Healthcare provider profile · identity verified

Nancy C Rainiero, MD

Internal Medicine · JANESVILLE, WI · NPI 1174564363

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
Levothyroxine Sodium	Levothyroxine Sodium	717	173
Atorvastatin Calcium	Atorvastatin Calcium	713	189
Omeprazole	Omeprazole	623	171
Metoprolol Succinate	Metoprolol Succinate	494	123
Furosemide	Furosemide	493	117
Losartan Potassium	Losartan Potassium	455	133
Amlodipine Besylate	Amlodipine Besylate	443	118
Lisinopril	Lisinopril	305	80
Gabapentin	Gabapentin	283	87
Rosuvastatin Calcium	Rosuvastatin Calcium	282	74
Metoprolol Tartrate	Metoprolol Tartrate	270	69
Simvastatin	Simvastatin	264	60
Potassium Chloride	Potassium Chloride	232	46
Escitalopram Oxalate	Escitalopram Oxalate	230	65
Eliquis	Apixaban	226	47
Duloxetine Hcl	Duloxetine Hcl	195	65
Fluoxetine Hcl	Fluoxetine Hcl	184	35
Pantoprazole Sodium	Pantoprazole Sodium	169	46
Metformin Hcl Er	Metformin Hcl	162	53
Pravastatin Sodium	Pravastatin Sodium	157	45
Hydrochlorothiazide	Hydrochlorothiazide	152	47
Montelukast Sodium	Montelukast Sodium	146	48
Clopidogrel	Clopidogrel Bisulfate	132	29
Alendronate Sodium	Alendronate Sodium	127	33
Spironolactone	Spironolactone	127	35
Tramadol Hcl	Tramadol Hcl	119	36
Trazodone Hcl	Trazodone Hcl	114	34
Metformin Hcl	Metformin Hcl	110	33
Warfarin Sodium	Warfarin Sodium	105	30
Ezetimibe	Ezetimibe	101	29
Isosorbide Mononitrate Er	Isosorbide Mononitrate	100	29
Albuterol Sulfate Hfa	Albuterol Sulfate	95	52
Sertraline Hcl	Sertraline Hcl	94	26
Famotidine	Famotidine	91	23
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	91	27
Atenolol	Atenolol	90	23
Xarelto	Rivaroxaban	83	17
Celecoxib	Celecoxib	80	27
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	80	21
Lorazepam	Lorazepam	78	25
Buspirone Hcl	Buspirone Hcl	77	24
Glipizide Er	Glipizide	77	19
Carvedilol	Carvedilol	72	23
Oxybutynin Chloride	Oxybutynin Chloride	72	19
Fluticasone Propionate	Fluticasone Propionate	71	30
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	69	21
Venlafaxine Hcl Er	Venlafaxine Hcl	69	17
Allopurinol	Allopurinol	67	17
Glipizide	Glipizide	66	20
Tamsulosin Hcl	Tamsulosin Hcl	65	24
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	63	47
Zolpidem Tartrate	Zolpidem Tartrate	63	19
Citalopram Hbr	Citalopram Hydrobromide	61	15
Alprazolam	Alprazolam	60	14
Propranolol Hcl	Propranolol Hcl	60	suppressed
Prednisone	Prednisone	57	22
Jardiance	Empagliflozin	55	15
Pregabalin	Pregabalin	55	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	55	39
Amoxicillin	Amoxicillin	54	26
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	54	18
Mirtazapine	Mirtazapine	54	15
Nitroglycerin	Nitroglycerin	54	32
Bupropion Xl	Bupropion Hcl	51	13
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	50	35
Donepezil Hcl	Donepezil Hcl	48	13
Lovastatin	Lovastatin	47	12
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	46	17
Valacyclovir	Valacyclovir Hcl	45	21
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	44	19
Memantine Hcl	Memantine Hcl	43	suppressed
Enalapril Maleate	Enalapril Maleate	42	suppressed
Finasteride	Finasteride	42	14
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	40	11
Wixela Inhub	Fluticasone Propion/Salmeterol	39	13
Clonazepam	Clonazepam	35	suppressed
Ketoconazole	Ketoconazole	35	22
Oxybutynin Chloride Er	Oxybutynin Chloride	35	suppressed
Trulicity	Dulaglutide	35	suppressed
Ropinirole Hcl	Ropinirole Hcl	34	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	32	suppressed
Hydralazine Hcl	Hydralazine Hcl	31	suppressed
Acyclovir	Acyclovir	30	13
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	30	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	30	11
Irbesartan	Irbesartan	30	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	30	12
Quetiapine Fumarate	Quetiapine Fumarate	30	suppressed
Azithromycin	Azithromycin	29	19
Myrbetriq	Mirabegron	28	suppressed
Novolog Flexpen	Insulin Aspart	28	11
Nystatin	Nystatin	28	17
Paroxetine Hcl	Paroxetine Hcl	28	suppressed
Synthroid	Levothyroxine Sodium	28	suppressed
Ozempic	Semaglutide	27	suppressed
Benazepril Hcl	Benazepril Hcl	26	suppressed
Clindamycin Hcl	Clindamycin Hcl	25	13
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	25	suppressed
Ondansetron Hcl	Ondansetron Hcl	25	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	25	suppressed
Ventolin Hfa	Albuterol Sulfate	25	16
Klor-Con M20	Potassium Chloride	24	suppressed
Labetalol Hcl	Labetalol Hcl	24	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	23	suppressed
Verapamil Er	Verapamil Hcl	23	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	22	19
Oxycodone Hcl	Oxycodone Hcl	22	suppressed
Tresiba Flextouch U-100	Insulin Degludec	22	suppressed
Estradiol	Estradiol	20	suppressed
Hydroxyurea	Hydroxyurea	20	suppressed
Ipratropium Bromide	Ipratropium Bromide	20	suppressed
Lansoprazole	Lansoprazole	20	suppressed
Mounjaro	Tirzepatide	20	suppressed
Metronidazole	Metronidazole	19	11
Rivastigmine	Rivastigmine	19	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	18	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	18	suppressed
Tizanidine Hcl	Tizanidine Hcl	18	suppressed
Bupropion Hcl Sr	Bupropion Hcl	17	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	17	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	17	suppressed
Meclizine Hcl	Meclizine Hcl	17	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	16	suppressed
Clonidine Hcl	Clonidine Hcl	16	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	16	suppressed
Nifedipine Er	Nifedipine	16	suppressed
Potassium Citrate Er	Potassium Citrate	16	suppressed
Terazosin Hcl	Terazosin Hcl	16	suppressed
Acetic Acid	Acetic Acid	15	suppressed
Cephalexin	Cephalexin	15	11
Cholestyramine	Cholestyramine (With Sugar)	15	suppressed
Easy Touch Alcohol Prep Pads	Alcohol Antiseptic Pads	15	suppressed
Entresto	Sacubitril/Valsartan	15	suppressed
Methimazole	Methimazole	15	suppressed
Sucralfate	Sucralfate	15	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	14	14
Humalog Kwikpen U-100	Insulin Lispro	14	suppressed
Levetiracetam	Levetiracetam	14	suppressed
Mesalamine	Mesalamine	14	suppressed
Novolin 70-30 Flexpen	Insulin Nph Hum/Reg Insulin Hm	14	suppressed
Arnuity Ellipta	Fluticasone Furoate	13	suppressed
Breo Ellipta	Fluticasone/Vilanterol	13	suppressed
Dilantin	Phenytoin Sodium Extended	13	suppressed
Levocarnitine	Levocarnitine	13	suppressed
Spiriva Respimat	Tiotropium Bromide	13	suppressed
Cilostazol	Cilostazol	12	suppressed
Diazepam	Diazepam	12	suppressed
Methenamine Hippurate	Methenamine Hippurate	12	suppressed
Trintellix	Vortioxetine Hydrobromide	12	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	12	suppressed
Budesonide Dr	Budesonide	11	suppressed
Clobetasol Propionate	Clobetasol Propionate	11	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	11	11
Hydrocortisone	Hydrocortisone	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Methylprednisolone	Methylprednisolone	11	suppressed
Nadolol	Nadolol	11	suppressed
Solifenacin Succinate	Solifenacin Succinate	11	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	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