Healthcare provider profile · identity verified

Mary Simmons, MD

Family Practice · BELVIDERE, IL · NPI 1457373946

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	263	71
Levothyroxine Sodium	Levothyroxine Sodium	244	57
Lisinopril	Lisinopril	235	68
Amlodipine Besylate	Amlodipine Besylate	217	57
Losartan Potassium	Losartan Potassium	189	52
Omeprazole	Omeprazole	147	47
Metoprolol Succinate	Metoprolol Succinate	119	31
Rosuvastatin Calcium	Rosuvastatin Calcium	105	34
Metformin Hcl	Metformin Hcl	102	31
Hydrochlorothiazide	Hydrochlorothiazide	87	27
Simvastatin	Simvastatin	85	23
Alendronate Sodium	Alendronate Sodium	81	22
Metformin Hcl Er	Metformin Hcl	78	22
Pravastatin Sodium	Pravastatin Sodium	72	20
Gabapentin	Gabapentin	70	22
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	66	11
Potassium Chloride	Potassium Chloride	64	14
Tramadol Hcl	Tramadol Hcl	64	13
Mounjaro	Tirzepatide	63	14
Sertraline Hcl	Sertraline Hcl	63	18
Pioglitazone Hcl	Pioglitazone Hcl	62	19
Alprazolam	Alprazolam	61	12
Spironolactone	Spironolactone	49	14
Warfarin Sodium	Warfarin Sodium	49	11
Fluoxetine Hcl	Fluoxetine Hcl	47	11
Furosemide	Furosemide	45	14
Ozempic	Semaglutide	42	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	41	suppressed
Xarelto	Rivaroxaban	41	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	40	suppressed
Famotidine	Famotidine	40	11
Metoprolol Tartrate	Metoprolol Tartrate	40	12
Montelukast Sodium	Montelukast Sodium	40	13
Paroxetine Hcl	Paroxetine Hcl	40	12
Albuterol Sulfate Hfa	Albuterol Sulfate	39	16
Atenolol	Atenolol	37	suppressed
Trazodone Hcl	Trazodone Hcl	37	11
Carvedilol	Carvedilol	36	11
Fluticasone Propionate	Fluticasone Propionate	36	12
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	35	suppressed
Lovastatin	Lovastatin	33	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	31	suppressed
Estradiol	Estradiol	31	suppressed
Eliquis	Apixaban	30	suppressed
Pantoprazole Sodium	Pantoprazole Sodium	30	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	29	suppressed
Allopurinol	Allopurinol	28	suppressed
Jardiance	Empagliflozin	27	suppressed
Pregabalin	Pregabalin	25	suppressed
Tamsulosin Hcl	Tamsulosin Hcl	25	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	24	suppressed
Clopidogrel	Clopidogrel Bisulfate	23	suppressed
Januvia	Sitagliptin Phosphate	23	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	22	suppressed
Breo Ellipta	Fluticasone/Vilanterol	20	suppressed
Valacyclovir	Valacyclovir Hcl	20	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	19	suppressed
Glipizide	Glipizide	19	suppressed
Duloxetine Hcl	Duloxetine Hcl	18	suppressed
Glipizide Er	Glipizide	18	suppressed
Lorazepam	Lorazepam	18	suppressed
Prednisone	Prednisone	18	11
Hydralazine Hcl	Hydralazine Hcl	17	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	17	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	17	suppressed
Amoxicillin	Amoxicillin	16	13
Ezetimibe	Ezetimibe	16	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	15	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	15	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	14	suppressed
Primidone	Primidone	14	suppressed
Ropinirole Hcl	Ropinirole Hcl	14	suppressed
Synthroid	Levothyroxine Sodium	14	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	14	suppressed
Methimazole	Methimazole	13	suppressed
Spironolactone-Hctz	Spironolact/Hydrochlorothiazid	13	suppressed
Citalopram Hbr	Citalopram Hydrobromide	12	suppressed
Novolog Flexpen	Insulin Aspart	12	suppressed
Propranolol Hcl	Propranolol Hcl	12	suppressed
Trulicity	Dulaglutide	12	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	11	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	11	suppressed
Bupropion Xl	Bupropion Hcl	11	suppressed
Diazepam	Diazepam	11	suppressed
Humulin 70/30 Kwikpen	Insulin Nph Hum/Reg Insulin Hm	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Metolazone	Metolazone	11	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	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