Healthcare provider profile · identity verified

Peggy J. Simpson, MD

Internal Medicine · MADISON, WI · NPI 1770749418

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	745	196
Levothyroxine Sodium	Levothyroxine Sodium	324	79
Omeprazole	Omeprazole	323	110
Amlodipine Besylate	Amlodipine Besylate	259	77
Lisinopril	Lisinopril	244	74
Rosuvastatin Calcium	Rosuvastatin Calcium	240	75
Losartan Potassium	Losartan Potassium	227	69
Metformin Hcl Er	Metformin Hcl	226	57
Gabapentin	Gabapentin	208	65
Furosemide	Furosemide	205	51
Famotidine	Famotidine	180	56
Metoprolol Tartrate	Metoprolol Tartrate	168	38
Metoprolol Succinate	Metoprolol Succinate	154	47
Pantoprazole Sodium	Pantoprazole Sodium	148	43
Hydrochlorothiazide	Hydrochlorothiazide	144	45
Montelukast Sodium	Montelukast Sodium	138	40
Simvastatin	Simvastatin	133	36
Fluticasone Propionate	Fluticasone Propionate	121	53
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	118	23
Trazodone Hcl	Trazodone Hcl	114	36
Triamcinolone Acetonide	Triamcinolone Acetonide	110	70
Tamsulosin Hcl	Tamsulosin Hcl	108	23
Eliquis	Apixaban	104	23
Buspirone Hcl	Buspirone Hcl	101	24
Potassium Chloride	Potassium Chloride	97	32
Pregabalin	Pregabalin	88	16
Prednisone	Prednisone	83	58
Albuterol Sulfate Hfa	Albuterol Sulfate	82	42
Hydralazine Hcl	Hydralazine Hcl	82	27
Quetiapine Fumarate	Quetiapine Fumarate	82	17
Atenolol	Atenolol	79	22
Pravastatin Sodium	Pravastatin Sodium	79	22
Warfarin Sodium	Warfarin Sodium	79	14
Mirtazapine	Mirtazapine	77	15
Duloxetine Hcl	Duloxetine Hcl	75	23
Glipizide Er	Glipizide	75	19
Lorazepam	Lorazepam	74	25
Metformin Hcl	Metformin Hcl	74	19
Escitalopram Oxalate	Escitalopram Oxalate	73	20
Sertraline Hcl	Sertraline Hcl	71	22
Carvedilol	Carvedilol	69	17
Ezetimibe	Ezetimibe	69	20
Spironolactone	Spironolactone	69	17
Alendronate Sodium	Alendronate Sodium	68	21
Jardiance	Empagliflozin	65	17
Ozempic	Semaglutide	65	15
Citalopram Hbr	Citalopram Hydrobromide	62	17
Bupropion Hcl	Bupropion Hcl	61	20
Finasteride	Finasteride	59	12
Glimepiride	Glimepiride	59	16
Baclofen	Baclofen	58	12
Hydroxyzine Hcl	Hydroxyzine Hcl	58	22
Naltrexone Hcl	Naltrexone Hcl	56	21
Tizanidine Hcl	Tizanidine Hcl	56	25
Xarelto	Rivaroxaban	56	13
Ipratropium Bromide	Ipratropium Bromide	52	12
Nystatin	Nystatin	50	27
Clopidogrel	Clopidogrel Bisulfate	49	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	49	14
Methocarbamol	Methocarbamol	49	12
Cephalexin	Cephalexin	45	30
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	44	14
Trulicity	Dulaglutide	44	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	43	12
Sucralfate	Sucralfate	43	22
Allopurinol	Allopurinol	41	13
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	39	14
Amitriptyline Hcl	Amitriptyline Hcl	37	11
Benazepril Hcl	Benazepril Hcl	37	suppressed
Rybelsus	Semaglutide	37	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	37	14
Oxycodone Hcl	Oxycodone Hcl	36	16
Tramadol Hcl	Tramadol Hcl	36	12
Clonidine Hcl	Clonidine Hcl	35	suppressed
Estradiol	Estradiol	35	15
Valsartan	Valsartan	34	suppressed
Azelastine Hcl	Azelastine Hcl	33	15
Chlorthalidone	Chlorthalidone	33	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	33	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	33	suppressed
Glipizide	Glipizide	33	suppressed
Lovastatin	Lovastatin	32	suppressed
Memantine Hcl	Memantine Hcl	32	suppressed
Bupropion Hcl Sr	Bupropion Hcl	31	suppressed
Diclofenac Sodium	Diclofenac Sodium	31	13
Donepezil Hcl	Donepezil Hcl	31	12
Lansoprazole	Lansoprazole	31	suppressed
Morphine Sulfate	Morphine Sulfate	31	suppressed
Ventolin Hfa	Albuterol Sulfate	31	16
Alprazolam	Alprazolam	30	16
Naproxen	Naproxen	30	suppressed
Synthroid	Levothyroxine Sodium	30	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	30	suppressed
Clonazepam	Clonazepam	29	suppressed
Diazepam	Diazepam	29	11
Doxazosin Mesylate	Doxazosin Mesylate	29	suppressed
Meclizine Hcl	Meclizine Hcl	29	14
Myrbetriq	Mirabegron	29	suppressed
Januvia	Sitagliptin Phosphate	28	suppressed
Meloxicam	Meloxicam	28	12
Ropinirole Hcl	Ropinirole Hcl	28	suppressed
Acyclovir	Acyclovir	27	11
Bupropion Xl	Bupropion Hcl	27	11
Ketoconazole	Ketoconazole	27	11
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	27	suppressed
Solifenacin Succinate	Solifenacin Succinate	27	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	27	suppressed
Nifedipine Er	Nifedipine	26	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	26	suppressed
Paroxetine Hcl	Paroxetine Hcl	26	suppressed
Enalapril Maleate	Enalapril Maleate	24	suppressed
Ondansetron Hcl	Ondansetron Hcl	24	12
Ondansetron Odt	Ondansetron	24	suppressed
Valacyclovir	Valacyclovir Hcl	24	11
Terazosin Hcl	Terazosin Hcl	23	suppressed
Arnuity Ellipta	Fluticasone Furoate	22	suppressed
Mounjaro	Tirzepatide	21	suppressed
Propranolol Hcl	Propranolol Hcl	21	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	20	18
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	20	suppressed
Breo Ellipta	Fluticasone/Vilanterol	19	suppressed
Clindamycin Phosphate	Clindamycin Phosphate	19	15
Doxycycline Hyclate	Doxycycline Hyclate	19	16
Fenofibrate	Fenofibrate,micronized	19	suppressed
Naratriptan Hcl	Naratriptan Hcl	19	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	18	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	18	suppressed
Clobetasol Propionate	Clobetasol Propionate	17	12
Fluconazole	Fluconazole	17	15
Verapamil Er	Verapamil Hcl	17	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	16	suppressed
Amiloride Hcl	Amiloride Hcl	15	suppressed
Celecoxib	Celecoxib	15	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	15	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	14	suppressed
Hydrocortisone	Hydrocortisone	14	11
Ibandronate Sodium	Ibandronate Sodium	14	suppressed
Imipramine Hcl	Imipramine Hcl	14	suppressed
Metronidazole	Metronidazole	14	suppressed
Trintellix	Vortioxetine Hydrobromide	14	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	13	suppressed
Azithromycin	Azithromycin	13	12
Ciprofloxacin Hcl	Ciprofloxacin Hcl	13	13
Esomeprazole Magnesium	Esomeprazole Magnesium	13	suppressed
Betamethasone Diprop Augmented	Betamethasone/Propylene Glyc	12	suppressed
Creon	Lipase/Protease/Amylase	12	suppressed
Digoxin	Digoxin	12	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	12	suppressed
Midodrine Hcl	Midodrine Hcl	12	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	12	suppressed
Serevent Diskus	Salmeterol Xinafoate	12	suppressed
Verapamil Hcl	Verapamil Hcl	12	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	11	suppressed
Amoxicillin	Amoxicillin	11	suppressed
Cholestyramine	Cholestyramine (With Sugar)	11	suppressed
Colchicine	Colchicine	11	suppressed
Epinephrine	Epinephrine	11	11
Ibuprofen	Ibuprofen	11	suppressed
Irbesartan	Irbesartan	11	suppressed
Ketorolac Tromethamine	Ketorolac Tromethamine	11	suppressed
Rabeprazole Sodium	Rabeprazole Sodium	11	suppressed
Rizatriptan	Rizatriptan Benzoate	11	suppressed
Topiramate	Topiramate	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