Healthcare provider profile · identity verified

William F Duboyce, MD

Internal Medicine · MITCHELLVILLE, MD · NPI 1619976438

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	526	153
Atorvastatin Calcium	Atorvastatin Calcium	479	144
Rosuvastatin Calcium	Rosuvastatin Calcium	262	89
Losartan Potassium	Losartan Potassium	241	67
Metoprolol Succinate	Metoprolol Succinate	214	63
Metformin Hcl	Metformin Hcl	189	59
Pantoprazole Sodium	Pantoprazole Sodium	160	52
Levothyroxine Sodium	Levothyroxine Sodium	154	38
Montelukast Sodium	Montelukast Sodium	142	39
Pravastatin Sodium	Pravastatin Sodium	131	35
Gabapentin	Gabapentin	129	33
Tamsulosin Hcl	Tamsulosin Hcl	120	30
Allopurinol	Allopurinol	104	27
Hydrochlorothiazide	Hydrochlorothiazide	101	33
Carvedilol	Carvedilol	92	27
Albuterol Sulfate Hfa	Albuterol Sulfate	87	34
Clopidogrel	Clopidogrel Bisulfate	85	26
Valsartan	Valsartan	85	28
Trazodone Hcl	Trazodone Hcl	76	28
Eliquis	Apixaban	74	19
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	74	23
Lisinopril	Lisinopril	70	20
Meloxicam	Meloxicam	70	20
Telmisartan	Telmisartan	70	21
Nifedipine Er	Nifedipine	62	21
Simvastatin	Simvastatin	62	19
Hydralazine Hcl	Hydralazine Hcl	60	21
Furosemide	Furosemide	58	21
Jardiance	Empagliflozin	56	18
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	56	16
Duloxetine Hcl	Duloxetine Hcl	54	17
Alprazolam	Alprazolam	53	14
Famotidine	Famotidine	53	22
Alendronate Sodium	Alendronate Sodium	50	11
Spironolactone	Spironolactone	50	14
Glimepiride	Glimepiride	49	14
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	47	17
Ibandronate Sodium	Ibandronate Sodium	43	16
Atenolol	Atenolol	42	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	42	41
Clonidine	Clonidine	41	12
Metformin Hcl Er	Metformin Hcl	41	12
Olmesartan Medoxomil	Olmesartan Medoxomil	41	12
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	41	suppressed
Celecoxib	Celecoxib	40	16
Ezetimibe	Ezetimibe	40	11
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	39	12
Hydroxyzine Hcl	Hydroxyzine Hcl	38	13
Omeprazole	Omeprazole	37	11
Valacyclovir	Valacyclovir Hcl	37	15
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	36	14
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	35	suppressed
Mirtazapine	Mirtazapine	33	13
Trulicity	Dulaglutide	33	11
Doxazosin Mesylate	Doxazosin Mesylate	32	suppressed
Diclofenac Sodium	Diclofenac Sodium	31	12
Linzess	Linaclotide	31	suppressed
Azelastine Hcl	Azelastine Hcl	29	11
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	27	suppressed
Fluticasone Propionate	Fluticasone Propionate	27	16
Levetiracetam	Levetiracetam	27	suppressed
Carvedilol Er	Carvedilol Phosphate	26	suppressed
Tramadol Hcl	Tramadol Hcl	26	11
Candesartan Cilexetil	Candesartan Cilexetil	25	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	25	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	25	suppressed
Carbamazepine	Carbamazepine	24	suppressed
Cefuroxime	Cefuroxime Axetil	24	22
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	24	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	24	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	23	suppressed
Januvia	Sitagliptin Phosphate	23	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	23	suppressed
Olmesartan-Amlodipine-Hctz	Olmesartan/Amlodipin/Hcthiazid	23	suppressed
Potassium Chloride	Potassium Chloride	23	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	23	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	22	13
Baclofen	Baclofen	21	suppressed
Colchicine	Colchicine	21	14
Ozempic	Semaglutide	20	suppressed
Synthroid	Levothyroxine Sodium	20	suppressed
Azelastine-Fluticasone	Azelastine/Fluticasone	19	suppressed
Labetalol Hcl	Labetalol Hcl	19	suppressed
Methylprednisolone	Methylprednisolone	19	17
Quetiapine Fumarate	Quetiapine Fumarate	19	suppressed
Finasteride	Finasteride	18	suppressed
Ibuprofen	Ibuprofen	18	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	18	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	18	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Chlorthalidone	Chlorthalidone	17	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	17	suppressed
Sucralfate	Sucralfate	17	suppressed
Amlodipine-Olmesartan	Amlodipine Bes/Olmesartan Med	16	suppressed
Donepezil Hcl	Donepezil Hcl	16	suppressed
Mounjaro	Tirzepatide	16	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	16	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	14
Ammonium Lactate	Ammonium Lactate	15	11
Calcitriol	Calcitriol	15	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	15	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	15	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	15	suppressed
Acyclovir	Acyclovir	14	suppressed
Amlodipine-Atorvastatin	Amlodipine/Atorvastatin	14	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	14	suppressed
Glipizide Er	Glipizide	14	suppressed
Naproxen	Naproxen	14	suppressed
Oxycodone Hcl	Oxycodone Hcl	14	suppressed
Temazepam	Temazepam	14	suppressed
Clonazepam	Clonazepam	13	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	13	suppressed
Irbesartan	Irbesartan	13	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	13	suppressed
Prednisone	Prednisone	13	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	12	suppressed
Digoxin	Digoxin	12	suppressed
Lovastatin	Lovastatin	12	suppressed
Amoxicillin	Amoxicillin	11	11
Bromocriptine Mesylate	Bromocriptine Mesylate	11	suppressed
Citalopram Hbr	Citalopram Hydrobromide	11	suppressed
Dimethyl Fumarate	Dimethyl Fumarate	11	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	11	suppressed
Felodipine Er	Felodipine	11	suppressed
Lansoprazole	Lansoprazole	11	suppressed
Lidocaine	Lidocaine	11	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	11	suppressed
Pregabalin	Pregabalin	11	suppressed
Sertraline Hcl	Sertraline Hcl	11	suppressed
Tresiba Flextouch U-200	Insulin Degludec	11	suppressed
Varenicline Tartrate	Varenicline 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

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