Healthcare provider profile · identity verified

Chad A Krueger, M.D.

Internal Medicine · MILAN, MI · NPI 1477530731

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	517	141
Lisinopril	Lisinopril	369	96
Amlodipine Besylate	Amlodipine Besylate	296	73
Omeprazole	Omeprazole	287	89
Levothyroxine Sodium	Levothyroxine Sodium	240	57
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	231	41
Metformin Hcl	Metformin Hcl	207	56
Tamsulosin Hcl	Tamsulosin Hcl	180	49
Gabapentin	Gabapentin	171	46
Albuterol Sulfate Hfa	Albuterol Sulfate	164	50
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	164	60
Losartan Potassium	Losartan Potassium	162	50
Simvastatin	Simvastatin	154	41
Trazodone Hcl	Trazodone Hcl	139	42
Metoprolol Succinate	Metoprolol Succinate	137	44
Januvia	Sitagliptin Phosphate	129	23
Hydrochlorothiazide	Hydrochlorothiazide	128	35
Meloxicam	Meloxicam	113	28
Sertraline Hcl	Sertraline Hcl	105	25
Prednisone	Prednisone	97	59
Eliquis	Apixaban	95	24
Metoprolol Tartrate	Metoprolol Tartrate	93	22
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	90	23
Pantoprazole Sodium	Pantoprazole Sodium	87	28
Olmesartan Medoxomil	Olmesartan Medoxomil	85	25
Glimepiride	Glimepiride	84	21
Jardiance	Empagliflozin	83	23
Fluticasone Propionate	Fluticasone Propionate	82	37
Tramadol Hcl	Tramadol Hcl	81	20
Furosemide	Furosemide	78	29
Pravastatin Sodium	Pravastatin Sodium	78	21
Spironolactone	Spironolactone	76	20
Rosuvastatin Calcium	Rosuvastatin Calcium	74	19
Carvedilol	Carvedilol	73	20
Alprazolam	Alprazolam	72	15
Metformin Hcl Er	Metformin Hcl	70	15
Duloxetine Hcl	Duloxetine Hcl	68	14
Warfarin Sodium	Warfarin Sodium	67	15
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	61	20
Zolpidem Tartrate	Zolpidem Tartrate	61	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	58	18
Escitalopram Oxalate	Escitalopram Oxalate	55	15
Finasteride	Finasteride	55	16
Glipizide Er	Glipizide	54	13
Famotidine	Famotidine	53	23
Ibuprofen	Ibuprofen	53	17
Clopidogrel	Clopidogrel Bisulfate	52	16
Ipratropium Bromide	Ipratropium Bromide	50	38
Tizanidine Hcl	Tizanidine Hcl	50	17
Trulicity	Dulaglutide	49	11
Montelukast Sodium	Montelukast Sodium	48	13
Ozempic	Semaglutide	46	13
Potassium Chloride	Potassium Chloride	46	15
Atenolol	Atenolol	42	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	42	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	42	11
Venlafaxine Hcl Er	Venlafaxine Hcl	42	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	41	suppressed
Glipizide	Glipizide	40	12
Allopurinol	Allopurinol	39	12
Diclofenac Sodium	Diclofenac Sodium	39	13
Hydroxyzine Hcl	Hydroxyzine Hcl	36	14
Bupropion Xl	Bupropion Hcl	35	12
Ondansetron Hcl	Ondansetron Hcl	35	suppressed
Testosterone Cypionate	Testosterone Cypionate	35	suppressed
Xarelto	Rivaroxaban	35	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	33	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	33	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	33	suppressed
Bumetanide	Bumetanide	32	suppressed
Paroxetine Hcl	Paroxetine Hcl	32	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	31	suppressed
Buspirone Hcl	Buspirone Hcl	28	suppressed
Tadalafil	Tadalafil	28	suppressed
Tiotropium Bromide	Tiotropium Bromide	27	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	26	25
Mounjaro	Tirzepatide	26	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	25	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	24	suppressed
Klor-Con M20	Potassium Chloride	24	suppressed
Lorazepam	Lorazepam	24	11
Azithromycin	Azithromycin	23	15
Ezetimibe	Ezetimibe	23	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	22	18
Ondansetron Odt	Ondansetron	22	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	22	suppressed
Pregabalin	Pregabalin	22	suppressed
Citalopram Hbr	Citalopram Hydrobromide	21	suppressed
Diazepam	Diazepam	21	suppressed
Farxiga	Dapagliflozin Propanediol	21	suppressed
Hydralazine Hcl	Hydralazine Hcl	21	suppressed
Spiriva Handihaler	Tiotropium Bromide	21	suppressed
Fenofibrate	Fenofibrate	20	suppressed
Humalog Kwikpen U-100	Insulin Lispro	20	suppressed
Nitroglycerin	Nitroglycerin	20	14
Triamcinolone Acetonide	Triamcinolone Acetonide	20	15
Chlorthalidone	Chlorthalidone	19	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	19	suppressed
Methocarbamol	Methocarbamol	19	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	18	suppressed
Levetiracetam	Levetiracetam	18	suppressed
Lovastatin	Lovastatin	18	suppressed
Colchicine	Colchicine	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	16	suppressed
Progesterone	Progesterone, Micronized	16	suppressed
Propranolol Hcl Er	Propranolol Hcl	16	suppressed
Testosterone	Testosterone	16	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	15	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	15	suppressed
Oxycodone Hcl	Oxycodone Hcl	15	suppressed
Verapamil Er	Verapamil Hcl	15	suppressed
Cephalexin	Cephalexin	14	suppressed
Clonazepam	Clonazepam	14	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	14	suppressed
Novofine Plus	Pen Needle, Diabetic	14	suppressed
Humulin N	Insulin Nph Human Isophane	13	suppressed
Ropinirole Hcl	Ropinirole Hcl	13	suppressed
Valacyclovir	Valacyclovir Hcl	13	suppressed
Alendronate Sodium	Alendronate Sodium	12	suppressed
Amlodipine-Atorvastatin	Amlodipine/Atorvastatin	12	suppressed
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	12	suppressed
Azelastine Hcl	Azelastine Hcl	12	suppressed
Entresto	Sacubitril/Valsartan	12	suppressed
Fluconazole	Fluconazole	12	suppressed
Naproxen	Naproxen	12	suppressed
Nystatin	Nystatin	12	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	12	suppressed
Tresiba Flextouch U-100	Insulin Degludec	12	suppressed
Methylprednisolone	Methylprednisolone	11	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	11	suppressed
Modafinil	Modafinil	11	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	11	suppressed
Nifedipine Er	Nifedipine	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	11	suppressed
Ventolin Hfa	Albuterol Sulfate	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