Healthcare provider profile · identity verified

Robert B Maguire, MD

Internal Medicine · OTTAWA, IL · NPI 1174571673

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	933	123
Levothyroxine Sodium	Levothyroxine Sodium	773	84
Warfarin Sodium	Warfarin Sodium	705	14
Furosemide	Furosemide	665	118
Eliquis	Apixaban	608	62
Gabapentin	Gabapentin	512	86
Potassium Chloride	Potassium Chloride	505	95
Lisinopril	Lisinopril	321	59
Losartan Potassium	Losartan Potassium	266	37
Sertraline Hcl	Sertraline Hcl	266	35
Donepezil Hcl	Donepezil Hcl	260	34
Metformin Hcl	Metformin Hcl	258	38
Amlodipine Besylate	Amlodipine Besylate	249	44
Tamsulosin Hcl	Tamsulosin Hcl	227	35
Metoprolol Tartrate	Metoprolol Tartrate	222	45
Clopidogrel	Clopidogrel Bisulfate	217	24
Jardiance	Empagliflozin	207	35
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	205	21
Memantine Hcl	Memantine Hcl	200	23
Metoprolol Succinate	Metoprolol Succinate	198	53
Spironolactone	Spironolactone	179	44
Allopurinol	Allopurinol	178	26
Pantoprazole Sodium	Pantoprazole Sodium	161	26
Omeprazole	Omeprazole	150	38
Trazodone Hcl	Trazodone Hcl	150	33
Carvedilol	Carvedilol	147	26
Divalproex Sodium	Divalproex Sodium	146	34
Prednisone	Prednisone	146	87
Mirtazapine	Mirtazapine	136	22
Simvastatin	Simvastatin	136	17
Hydrochlorothiazide	Hydrochlorothiazide	133	14
Cephalexin	Cephalexin	125	67
Duloxetine Hcl	Duloxetine Hcl	112	13
Escitalopram Oxalate	Escitalopram Oxalate	102	26
Xarelto	Rivaroxaban	97	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	91	23
Hydralazine Hcl	Hydralazine Hcl	87	17
Digoxin	Digoxin	85	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	83	suppressed
Citalopram Hbr	Citalopram Hydrobromide	80	11
Buspirone Hcl	Buspirone Hcl	76	suppressed
Alendronate Sodium	Alendronate Sodium	75	13
Midodrine Hcl	Midodrine Hcl	75	14
Myrbetriq	Mirabegron	73	suppressed
Latanoprost	Latanoprost	71	14
Sucralfate	Sucralfate	71	12
Ezetimibe	Ezetimibe	67	suppressed
Levetiracetam	Levetiracetam	67	13
Tramadol Hcl	Tramadol Hcl	67	44
Novolog Flexpen	Insulin Aspart	66	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	62	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	60	11
Lactulose	Lactulose	59	11
Meclizine Hcl	Meclizine Hcl	57	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	56	12
Cefdinir	Cefdinir	54	47
Ropinirole Hcl	Ropinirole Hcl	50	suppressed
Famotidine	Famotidine	48	17
Glimepiride	Glimepiride	48	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	48	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	47	suppressed
Baclofen	Baclofen	46	suppressed
Lorazepam	Lorazepam	46	37
Torsemide	Torsemide	46	14
Bupropion Xl	Bupropion Hcl	43	suppressed
Enalapril Maleate	Enalapril Maleate	43	suppressed
Bupropion Hcl Sr	Bupropion Hcl	42	suppressed
Clonidine Hcl	Clonidine Hcl	42	suppressed
Nystatin	Nystatin	42	20
Humalog Kwikpen U-100	Insulin Lispro	41	13
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	41	25
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	41	suppressed
Morphine Sulfate	Morphine Sulfate	41	39
Albuterol Sulfate Hfa	Albuterol Sulfate	40	31
Pravastatin Sodium	Pravastatin Sodium	40	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	39	suppressed
Ondansetron Hcl	Ondansetron Hcl	39	26
Amiodarone Hcl	Amiodarone Hcl	38	suppressed
Januvia	Sitagliptin Phosphate	38	suppressed
Montelukast Sodium	Montelukast Sodium	38	suppressed
Albuterol Sulfate	Albuterol Sulfate	37	12
Nifedipine Er	Nifedipine	37	suppressed
Propranolol Hcl	Propranolol Hcl	36	suppressed
Azithromycin	Azithromycin	34	31
Namzaric	Memantine Hcl/Donepezil Hcl	34	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	33	26
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	33	suppressed
Raloxifene Hcl	Raloxifene Hcl	33	suppressed
Diltiazem Hcl	Diltiazem Hcl	32	suppressed
Metolazone	Metolazone	32	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	32	23
Oxybutynin Chloride	Oxybutynin Chloride	32	suppressed
Xifaxan	Rifaximin	32	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	31	suppressed
Fluticasone Propionate	Fluticasone Propionate	30	14
Hydroxyzine Hcl	Hydroxyzine Hcl	30	13
Insulin Lispro Kwikpen U-100	Insulin Lispro	30	suppressed
Primidone	Primidone	30	suppressed
Bethanechol Chloride	Bethanechol Chloride	29	suppressed
Entresto	Sacubitril/Valsartan	29	suppressed
Lovastatin	Lovastatin	29	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	28	14
Dexamethasone	Dexamethasone	27	23
Doxycycline Hyclate	Doxycycline Hyclate	27	18
Incruse Ellipta	Umeclidinium Bromide	27	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	27	14
Glipizide	Glipizide	26	suppressed
Paroxetine Hcl	Paroxetine Hcl	26	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	25	13
Daptomycin	Daptomycin	25	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	25	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	25	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	25	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	25	suppressed
Nuplazid	Pimavanserin Tartrate	25	suppressed
Topiramate	Topiramate	25	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	24	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	24	suppressed
Solifenacin Succinate	Solifenacin Succinate	24	suppressed
Vancomycin Hcl	Vancomycin Hcl	24	suppressed
Gemtesa	Vibegron	23	suppressed
Timolol Maleate	Timolol Maleate	23	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	23	suppressed
Amantadine	Amantadine Hcl	22	suppressed
Calcitriol	Calcitriol	22	suppressed
Diltiazem 24hr Er (La)	Diltiazem Hcl	22	suppressed
Farxiga	Dapagliflozin Propanediol	22	suppressed
Divalproex Sodium Er	Divalproex Sodium	21	suppressed
Labetalol Hcl	Labetalol Hcl	21	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	20	suppressed
Levofloxacin	Levofloxacin	20	15
Nortriptyline Hcl	Nortriptyline Hcl	20	suppressed
Trimethoprim	Trimethoprim	20	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	19	12
Atenolol	Atenolol	18	suppressed
Diclofenac Sodium	Diclofenac Sodium	18	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	18	suppressed
Rytary	Carbidopa/Levodopa	18	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	17	12
Tolterodine Tartrate Er	Tolterodine Tartrate	17	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	16	suppressed
Lamotrigine	Lamotrigine	16	suppressed
Prednisolone Acetate	Prednisolone Acetate	16	suppressed
Ranolazine Er	Ranolazine	16	suppressed
Sevelamer Hcl	Sevelamer Hcl	16	suppressed
Trulicity	Dulaglutide	16	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	16	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	15	15
Benztropine Mesylate	Benztropine Mesylate	15	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	15	suppressed
Dorzolamide Hcl	Dorzolamide Hcl	15	suppressed
Insulin Aspart Flexpen	Insulin Aspart	15	suppressed
Insulin Lispro	Insulin Lispro	15	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	15	suppressed
Novofine Autocover	Pen Needle, Diabetic, Safety	15	suppressed
Nystop	Nystatin	15	12
Penicillin V Potassium	Penicillin V Potassium	15	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	15	suppressed
Restasis	Cyclosporine	15	suppressed
Risperidone	Risperidone	15	suppressed
Spiriva Handihaler	Tiotropium Bromide	15	suppressed
Letrozole	Letrozole	14	suppressed
Meropenem	Meropenem	14	suppressed
Phenytoin	Phenytoin	14	suppressed
Sodium Chloride	0.9 % Sodium Chloride	14	11
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	14	suppressed
Celecoxib	Celecoxib	13	suppressed
Clarithromycin	Clarithromycin	13	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	13	suppressed
Gvoke Hypopen 1-Pack	Glucagon	13	suppressed
Haloperidol Lactate	Haloperidol Lactate	13	suppressed
Ketoconazole	Ketoconazole	13	suppressed
Olanzapine	Olanzapine	13	suppressed
Clindamycin Hcl	Clindamycin Hcl	12	suppressed
Dutasteride	Dutasteride	12	suppressed
Loperamide	Loperamide Hcl	12	suppressed
Riluzole	Riluzole	12	suppressed
Tizanidine Hcl	Tizanidine Hcl	12	suppressed
Breo Ellipta	Fluticasone/Vilanterol	11	suppressed
Finasteride	Finasteride	11	suppressed
Lokelma	Sodium Zirconium Cyclosilicate	11	suppressed
Terazosin Hcl	Terazosin Hcl	11	suppressed
Tiotropium Bromide	Tiotropium Bromide	11	suppressed
Tresiba Flextouch U-100	Insulin Degludec	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