Healthcare provider profile · identity verified

John P Doweiko, M.D.

Internal Medicine · BOSTON, MA · NPI 1780799585

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
Amlodipine Besylate	Amlodipine Besylate	461	133
Atorvastatin Calcium	Atorvastatin Calcium	405	111
Lisinopril	Lisinopril	329	93
Biktarvy	Bictegrav/Emtricit/Tenofov Ala	318	34
Lorazepam	Lorazepam	287	48
Rosuvastatin Calcium	Rosuvastatin Calcium	272	81
Omeprazole	Omeprazole	245	81
Levothyroxine Sodium	Levothyroxine Sodium	234	60
Metoprolol Succinate	Metoprolol Succinate	224	70
Oxycodone Hcl	Oxycodone Hcl	217	39
Clonazepam	Clonazepam	216	33
Gabapentin	Gabapentin	202	47
Losartan Potassium	Losartan Potassium	194	54
Pravastatin Sodium	Pravastatin Sodium	185	47
Tamsulosin Hcl	Tamsulosin Hcl	156	51
Testosterone	Testosterone	151	24
Metformin Hcl	Metformin Hcl	147	40
Simvastatin	Simvastatin	139	37
Hydrochlorothiazide	Hydrochlorothiazide	136	34
Allopurinol	Allopurinol	128	29
Isentress	Raltegravir Potassium	124	14
Pantoprazole Sodium	Pantoprazole Sodium	124	36
Metformin Hcl Er	Metformin Hcl	122	37
Tivicay	Dolutegravir Sodium	118	14
Ezetimibe	Ezetimibe	113	25
Albuterol Sulfate Hfa	Albuterol Sulfate	111	37
Finasteride	Finasteride	106	29
Chlorthalidone	Chlorthalidone	102	31
Famotidine	Famotidine	97	18
Genvoya	Elviteg/Cob/Emtri/Tenof Alafen	97	suppressed
Eliquis	Apixaban	95	24
Descovy	Emtricitabine/Tenofov Alafenam	91	12
Jardiance	Empagliflozin	89	20
Alprazolam	Alprazolam	78	18
Carvedilol	Carvedilol	77	19
Ritonavir	Ritonavir	75	suppressed
Lamivudine	Lamivudine	72	suppressed
Fluticasone Propionate	Fluticasone Propionate	67	22
Zolpidem Tartrate	Zolpidem Tartrate	67	16
Emtricitabine	Emtricitabine	63	11
Odefsey	Emtricitab/Rilpiviri/Tenof Ala	62	suppressed
Oxycontin	Oxycodone Hcl	62	suppressed
Acyclovir	Acyclovir	61	13
Ventolin Hfa	Albuterol Sulfate	60	15
Alendronate Sodium	Alendronate Sodium	59	17
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	59	15
Duloxetine Hcl	Duloxetine Hcl	58	14
Valacyclovir	Valacyclovir Hcl	57	21
Ozempic	Semaglutide	56	15
Venlafaxine Hcl Er	Venlafaxine Hcl	56	14
Escitalopram Oxalate	Escitalopram Oxalate	55	15
Mounjaro	Tirzepatide	53	suppressed
Etravirine	Etravirine	52	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	52	13
Sertraline Hcl	Sertraline Hcl	52	16
Juluca	Dolutegravir/Rilpivirine	50	suppressed
Spironolactone	Spironolactone	50	11
Clopidogrel	Clopidogrel Bisulfate	47	suppressed
Emtricitabine-Tenofovir Disop	Emtricitabine/Tenofovir (Tdf)	47	suppressed
Naproxen	Naproxen	47	11
Creon	Lipase/Protease/Amylase	46	11
Mirtazapine	Mirtazapine	44	suppressed
Synthroid	Levothyroxine Sodium	44	suppressed
Bupropion Hcl Sr	Bupropion Hcl	41	suppressed
Citalopram Hbr	Citalopram Hydrobromide	41	12
Diclofenac Sodium	Diclofenac Sodium	41	12
Evotaz	Atazanavir Sulfate/Cobicistat	40	suppressed
Irbesartan	Irbesartan	40	12
Trulicity	Dulaglutide	39	13
Paroxetine Hcl	Paroxetine Hcl	38	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	38	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	38	20
Furosemide	Furosemide	37	11
Celecoxib	Celecoxib	35	suppressed
Darunavir	Darunavir	35	suppressed
Lidocaine	Lidocaine	35	12
Propranolol Hcl	Propranolol Hcl	35	11
Baclofen	Baclofen	34	suppressed
Bupropion Xl	Bupropion Hcl	34	suppressed
Loperamide	Loperamide Hcl	34	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	34	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	33	suppressed
Ipratropium Bromide	Ipratropium Bromide	33	16
Tramadol Hcl	Tramadol Hcl	32	11
Trazodone Hcl	Trazodone Hcl	32	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	31	19
Hydromorphone Hcl	Hydromorphone Hcl	31	suppressed
Ibuprofen	Ibuprofen	31	11
Atenolol	Atenolol	30	suppressed
Morphine Sulfate Er	Morphine Sulfate	30	suppressed
Prednisone	Prednisone	30	19
Warfarin Sodium	Warfarin Sodium	30	suppressed
Complera	Emtricita/Rilpivirine/Tenof Df	29	suppressed
Propranolol Hcl Er	Propranolol Hcl	29	suppressed
Testosterone Cypionate	Testosterone Cypionate	29	suppressed
Atazanavir Sulfate	Atazanavir Sulfate	28	suppressed
Prezcobix	Darunavir/Cobicistat	28	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	28	suppressed
Edurant	Rilpivirine Hcl	27	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	26	suppressed
Amoxicillin	Amoxicillin	26	14
Doxepin Hcl	Doxepin Hcl	26	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	26	suppressed
Pifeltro	Doravirine	26	suppressed
Repatha Syringe	Evolocumab	26	suppressed
Terazosin Hcl	Terazosin Hcl	26	suppressed
Abacavir-Lamivudine	Abacavir Sulfate/Lamivudine	25	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	25	suppressed
Xarelto	Rivaroxaban	25	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	24	suppressed
Hydrocortisone	Hydrocortisone	24	suppressed
Levetiracetam	Levetiracetam	24	suppressed
Oxazepam	Oxazepam	24	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	23	suppressed
Methadone Hcl	Methadone Hcl	23	suppressed
Diazepam	Diazepam	22	suppressed
Efavirenz	Efavirenz	22	suppressed
Myrbetriq	Mirabegron	22	suppressed
Torsemide	Torsemide	22	suppressed
Breo Ellipta	Fluticasone/Vilanterol	21	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	21	suppressed
Pregabalin	Pregabalin	21	suppressed
Topiramate	Topiramate	21	suppressed
Dovato	Dolutegravir Sodium/Lamivudine	20	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	20	suppressed
Buspirone Hcl	Buspirone Hcl	19	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	19	suppressed
Eszopiclone	Eszopiclone	19	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	19	suppressed
Potassium Chloride	Potassium Chloride	19	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	18	suppressed
Nifedipine Er	Nifedipine	18	suppressed
Symtuza	Darunavir/Cob/Emtri/Tenof Alaf	18	suppressed
Varenicline Tartrate	Varenicline Tartrate	18	suppressed
Lamotrigine	Lamotrigine	17	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	17	suppressed
Memantine Hcl	Memantine Hcl	17	suppressed
Praluent Pen	Alirocumab	17	suppressed
Ramelteon	Ramelteon	17	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	16	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	16	suppressed
Temazepam	Temazepam	16	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	15	suppressed
Atovaquone	Atovaquone	15	suppressed
Cefpodoxime Proxetil	Cefpodoxime Proxetil	15	suppressed
Maraviroc	Maraviroc	15	suppressed
Nitroglycerin	Nitroglycerin	15	suppressed
Adderall Xr	Dextroamphetamine/Amphetamine	14	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	14	suppressed
Nevirapine	Nevirapine	14	suppressed
Nystatin	Nystatin	14	suppressed
Ondansetron Odt	Ondansetron	14	suppressed
Repatha Sureclick	Evolocumab	14	suppressed
Sildenafil Citrate	Sildenafil Citrate	14	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	14	suppressed
Cephalexin	Cephalexin	13	11
Dextroamphetamine Sulfate	Dextroamphetamine Sulfate	13	suppressed
Efavirenz-Lamivu-Tenofov Disop	Efavirenz/Lamivu/Tenofov Disop	13	suppressed
Hydralazine Hcl	Hydralazine Hcl	13	suppressed
Ms Contin	Morphine Sulfate	13	suppressed
Acetazolamide	Acetazolamide	12	suppressed
Azelastine Hcl	Azelastine Hcl	12	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	12	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	12	suppressed
Ketoconazole	Ketoconazole	12	suppressed
Labetalol Hcl	Labetalol Hcl	12	suppressed
Montelukast Sodium	Montelukast Sodium	12	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	12	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	12	suppressed
Belsomra	Suvorexant	11	suppressed
Calcitriol	Calcitriol	11	suppressed
Erythromycin	Erythromycin Base	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	11	suppressed
Movantik	Naloxegol Oxalate	11	suppressed
Percocet	Oxycodone Hcl/Acetaminophen	11	suppressed
Trospium Chloride	Trospium Chloride	11	suppressed
Valsartan	Valsartan	11	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	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