Healthcare provider profile · identity verified

Jeffrey A Katt, MD

Internal Medicine · MILWAUKEE, WI · NPI 1407887821

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	799	207
Amlodipine Besylate	Amlodipine Besylate	563	162
Rosuvastatin Calcium	Rosuvastatin Calcium	492	133
Metformin Hcl Er	Metformin Hcl	336	95
Omeprazole	Omeprazole	322	95
Lisinopril	Lisinopril	318	84
Losartan Potassium	Losartan Potassium	318	90
Levothyroxine Sodium	Levothyroxine Sodium	264	65
Hydrochlorothiazide	Hydrochlorothiazide	256	77
Metoprolol Succinate	Metoprolol Succinate	255	69
Simvastatin	Simvastatin	251	64
Allopurinol	Allopurinol	227	62
Pantoprazole Sodium	Pantoprazole Sodium	213	55
Potassium Chloride	Potassium Chloride	156	46
Metformin Hcl	Metformin Hcl	154	52
Gabapentin	Gabapentin	146	46
Pravastatin Sodium	Pravastatin Sodium	143	40
Valsartan	Valsartan	143	40
Escitalopram Oxalate	Escitalopram Oxalate	136	33
Furosemide	Furosemide	134	42
Albuterol Sulfate Hfa	Albuterol Sulfate	132	50
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	129	36
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	118	30
Clopidogrel	Clopidogrel Bisulfate	114	28
Tamsulosin Hcl	Tamsulosin Hcl	113	35
Atenolol	Atenolol	99	30
Eliquis	Apixaban	97	27
Metoprolol Tartrate	Metoprolol Tartrate	95	26
Carvedilol	Carvedilol	87	20
Tramadol Hcl	Tramadol Hcl	85	20
Fluticasone Propionate	Fluticasone Propionate	82	25
Jardiance	Empagliflozin	80	21
Doxazosin Mesylate	Doxazosin Mesylate	76	22
Ezetimibe	Ezetimibe	71	22
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	66	19
Montelukast Sodium	Montelukast Sodium	66	12
Warfarin Sodium	Warfarin Sodium	63	14
Glimepiride	Glimepiride	61	19
Lovastatin	Lovastatin	61	12
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	60	17
Finasteride	Finasteride	59	13
Alprazolam	Alprazolam	53	14
Tizanidine Hcl	Tizanidine Hcl	52	17
Bumetanide	Bumetanide	51	19
Januvia	Sitagliptin Phosphate	51	11
Spironolactone	Spironolactone	50	suppressed
Xarelto	Rivaroxaban	48	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	43	11
Nifedipine Er	Nifedipine	41	11
Ozempic	Semaglutide	41	suppressed
Famotidine	Famotidine	40	suppressed
Trazodone Hcl	Trazodone Hcl	40	14
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	39	12
Mounjaro	Tirzepatide	38	suppressed
Lorazepam	Lorazepam	36	13
Citalopram Hbr	Citalopram Hydrobromide	35	suppressed
Verapamil Er	Verapamil Hcl	35	suppressed
Hydralazine Hcl	Hydralazine Hcl	34	12
Alendronate Sodium	Alendronate Sodium	33	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	33	suppressed
Duloxetine Hcl	Duloxetine Hcl	31	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	31	13
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	28	suppressed
Meloxicam	Meloxicam	28	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	27	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	27	suppressed
Sertraline Hcl	Sertraline Hcl	27	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	26	suppressed
Sucralfate	Sucralfate	26	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	26	16
Valacyclovir	Valacyclovir Hcl	26	suppressed
Ipratropium Bromide	Ipratropium Bromide	25	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	23	suppressed
Clonazepam	Clonazepam	23	suppressed
Synthroid	Levothyroxine Sodium	23	suppressed
Donepezil Hcl	Donepezil Hcl	22	suppressed
Glipizide	Glipizide	22	suppressed
Irbesartan	Irbesartan	22	suppressed
Propranolol Hcl Er	Propranolol Hcl	22	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	21	18
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	21	suppressed
Enalapril Maleate	Enalapril Maleate	20	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	20	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	19	suppressed
Levetiracetam	Levetiracetam	19	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	19	suppressed
Solifenacin Succinate	Solifenacin Succinate	19	suppressed
Terazosin Hcl	Terazosin Hcl	19	suppressed
Tradjenta	Linagliptin	19	suppressed
Arnuity Ellipta	Fluticasone Furoate	18	suppressed
Farxiga	Dapagliflozin Propanediol	18	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	18	suppressed
Acyclovir	Acyclovir	17	suppressed
Meclizine Hcl	Meclizine Hcl	17	suppressed
Mirtazapine	Mirtazapine	17	suppressed
Trulicity	Dulaglutide	17	suppressed
Bupropion Hcl Sr	Bupropion Hcl	16	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	16	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	15	suppressed
Breo Ellipta	Fluticasone/Vilanterol	15	suppressed
Buspirone Hcl	Buspirone Hcl	15	suppressed
Klor-Con M20	Potassium Chloride	15	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	15	14
Advair Hfa	Fluticasone Propion/Salmeterol	14	suppressed
Fenofibrate	Fenofibrate	14	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	14	suppressed
Ketoconazole	Ketoconazole	14	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	14	suppressed
Propranolol Hcl	Propranolol Hcl	14	suppressed
Benazepril Hcl	Benazepril Hcl	13	suppressed
Folic Acid	Folic Acid	13	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	13	suppressed
Digoxin	Digoxin	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	12	suppressed
Ondansetron Hcl	Ondansetron Hcl	12	suppressed
Spiriva Handihaler	Tiotropium Bromide	12	suppressed
Symbicort	Budesonide/Formoterol Fumarate	12	suppressed
Trospium Chloride Er	Trospium Chloride	12	suppressed
Belsomra	Suvorexant	11	suppressed
Clonidine Hcl	Clonidine Hcl	11	suppressed
Diazepam	Diazepam	11	suppressed
Ibuprofen	Ibuprofen	11	suppressed
Lansoprazole	Lansoprazole	11	suppressed
Novolog Flexpen	Insulin Aspart	11	suppressed
Spiriva Respimat	Tiotropium Bromide	11	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	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