suppressed
Dilt-Xr	Diltiazem Hcl	13	suppressed
Dutasteride	Dutasteride	13	suppressed
Fluocinonide	Fluocinonide	13	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	13	suppressed
Klor-Con M20	Potassium Chloride	13	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Amantadine	Amantadine Hcl	12	suppressed
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	12	suppressed
Cephalexin	Cephalexin	12	suppressed
Glimepiride	Glimepiride	12	suppressed
Incruse Ellipta	Umeclidinium Bromide	12	suppressed
Lumigan	Bimatoprost	12	suppressed
Naproxen	Naproxen	12	suppressed
Paliperidone Er	Paliperidone	12	suppressed
Pradaxa	Dabigatran Etexilate Mesylate	12	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	12	suppressed
Testosterone Cypionate	Testosterone Cypionate	12	suppressed
Tradjenta	Linagliptin	12	suppressed
Albuterol Sulfate	Albuterol Sulfate	11	suppressed
Aripiprazole	Aripiprazole	11	suppressed
Atovaquone	Atovaquone	11	suppressed
Bumetanide	Bumetanide	11	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	11	suppressed
Entresto	Sacubitril/Valsartan	11	suppressed
Hydrocortisone	Hydrocortisone	11	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	11	suppressed
Rivastigmine	Rivastigmine Tartrate	11	suppressed
Sevelamer Carbonate	Sevelamer Carbonate	11	suppressed
Synthroid	Levothyroxine Sodium	11	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	11	suppressed
Verapamil Er	Verapamil Hcl	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