Healthcare provider profile · identity verified

Bradley A Chambers, D.O

Internal Medicine · PEORIA, IL · NPI 1376838326

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	623	178
Losartan Potassium	Losartan Potassium	485	134
Levothyroxine Sodium	Levothyroxine Sodium	454	126
Omeprazole	Omeprazole	422	145
Rosuvastatin Calcium	Rosuvastatin Calcium	406	141
Amlodipine Besylate	Amlodipine Besylate	352	100
Lisinopril	Lisinopril	334	95
Metformin Hcl	Metformin Hcl	316	97
Gabapentin	Gabapentin	245	76
Meloxicam	Meloxicam	194	69
Tramadol Hcl	Tramadol Hcl	194	55
Escitalopram Oxalate	Escitalopram Oxalate	193	53
Potassium Chloride	Potassium Chloride	184	57
Tamsulosin Hcl	Tamsulosin Hcl	174	58
Simvastatin	Simvastatin	171	44
Alendronate Sodium	Alendronate Sodium	156	37
Furosemide	Furosemide	149	43
Fluoxetine Hcl	Fluoxetine Hcl	148	42
Pantoprazole Sodium	Pantoprazole Sodium	146	39
Trazodone Hcl	Trazodone Hcl	145	47
Zolpidem Tartrate	Zolpidem Tartrate	136	35
Metoprolol Succinate	Metoprolol Succinate	135	42
Citalopram Hbr	Citalopram Hydrobromide	129	36
Celecoxib	Celecoxib	125	47
Eliquis	Apixaban	125	39
Hydrochlorothiazide	Hydrochlorothiazide	114	39
Pravastatin Sodium	Pravastatin Sodium	110	39
Finasteride	Finasteride	108	32
Bupropion Hcl	Bupropion Hcl	100	20
Alprazolam	Alprazolam	99	33
Duloxetine Hcl	Duloxetine Hcl	99	28
Metformin Hcl Er	Metformin Hcl	99	32
Spironolactone	Spironolactone	95	24
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	87	31
Chlorthalidone	Chlorthalidone	86	27
Xarelto	Rivaroxaban	84	21
Clopidogrel	Clopidogrel Bisulfate	81	16
Prednisone	Prednisone	79	51
Jardiance	Empagliflozin	77	20
Sertraline Hcl	Sertraline Hcl	73	22
Ozempic	Semaglutide	70	17
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	68	20
Carvedilol	Carvedilol	64	26
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	64	20
Lorazepam	Lorazepam	61	19
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	59	16
Famotidine	Famotidine	56	15
Glipizide	Glipizide	56	21
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	55	19
Pregabalin	Pregabalin	54	13
Allopurinol	Allopurinol	53	20
Cephalexin	Cephalexin	53	28
Buspirone Hcl	Buspirone Hcl	52	16
Clonazepam	Clonazepam	51	13
Montelukast Sodium	Montelukast Sodium	51	14
Hydroxyzine Hcl	Hydroxyzine Hcl	48	13
Soliqua 100-33	Insulin Glargine/Lixisenatide	48	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	47	16
Glimepiride	Glimepiride	46	14
Estradiol	Estradiol	44	16
Oxybutynin Chloride	Oxybutynin Chloride	41	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	41	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	40	11
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	40	15
Mirtazapine	Mirtazapine	39	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	38	19
Bupropion Xl	Bupropion Hcl	38	13
Ezetimibe	Ezetimibe	38	13
Triamcinolone Acetonide	Triamcinolone Acetonide	38	16
Quetiapine Fumarate	Quetiapine Fumarate	37	12
Bupropion Hcl Sr	Bupropion Hcl	36	13
Fluticasone Propionate	Fluticasone Propionate	35	23
Farxiga	Dapagliflozin Propanediol	34	12
Nortriptyline Hcl	Nortriptyline Hcl	33	suppressed
Aripiprazole	Aripiprazole	32	suppressed
Ibuprofen	Ibuprofen	32	suppressed
Topiramate	Topiramate	32	suppressed
Ondansetron Hcl	Ondansetron Hcl	30	16
Propranolol Hcl	Propranolol Hcl	29	suppressed
Trulicity	Dulaglutide	29	suppressed
Fluconazole	Fluconazole	28	15
Mounjaro	Tirzepatide	28	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	26	25
Insulin Lispro Kwikpen U-100	Insulin Lispro	26	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	26	22
Solifenacin Succinate	Solifenacin Succinate	26	suppressed
Levetiracetam	Levetiracetam	25	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	24	22
Pen Needle	Pen Needle, Diabetic	24	suppressed
Donepezil Hcl	Donepezil Hcl	23	suppressed
Glipizide Er	Glipizide	23	suppressed
Irbesartan	Irbesartan	23	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	23	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	23	suppressed
Atenolol	Atenolol	21	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	21	suppressed
Synthroid	Levothyroxine Sodium	21	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	20	suppressed
Amiloride Hcl	Amiloride Hcl	19	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	19	suppressed
Liothyronine Sodium	Liothyronine Sodium	19	suppressed
Naproxen	Naproxen	19	suppressed
Nystatin	Nystatin	19	suppressed
Tresiba Flextouch U-100	Insulin Degludec	19	suppressed
Benztropine Mesylate	Benztropine Mesylate	18	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	18	suppressed
Tizanidine Hcl	Tizanidine Hcl	18	suppressed
Torsemide	Torsemide	18	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Oxycodone Hcl	Oxycodone Hcl	17	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	16	suppressed
Promethazine Hcl	Promethazine Hcl	16	suppressed
Baclofen	Baclofen	15	suppressed
Fenofibrate	Fenofibrate	15	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	15	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	15	suppressed
Ropinirole Hcl	Ropinirole Hcl	15	suppressed
Valacyclovir	Valacyclovir Hcl	15	11
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	14	suppressed
Diltiazem Hcl	Diltiazem Hcl	14	suppressed
Desmopressin Acetate	Desmopressin Acetate	13	suppressed
Ipratropium Bromide	Ipratropium Bromide	13	suppressed
Valsartan	Valsartan	13	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	13	suppressed
Admelog	Insulin Lispro	12	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	12	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	12	suppressed
Januvia	Sitagliptin Phosphate	12	suppressed
Lansoprazole	Lansoprazole	12	suppressed
Novolog Flexpen	Insulin Aspart	12	suppressed
Ramipril	Ramipril	12	suppressed
Tri-Mili	Norgestimate-Ethinyl Estradiol	12	suppressed
Trospium Chloride	Trospium Chloride	12	suppressed
Diazepam	Diazepam	11	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	11	suppressed
Humalog Kwikpen U-100	Insulin Lispro	11	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	11	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	11	suppressed
Pilocarpine Hcl	Pilocarpine Hcl	11	suppressed
Repatha Sureclick	Evolocumab	11	suppressed
Taltz Autoinjector	Ixekizumab	11	suppressed
Testosterone Cypionate	Testosterone Cypionate	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