Healthcare provider profile · identity verified

Gerhard Karl Kraske, MD

Internal Medicine · MIDDLETON, WI · NPI 1164415519

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
Amlodipine Besylate	Amlodipine Besylate	441	102
Atorvastatin Calcium	Atorvastatin Calcium	431	105
Levothyroxine Sodium	Levothyroxine Sodium	403	88
Eliquis	Apixaban	311	57
Lisinopril	Lisinopril	308	86
Omeprazole	Omeprazole	277	78
Gabapentin	Gabapentin	273	52
Metoprolol Succinate	Metoprolol Succinate	261	64
Simvastatin	Simvastatin	256	73
Irbesartan	Irbesartan	248	63
Rosuvastatin Calcium	Rosuvastatin Calcium	235	67
Hydrochlorothiazide	Hydrochlorothiazide	233	60
Furosemide	Furosemide	202	52
Metformin Hcl	Metformin Hcl	199	52
Tamsulosin Hcl	Tamsulosin Hcl	181	47
Trazodone Hcl	Trazodone Hcl	174	41
Losartan Potassium	Losartan Potassium	163	49
Oxycodone Hcl	Oxycodone Hcl	154	28
Pantoprazole Sodium	Pantoprazole Sodium	153	38
Ezetimibe	Ezetimibe	146	44
Potassium Chloride	Potassium Chloride	138	40
Metformin Hcl Er	Metformin Hcl	124	26
Escitalopram Oxalate	Escitalopram Oxalate	123	29
Metoprolol Tartrate	Metoprolol Tartrate	121	33
Carvedilol	Carvedilol	118	27
Famotidine	Famotidine	113	30
Sertraline Hcl	Sertraline Hcl	113	30
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	111	32
Albuterol Sulfate Hfa	Albuterol Sulfate	105	44
Diazepam	Diazepam	102	23
Duloxetine Hcl	Duloxetine Hcl	96	18
Lorazepam	Lorazepam	96	18
Tramadol Hcl	Tramadol Hcl	96	39
Quetiapine Fumarate	Quetiapine Fumarate	90	suppressed
Jardiance	Empagliflozin	83	16
Hydroxyzine Hcl	Hydroxyzine Hcl	82	22
Ozempic	Semaglutide	81	13
Hydralazine Hcl	Hydralazine Hcl	78	suppressed
Mirtazapine	Mirtazapine	78	17
Clonazepam	Clonazepam	77	13
Doxepin Hcl	Doxepin Hcl	77	20
Pravastatin Sodium	Pravastatin Sodium	77	23
Fluticasone Propionate	Fluticasone Propionate	75	27
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	73	36
Ipratropium Bromide	Ipratropium Bromide	73	30
Celecoxib	Celecoxib	71	17
Farxiga	Dapagliflozin Propanediol	71	12
Prednisone	Prednisone	71	28
Allopurinol	Allopurinol	67	15
Alprazolam	Alprazolam	67	12
Morphine Sulfate Er	Morphine Sulfate	66	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	65	20
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	63	17
Clopidogrel	Clopidogrel Bisulfate	61	14
Glimepiride	Glimepiride	60	17
Alendronate Sodium	Alendronate Sodium	59	13
Diclofenac Sodium	Diclofenac Sodium	57	19
Spironolactone	Spironolactone	57	15
Fenofibrate	Fenofibrate	56	11
Montelukast Sodium	Montelukast Sodium	56	suppressed
Ondansetron Hcl	Ondansetron Hcl	56	14
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	55	24
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	54	11
Pioglitazone Hcl	Pioglitazone Hcl	52	14
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	51	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	50	suppressed
Amoxicillin	Amoxicillin	49	25
Oxybutynin Chloride	Oxybutynin Chloride	48	12
Venlafaxine Hcl Er	Venlafaxine Hcl	48	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	48	14
Donepezil Hcl	Donepezil Hcl	46	12
Bupropion Hcl Sr	Bupropion Hcl	45	suppressed
Citalopram Hbr	Citalopram Hydrobromide	45	13
Tizanidine Hcl	Tizanidine Hcl	44	14
Paroxetine Hcl	Paroxetine Hcl	43	suppressed
Pregabalin	Pregabalin	43	suppressed
Benazepril Hcl	Benazepril Hcl	42	12
Finasteride	Finasteride	42	13
Glipizide	Glipizide	42	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	41	12
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	40	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	40	12
Lovastatin	Lovastatin	38	suppressed
Atenolol	Atenolol	37	12
Ondansetron Odt	Ondansetron	37	14
Ropinirole Hcl	Ropinirole Hcl	37	suppressed
Trulicity	Dulaglutide	37	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	35	24
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	34	suppressed
Risedronate Sodium	Risedronate Sodium	34	13
Azithromycin	Azithromycin	33	28
Valsartan	Valsartan	33	suppressed
Xarelto	Rivaroxaban	33	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	32	25
Glipizide Er	Glipizide	32	suppressed
Memantine Hcl	Memantine Hcl	32	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	31	suppressed
Testosterone	Testosterone	31	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	31	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	30	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	30	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	30	suppressed
Naproxen	Naproxen	30	suppressed
Synthroid	Levothyroxine Sodium	30	suppressed
Clonidine Hcl	Clonidine Hcl	29	suppressed
Entresto	Sacubitril/Valsartan	27	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	26	17
Phenytoin Sodium Extended	Phenytoin Sodium Extended	26	suppressed
Baclofen	Baclofen	25	suppressed
Chlorthalidone	Chlorthalidone	25	suppressed
Cefdinir	Cefdinir	23	17
Olanzapine	Olanzapine	23	suppressed
Topiramate	Topiramate	23	suppressed
Ventolin Hfa	Albuterol Sulfate	23	suppressed
Breo Ellipta	Fluticasone/Vilanterol	22	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	22	suppressed
Meclizine Hcl	Meclizine Hcl	22	suppressed
Nifedipine Er	Nifedipine	22	suppressed
Acyclovir	Acyclovir	21	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	21	suppressed
Buprenorphine Hcl	Buprenorphine Hcl	21	suppressed
Januvia	Sitagliptin Phosphate	21	suppressed
Lansoprazole	Lansoprazole	21	suppressed
Loperamide	Loperamide Hcl	21	13
Valacyclovir	Valacyclovir Hcl	20	11
Bupropion Xl	Bupropion Hcl	19	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	19	suppressed
Primidone	Primidone	19	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	18	suppressed
Clobetasol Propionate	Clobetasol Propionate	18	suppressed
Ibuprofen	Ibuprofen	18	suppressed
Latanoprost	Latanoprost	18	suppressed
Levetiracetam	Levetiracetam	18	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	17	15
Digoxin	Digoxin	17	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	17	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	17	16
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	17	suppressed
Midodrine Hcl	Midodrine Hcl	17	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	17	suppressed
Promethazine Hcl	Promethazine Hcl	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Lidocaine	Lidocaine	16	suppressed
Bumetanide	Bumetanide	15	suppressed
Ketoconazole	Ketoconazole	15	suppressed
Meloxicam	Meloxicam	15	suppressed
Morphine Sulfate	Morphine Sulfate	15	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	15	suppressed
Amiodarone Hcl	Amiodarone Hcl	14	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	14	suppressed
Nitroglycerin	Nitroglycerin	14	11
Temazepam	Temazepam	14	suppressed
Aripiprazole	Aripiprazole	13	suppressed
Benztropine Mesylate	Benztropine Mesylate	13	suppressed
Cephalexin	Cephalexin	13	11
Chlorhexidine Gluconate	Chlorhexidine Gluconate	13	suppressed
Diltiazem 24hr Er (Xr)	Diltiazem Hcl	13	suppressed
Ezetimibe-Simvastatin	Ezetimibe/Simvastatin	13	suppressed
Pyridostigmine Bromide	Pyridostigmine Bromide	13	suppressed
Ursodiol	Ursodiol	13	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	12	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	12	suppressed
Emgality Pen	Galcanezumab-Gnlm	12	suppressed
Fenofibric Acid	Fenofibric Acid (Choline)	12	suppressed
Fluorometholone	Fluorometholone	12	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	12	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	12	suppressed
Pentasa	Mesalamine	12	suppressed
Enalapril Maleate	Enalapril Maleate	11	suppressed
Eszopiclone	Eszopiclone	11	suppressed
Nadolol	Nadolol	11	suppressed
Progesterone	Progesterone, Micronized	11	suppressed
Rizatriptan	Rizatriptan Benzoate	11	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	11	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	11	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	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