Healthcare provider profile · identity verified

Stephen M Sproul, MD

Family Practice · MOUNT PROSPECT, IL · NPI 1427030451

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
Gabapentin	Gabapentin	382	118
Atorvastatin Calcium	Atorvastatin Calcium	367	118
Lisinopril	Lisinopril	337	109
Amlodipine Besylate	Amlodipine Besylate	293	91
Levothyroxine Sodium	Levothyroxine Sodium	270	86
Losartan Potassium	Losartan Potassium	246	74
Albuterol Sulfate Hfa	Albuterol Sulfate	208	83
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	181	50
Metformin Hcl	Metformin Hcl	178	71
Omeprazole	Omeprazole	176	64
Rosuvastatin Calcium	Rosuvastatin Calcium	174	56
Tamsulosin Hcl	Tamsulosin Hcl	160	60
Simvastatin	Simvastatin	142	42
Metoprolol Succinate	Metoprolol Succinate	132	48
Oxycodone Hcl	Oxycodone Hcl	128	35
Trazodone Hcl	Trazodone Hcl	127	43
Hydrochlorothiazide	Hydrochlorothiazide	119	37
Fluticasone Propionate	Fluticasone Propionate	116	34
Tramadol Hcl	Tramadol Hcl	104	23
Prednisone	Prednisone	100	45
Lorazepam	Lorazepam	95	30
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	87	31
Montelukast Sodium	Montelukast Sodium	76	21
Pantoprazole Sodium	Pantoprazole Sodium	76	24
Fluoxetine Hcl	Fluoxetine Hcl	70	16
Famotidine	Famotidine	69	29
Furosemide	Furosemide	68	27
Tizanidine Hcl	Tizanidine Hcl	63	22
Allopurinol	Allopurinol	62	22
Ondansetron Hcl	Ondansetron Hcl	62	19
Buspirone Hcl	Buspirone Hcl	61	20
Metoprolol Tartrate	Metoprolol Tartrate	61	19
Finasteride	Finasteride	59	19
Sertraline Hcl	Sertraline Hcl	59	22
Carvedilol	Carvedilol	58	22
Bupropion Xl	Bupropion Hcl	56	16
Ozempic	Semaglutide	55	13
Escitalopram Oxalate	Escitalopram Oxalate	54	14
Mirtazapine	Mirtazapine	54	16
Symbicort	Budesonide/Formoterol Fumarate	53	15
Citalopram Hbr	Citalopram Hydrobromide	51	22
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	50	16
Eliquis	Apixaban	48	16
Metformin Hcl Er	Metformin Hcl	48	16
Alendronate Sodium	Alendronate Sodium	46	17
Hydroxyzine Hcl	Hydroxyzine Hcl	46	19
Meloxicam	Meloxicam	46	14
Pravastatin Sodium	Pravastatin Sodium	45	14
Duloxetine Hcl	Duloxetine Hcl	42	14
Clonazepam	Clonazepam	41	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	41	12
Propranolol Hcl	Propranolol Hcl	41	11
Triamcinolone Acetonide	Triamcinolone Acetonide	40	21
Levetiracetam	Levetiracetam	39	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	39	13
Solifenacin Succinate	Solifenacin Succinate	39	suppressed
Spironolactone	Spironolactone	39	13
Clopidogrel	Clopidogrel Bisulfate	38	13
Alprazolam	Alprazolam	37	13
Celecoxib	Celecoxib	37	13
Ropinirole Hcl	Ropinirole Hcl	37	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	36	13
Aripiprazole	Aripiprazole	35	suppressed
Naproxen	Naproxen	35	16
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	34	suppressed
Pregabalin	Pregabalin	34	13
Donepezil Hcl	Donepezil Hcl	33	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	31	26
Glipizide Er	Glipizide	31	11
Ibuprofen	Ibuprofen	31	17
Meclizine Hcl	Meclizine Hcl	31	suppressed
Glipizide	Glipizide	29	11
Lamotrigine	Lamotrigine	29	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	29	suppressed
Baclofen	Baclofen	28	11
Bupropion Hcl Sr	Bupropion Hcl	28	suppressed
Farxiga	Dapagliflozin Propanediol	27	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	26	suppressed
Estradiol	Estradiol	26	suppressed
Ezetimibe	Ezetimibe	26	suppressed
Jardiance	Empagliflozin	26	suppressed
Diclofenac Sodium	Diclofenac Sodium	25	11
Januvia	Sitagliptin Phosphate	25	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	24	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	24	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	23	suppressed
Mupirocin	Mupirocin	23	19
Valsartan	Valsartan	23	suppressed
Rizatriptan	Rizatriptan Benzoate	22	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	21	suppressed
Chlorthalidone	Chlorthalidone	20	suppressed
Mounjaro	Tirzepatide	20	suppressed
Amoxicillin	Amoxicillin	19	14
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	19	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	19	suppressed
Lovastatin	Lovastatin	19	suppressed
Potassium Chloride	Potassium Chloride	19	suppressed
Trulicity	Dulaglutide	19	suppressed
Xarelto	Rivaroxaban	19	suppressed
Bumetanide	Bumetanide	18	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	18	suppressed
Nifedipine Er	Nifedipine	18	suppressed
Prazosin Hcl	Prazosin Hcl	18	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	18	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	18	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	18	suppressed
Ibu	Ibuprofen	17	suppressed
Memantine Hcl	Memantine Hcl	17	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	16	suppressed
Glimepiride	Glimepiride	16	suppressed
Lidocaine	Lidocaine	16	suppressed
Morphine Sulfate Er	Morphine Sulfate	16	suppressed
Spiriva Respimat	Tiotropium Bromide	16	suppressed
Terazosin Hcl	Terazosin Hcl	16	suppressed
Arnuity Ellipta	Fluticasone Furoate	15	suppressed
Azithromycin	Azithromycin	15	14
Diazepam	Diazepam	15	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	15	12
Ondansetron Odt	Ondansetron	14	suppressed
Synthroid	Levothyroxine Sodium	14	suppressed
Ursodiol	Ursodiol	14	suppressed
Valacyclovir	Valacyclovir Hcl	14	suppressed
Acyclovir	Acyclovir	13	suppressed
Cephalexin	Cephalexin	13	11
Clobetasol Propionate	Clobetasol Propionate	13	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	13	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	13	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	12	suppressed
Econazole Nitrate	Econazole Nitrate	12	suppressed
Fluconazole	Fluconazole	12	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	12	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	12	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	12	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	12	suppressed
Propranolol Hcl Er	Propranolol Hcl	11	suppressed
Temazepam	Temazepam	11	suppressed
Verapamil Er	Verapamil Hcl	11	suppressed
Warfarin Sodium	Warfarin Sodium	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