Healthcare provider profile · identity verified

Daniel J Kaiser, MD

Family Practice · OSHKOSH, WI · NPI 1437133824

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	558	141
Amlodipine Besylate	Amlodipine Besylate	397	102
Levothyroxine Sodium	Levothyroxine Sodium	343	74
Omeprazole	Omeprazole	327	85
Lisinopril	Lisinopril	285	80
Metoprolol Succinate	Metoprolol Succinate	231	64
Hydrochlorothiazide	Hydrochlorothiazide	230	66
Metformin Hcl	Metformin Hcl	219	53
Pravastatin Sodium	Pravastatin Sodium	211	60
Gabapentin	Gabapentin	200	46
Losartan Potassium	Losartan Potassium	192	55
Pantoprazole Sodium	Pantoprazole Sodium	182	52
Simvastatin	Simvastatin	169	42
Furosemide	Furosemide	155	46
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	139	22
Metoprolol Tartrate	Metoprolol Tartrate	128	37
Potassium Chloride	Potassium Chloride	128	36
Pregabalin	Pregabalin	124	26
Glimepiride	Glimepiride	120	30
Allopurinol	Allopurinol	113	34
Zolpidem Tartrate	Zolpidem Tartrate	110	15
Albuterol Sulfate Hfa	Albuterol Sulfate	109	48
Rosuvastatin Calcium	Rosuvastatin Calcium	105	35
Metformin Hcl Er	Metformin Hcl	104	31
Citalopram Hbr	Citalopram Hydrobromide	101	27
Oxycodone Hcl	Oxycodone Hcl	100	13
Trazodone Hcl	Trazodone Hcl	99	22
Eliquis	Apixaban	98	29
Duloxetine Hcl	Duloxetine Hcl	94	21
Tamsulosin Hcl	Tamsulosin Hcl	94	30
Escitalopram Oxalate	Escitalopram Oxalate	92	26
Clonazepam	Clonazepam	91	11
Oxybutynin Chloride Er	Oxybutynin Chloride	91	24
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	90	suppressed
Ozempic	Semaglutide	89	25
Fluticasone Propionate	Fluticasone Propionate	88	39
Sertraline Hcl	Sertraline Hcl	86	23
Atenolol	Atenolol	85	23
Bisoprolol Fumarate	Bisoprolol Fumarate	85	22
Diclofenac Sodium	Diclofenac Sodium	81	31
Tramadol Hcl	Tramadol Hcl	79	16
Terazosin Hcl	Terazosin Hcl	76	19
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	75	21
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	75	22
Olmesartan Medoxomil	Olmesartan Medoxomil	75	23
Xarelto	Rivaroxaban	74	13
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	72	22
Amitriptyline Hcl	Amitriptyline Hcl	71	21
Famotidine	Famotidine	69	24
Warfarin Sodium	Warfarin Sodium	62	13
Alprazolam	Alprazolam	60	15
Montelukast Sodium	Montelukast Sodium	60	18
Tizanidine Hcl	Tizanidine Hcl	60	14
Chlorthalidone	Chlorthalidone	59	14
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	57	12
Diazepam	Diazepam	53	17
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	51	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	51	14
Clopidogrel	Clopidogrel Bisulfate	50	11
Meloxicam	Meloxicam	50	14
Alendronate Sodium	Alendronate Sodium	48	12
Synthroid	Levothyroxine Sodium	48	12
Buspirone Hcl	Buspirone Hcl	44	suppressed
Celecoxib	Celecoxib	43	15
Hydroxyzine Hcl	Hydroxyzine Hcl	42	13
Levetiracetam	Levetiracetam	41	suppressed
Spironolactone	Spironolactone	41	15
Lorazepam	Lorazepam	40	11
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	40	13
Fluoxetine Hcl	Fluoxetine Hcl	39	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	38	12
Rybelsus	Semaglutide	38	suppressed
Trulicity	Dulaglutide	38	13
Lovastatin	Lovastatin	37	suppressed
Jardiance	Empagliflozin	36	13
Prednisone	Prednisone	36	19
Venlafaxine Hcl Er	Venlafaxine Hcl	35	13
Paroxetine Hcl	Paroxetine Hcl	34	suppressed
Glipizide	Glipizide	33	suppressed
Ondansetron Odt	Ondansetron	33	11
Esomeprazole Magnesium	Esomeprazole Magnesium	32	suppressed
Ventolin Hfa	Albuterol Sulfate	32	suppressed
Bupropion Xl	Bupropion Hcl	31	11
Carvedilol	Carvedilol	31	11
Acetaminophen-Codeine	Acetaminophen With Codeine	27	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	27	suppressed
Memantine Hcl	Memantine Hcl	27	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	27	23
Clonidine Hcl	Clonidine Hcl	26	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	25	21
Fosinopril Sodium	Fosinopril Sodium	25	suppressed
Nifedipine Er	Nifedipine	24	suppressed
Amoxicillin	Amoxicillin	22	15
Sumatriptan Succinate	Sumatriptan Succinate	22	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	22	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	21	suppressed
Mounjaro	Tirzepatide	21	suppressed
Ropinirole Hcl	Ropinirole Hcl	21	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	20	16
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	19	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	19	14
Lamotrigine	Lamotrigine	19	suppressed
Valacyclovir	Valacyclovir Hcl	19	11
Finasteride	Finasteride	18	suppressed
Glipizide Er	Glipizide	18	suppressed
Bumetanide	Bumetanide	17	suppressed
Estradiol	Estradiol	17	suppressed
Lansoprazole	Lansoprazole	17	suppressed
Breo Ellipta	Fluticasone/Vilanterol	16	suppressed
Bupropion Hcl	Bupropion Hcl	16	suppressed
Risedronate Sodium	Risedronate Sodium	16	suppressed
Bupropion Hcl Sr	Bupropion Hcl	15	suppressed
Cephalexin	Cephalexin	15	suppressed
Dilt-Xr	Diltiazem Hcl	15	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	15	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	15	suppressed
Metronidazole	Metronidazole	15	11
Zolpidem Tartrate Er	Zolpidem Tartrate	15	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	14	suppressed
Donepezil Hcl	Donepezil Hcl	14	suppressed
Methylprednisolone	Methylprednisolone	14	12
Nitroglycerin	Nitroglycerin	14	11
Otezla	Apremilast	14	suppressed
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Ezetimibe	Ezetimibe	13	suppressed
Methadone Hcl	Methadone Hcl	13	suppressed
Methocarbamol	Methocarbamol	13	suppressed
Methotrexate	Methotrexate Sodium	13	suppressed
Morphine Sulfate Er	Morphine Sulfate	13	suppressed
Nystatin	Nystatin	13	suppressed
Ramipril	Ramipril	13	suppressed
Varenicline Tartrate	Varenicline Tartrate	13	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	13	suppressed
Benazepril Hcl	Benazepril Hcl	12	suppressed
Buprenorphine Hcl	Buprenorphine Hcl	12	suppressed
Carbamazepine	Carbamazepine	12	suppressed
Digoxin	Digoxin	12	suppressed
Fluconazole	Fluconazole	12	suppressed
Olanzapine	Olanzapine	12	suppressed
Propranolol Hcl	Propranolol Hcl	12	suppressed
Temazepam	Temazepam	12	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	12	suppressed
Zaleplon	Zaleplon	12	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	11	suppressed
Belsomra	Suvorexant	11	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Fentanyl	Fentanyl	11	suppressed
Propranolol Hcl Er	Propranolol 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