Healthcare provider profile · identity verified

Joseph A. Nicholas, M.D.

Family Practice · GREENFIELD, WI · NPI 1528094588

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	671	188
Amlodipine Besylate	Amlodipine Besylate	401	104
Pantoprazole Sodium	Pantoprazole Sodium	291	80
Lisinopril	Lisinopril	288	70
Metoprolol Succinate	Metoprolol Succinate	278	75
Losartan Potassium	Losartan Potassium	272	76
Gabapentin	Gabapentin	269	67
Levothyroxine Sodium	Levothyroxine Sodium	209	55
Eliquis	Apixaban	181	41
Furosemide	Furosemide	162	43
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	162	39
Metformin Hcl	Metformin Hcl	160	44
Albuterol Sulfate Hfa	Albuterol Sulfate	159	61
Pravastatin Sodium	Pravastatin Sodium	159	39
Metformin Hcl Er	Metformin Hcl	157	43
Tamsulosin Hcl	Tamsulosin Hcl	155	49
Hydrochlorothiazide	Hydrochlorothiazide	147	43
Simvastatin	Simvastatin	145	41
Zolpidem Tartrate	Zolpidem Tartrate	135	25
Rosuvastatin Calcium	Rosuvastatin Calcium	134	45
Allopurinol	Allopurinol	132	31
Potassium Chloride	Potassium Chloride	130	30
Omeprazole	Omeprazole	121	35
Meloxicam	Meloxicam	117	21
Clopidogrel	Clopidogrel Bisulfate	115	31
Metoprolol Tartrate	Metoprolol Tartrate	104	28
Trazodone Hcl	Trazodone Hcl	102	20
Lorazepam	Lorazepam	101	20
Sertraline Hcl	Sertraline Hcl	101	26
Clonazepam	Clonazepam	94	19
Alendronate Sodium	Alendronate Sodium	92	26
Fluticasone Propionate	Fluticasone Propionate	92	28
Tramadol Hcl	Tramadol Hcl	91	28
Escitalopram Oxalate	Escitalopram Oxalate	90	27
Tizanidine Hcl	Tizanidine Hcl	90	32
Montelukast Sodium	Montelukast Sodium	88	24
Oxycodone Hcl	Oxycodone Hcl	82	14
Duloxetine Hcl	Duloxetine Hcl	81	18
Mounjaro	Tirzepatide	81	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	80	19
Alprazolam	Alprazolam	79	26
Bupropion Xl	Bupropion Hcl	74	18
Prednisone	Prednisone	74	52
Warfarin Sodium	Warfarin Sodium	72	14
Ozempic	Semaglutide	70	17
Pregabalin	Pregabalin	67	17
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	67	12
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	64	suppressed
Carvedilol	Carvedilol	61	21
Jardiance	Empagliflozin	57	16
Hydroxyzine Hcl	Hydroxyzine Hcl	55	18
Ibuprofen	Ibuprofen	53	12
Famotidine	Famotidine	50	11
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	47	15
Spironolactone	Spironolactone	46	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	43	suppressed
Glipizide Er	Glipizide	43	suppressed
Loperamide	Loperamide Hcl	42	suppressed
Citalopram Hbr	Citalopram Hydrobromide	41	13
Morphine Sulfate Er	Morphine Sulfate	41	suppressed
Hydralazine Hcl	Hydralazine Hcl	40	16
Donepezil Hcl	Donepezil Hcl	39	12
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	36	suppressed
Diclofenac Sodium	Diclofenac Sodium	36	14
Fluoxetine Hcl	Fluoxetine Hcl	36	suppressed
Symbicort	Budesonide/Formoterol Fumarate	36	suppressed
Amoxicillin	Amoxicillin	35	17
Sumatriptan Succinate	Sumatriptan Succinate	34	suppressed
Ezetimibe	Ezetimibe	33	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	32	14
Lactulose	Lactulose	31	suppressed
Lovastatin	Lovastatin	31	suppressed
Ondansetron Odt	Ondansetron	31	suppressed
Buspirone Hcl	Buspirone Hcl	30	suppressed
Clobetasol Propionate	Clobetasol Propionate	30	suppressed
Trulicity	Dulaglutide	29	suppressed
Ketoconazole	Ketoconazole	28	14
Linzess	Linaclotide	28	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	27	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	27	suppressed
Fenofibrate	Fenofibrate	26	suppressed
Zonisamide	Zonisamide	26	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	25	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	25	suppressed
Cilostazol	Cilostazol	24	suppressed
Mirtazapine	Mirtazapine	24	suppressed
Propranolol Hcl	Propranolol Hcl	24	11
Quetiapine Fumarate	Quetiapine Fumarate	24	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	23	suppressed
Humalog Kwikpen U-100	Insulin Lispro	23	suppressed
Irbesartan	Irbesartan	23	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	22	suppressed
Azithromycin	Azithromycin	22	21
Humulin 70/30 Kwikpen	Insulin Nph Hum/Reg Insulin Hm	22	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	22	12
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	21	18
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	21	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	21	suppressed
Hydrocortisone	Hydrocortisone	21	suppressed
Levetiracetam	Levetiracetam	21	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	21	suppressed
Benazepril Hcl	Benazepril Hcl	20	suppressed
Digoxin	Digoxin	20	suppressed
Meclizine Hcl	Meclizine Hcl	20	13
Topiramate	Topiramate	20	suppressed
Valsartan	Valsartan	20	suppressed
Aripiprazole	Aripiprazole	19	suppressed
Atenolol	Atenolol	19	suppressed
Baclofen	Baclofen	19	suppressed
Celecoxib	Celecoxib	19	suppressed
Diazepam	Diazepam	19	suppressed
Azelastine Hcl	Azelastine Hcl	18	11
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	18	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	18	suppressed
Diphenhydramine Hcl	Diphenhydramine Hcl	18	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	18	17
Ciprofloxacin Hcl	Ciprofloxacin Hcl	17	17
Fenofibrate	Fenofibrate Nanocrystallized	17	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	17	suppressed
Primidone	Primidone	17	suppressed
Xarelto	Rivaroxaban	17	suppressed
Finasteride	Finasteride	16	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	16	suppressed
Memantine Hcl Er	Memantine Hcl	16	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	16	suppressed
Risperidone	Risperidone	16	suppressed
Terazosin Hcl	Terazosin Hcl	16	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	16	suppressed
Bumetanide	Bumetanide	15	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	15	suppressed
Nystatin	Nystatin	15	suppressed
Synthroid	Levothyroxine Sodium	15	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	14	suppressed
Methylprednisolone	Methylprednisolone	14	14
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Torsemide	Torsemide	14	suppressed
Clonidine Hcl	Clonidine Hcl	13	suppressed
Januvia	Sitagliptin Phosphate	13	suppressed
Liothyronine Sodium	Liothyronine Sodium	13	suppressed
Morphine Sulfate	Morphine Sulfate	13	suppressed
Scopolamine	Scopolamine	13	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	13	suppressed
Bupropion Hcl Sr	Bupropion Hcl	12	suppressed
Glimepiride	Glimepiride	12	suppressed
Klor-Con M20	Potassium Chloride	12	suppressed
Mometasone Furoate	Mometasone Furoate	12	suppressed
Myrbetriq	Mirabegron	12	suppressed
Rabeprazole Sodium	Rabeprazole Sodium	12	suppressed
Ropinirole Hcl	Ropinirole Hcl	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Amiloride Hcl	Amiloride Hcl	11	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	11	suppressed
Indomethacin	Indomethacin	11	suppressed
Memantine Hcl	Memantine Hcl	11	suppressed
Namzaric	Memantine Hcl/Donepezil Hcl	11	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	11	11
Solifenacin Succinate	Solifenacin Succinate	11	suppressed
Testosterone	Testosterone	11	suppressed
Vyvanse	Lisdexamfetamine Dimesylate	11	suppressed
Wegovy	Semaglutide	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