Healthcare provider profile · identity verified

Robert Krippendorf, MD

Internal Medicine · WAUKESHA, WI · NPI 1811941164

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	713	195
Levothyroxine Sodium	Levothyroxine Sodium	499	122
Amlodipine Besylate	Amlodipine Besylate	441	135
Lisinopril	Lisinopril	385	108
Pravastatin Sodium	Pravastatin Sodium	302	68
Pantoprazole Sodium	Pantoprazole Sodium	297	73
Omeprazole	Omeprazole	268	65
Simvastatin	Simvastatin	268	72
Losartan Potassium	Losartan Potassium	262	74
Hydrochlorothiazide	Hydrochlorothiazide	257	74
Metoprolol Succinate	Metoprolol Succinate	235	69
Eliquis	Apixaban	226	43
Carvedilol	Carvedilol	208	57
Tamsulosin Hcl	Tamsulosin Hcl	203	51
Metformin Hcl	Metformin Hcl	200	51
Furosemide	Furosemide	186	62
Rosuvastatin Calcium	Rosuvastatin Calcium	183	56
Sertraline Hcl	Sertraline Hcl	174	43
Alendronate Sodium	Alendronate Sodium	160	35
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	159	47
Jardiance	Empagliflozin	153	29
Montelukast Sodium	Montelukast Sodium	152	37
Potassium Chloride	Potassium Chloride	151	43
Albuterol Sulfate Hfa	Albuterol Sulfate	141	55
Allopurinol	Allopurinol	140	40
Gabapentin	Gabapentin	130	37
Clopidogrel	Clopidogrel Bisulfate	115	32
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	106	106
Tramadol Hcl	Tramadol Hcl	103	28
Metformin Hcl Er	Metformin Hcl	98	27
Metoprolol Tartrate	Metoprolol Tartrate	95	25
Duloxetine Hcl	Duloxetine Hcl	87	22
Alprazolam	Alprazolam	82	18
Spironolactone	Spironolactone	81	25
Warfarin Sodium	Warfarin Sodium	80	18
Glimepiride	Glimepiride	79	21
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	77	19
Zolpidem Tartrate	Zolpidem Tartrate	75	11
Celecoxib	Celecoxib	74	22
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	74	21
Valsartan	Valsartan	68	13
Trazodone Hcl	Trazodone Hcl	67	16
Fluticasone Propionate	Fluticasone Propionate	61	23
Synthroid	Levothyroxine Sodium	61	17
Buspirone Hcl	Buspirone Hcl	54	suppressed
Atenolol	Atenolol	53	15
Benazepril Hcl	Benazepril Hcl	53	12
Escitalopram Oxalate	Escitalopram Oxalate	53	13
Lorazepam	Lorazepam	52	16
Fluoxetine Hcl	Fluoxetine Hcl	51	13
Citalopram Hbr	Citalopram Hydrobromide	48	13
Januvia	Sitagliptin Phosphate	48	suppressed
Enalapril Maleate	Enalapril Maleate	47	12
Ezetimibe	Ezetimibe	47	15
Tizanidine Hcl	Tizanidine Hcl	47	13
Bupropion Xl	Bupropion Hcl	46	12
Hydralazine Hcl	Hydralazine Hcl	45	13
Clonazepam	Clonazepam	43	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	41	11
Donepezil Hcl	Donepezil Hcl	40	12
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	40	13
Doxazosin Mesylate	Doxazosin Mesylate	39	12
Ozempic	Semaglutide	38	suppressed
Propranolol Hcl	Propranolol Hcl	37	suppressed
Divalproex Sodium	Divalproex Sodium	36	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	36	suppressed
Labetalol Hcl	Labetalol Hcl	35	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	34	12
Mirtazapine	Mirtazapine	34	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	34	suppressed
Famotidine	Famotidine	32	11
Levetiracetam	Levetiracetam	32	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	32	29
Symbicort	Budesonide/Formoterol Fumarate	31	suppressed
Trulicity	Dulaglutide	31	suppressed
Bumetanide	Bumetanide	30	suppressed
Linzess	Linaclotide	29	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	29	21
Fenofibrate	Fenofibrate Nanocrystallized	28	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	28	12
Memantine Hcl	Memantine Hcl	28	suppressed
Glipizide	Glipizide	27	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	27	12
Lovastatin	Lovastatin	27	suppressed
Myrbetriq	Mirabegron	27	suppressed
Amoxicillin	Amoxicillin	26	24
Diclofenac Sodium	Diclofenac Sodium	26	suppressed
Loperamide	Loperamide Hcl	25	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	24	11
Fenofibrate	Fenofibrate	24	suppressed
Meclizine Hcl	Meclizine Hcl	24	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	23	suppressed
Midodrine Hcl	Midodrine Hcl	23	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	23	suppressed
Valacyclovir	Valacyclovir Hcl	23	suppressed
Aripiprazole	Aripiprazole	22	suppressed
Finasteride	Finasteride	22	suppressed
Lamotrigine	Lamotrigine	22	suppressed
Prednisone	Prednisone	22	16
Repaglinide	Repaglinide	22	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	21	suppressed
Paroxetine Hcl	Paroxetine Hcl	21	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	21	suppressed
Prochlorperazine Maleate	Prochlorperazine Maleate	21	suppressed
Ramipril	Ramipril	21	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	20	suppressed
Nebivolol Hcl	Nebivolol Hcl	20	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	19	suppressed
Metolazone	Metolazone	19	suppressed
Ventolin Hfa	Albuterol Sulfate	19	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	18	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	18	suppressed
Nifedipine Er	Nifedipine	18	suppressed
Primidone	Primidone	18	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	17	suppressed
Felodipine Er	Felodipine	17	suppressed
Ibandronate Sodium	Ibandronate Sodium	17	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Ropinirole Hcl	Ropinirole Hcl	17	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	16	suppressed
Baclofen	Baclofen	16	suppressed
Colchicine	Colchicine	16	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	16	suppressed
Topiramate	Topiramate	16	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	15	suppressed
Irbesartan	Irbesartan	15	suppressed
Meloxicam	Meloxicam	15	suppressed
Pregabalin	Pregabalin	15	suppressed
Torsemide	Torsemide	15	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	14	suppressed
Glipizide Er	Glipizide	14	suppressed
Olanzapine	Olanzapine	14	suppressed
Premarin	Estrogens, Conjugated	14	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	14	suppressed
Cholestyramine	Cholestyramine (With Sugar)	13	suppressed
Minoxidil	Minoxidil	13	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	13	13
Propranolol Hcl Er	Propranolol Hcl	13	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	13	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	12	11
Clonidine Hcl	Clonidine Hcl	12	suppressed
Dilt-Xr	Diltiazem Hcl	12	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	12	12
Fenofibrate	Fenofibrate,micronized	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	12	suppressed
Morphine Sulfate	Morphine Sulfate	12	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	12	12
Serevent Diskus	Salmeterol Xinafoate	12	suppressed
Humalog Kwikpen U-100	Insulin Lispro	11	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	11	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	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