Healthcare provider profile · identity verified

Howard R Baker, D.O.

Internal Medicine · VERNON HILLS, IL · NPI 1558326439

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	669	189
Amlodipine Besylate	Amlodipine Besylate	443	124
Levothyroxine Sodium	Levothyroxine Sodium	383	114
Losartan Potassium	Losartan Potassium	284	87
Metformin Hcl	Metformin Hcl	234	71
Metoprolol Succinate	Metoprolol Succinate	229	62
Potassium Chloride	Potassium Chloride	216	51
Gabapentin	Gabapentin	214	56
Lisinopril	Lisinopril	208	51
Simvastatin	Simvastatin	149	44
Metoprolol Tartrate	Metoprolol Tartrate	146	38
Rosuvastatin Calcium	Rosuvastatin Calcium	145	50
Eliquis	Apixaban	144	27
Pantoprazole Sodium	Pantoprazole Sodium	136	48
Tamsulosin Hcl	Tamsulosin Hcl	123	37
Hydrochlorothiazide	Hydrochlorothiazide	121	38
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	121	25
Warfarin Sodium	Warfarin Sodium	117	suppressed
Furosemide	Furosemide	113	40
Clopidogrel	Clopidogrel Bisulfate	106	26
Omeprazole	Omeprazole	104	38
Trazodone Hcl	Trazodone Hcl	101	27
Allopurinol	Allopurinol	100	32
Carvedilol	Carvedilol	97	29
Mounjaro	Tirzepatide	91	21
Xarelto	Rivaroxaban	85	13
Donepezil Hcl	Donepezil Hcl	84	18
Tramadol Hcl	Tramadol Hcl	81	25
Lorazepam	Lorazepam	79	21
Torsemide	Torsemide	75	23
Alprazolam	Alprazolam	74	24
Glimepiride	Glimepiride	74	19
Sertraline Hcl	Sertraline Hcl	71	19
Escitalopram Oxalate	Escitalopram Oxalate	70	20
Mirtazapine	Mirtazapine	65	18
Bupropion Xl	Bupropion Hcl	59	17
Zolpidem Tartrate	Zolpidem Tartrate	58	15
Duloxetine Hcl	Duloxetine Hcl	54	17
Ezetimibe	Ezetimibe	54	14
Valsartan	Valsartan	53	18
Albuterol Sulfate Hfa	Albuterol Sulfate	51	18
Famotidine	Famotidine	51	14
Clonazepam	Clonazepam	50	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	49	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	48	13
Meloxicam	Meloxicam	47	17
Ondansetron Odt	Ondansetron	46	suppressed
Citalopram Hbr	Citalopram Hydrobromide	45	suppressed
Ozempic	Semaglutide	44	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	44	20
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	44	13
Venlafaxine Hcl Er	Venlafaxine Hcl	44	suppressed
Celecoxib	Celecoxib	43	13
Oxybutynin Chloride Er	Oxybutynin Chloride	43	suppressed
Fluticasone Propionate	Fluticasone Propionate	42	19
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	42	15
Levetiracetam	Levetiracetam	41	suppressed
Finasteride	Finasteride	40	12
Farxiga	Dapagliflozin Propanediol	39	11
Fluoxetine Hcl	Fluoxetine Hcl	39	14
Heparin Sodium	Heparin Sodium,porcine	39	suppressed
Memantine Hcl	Memantine Hcl	39	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	38	suppressed
Pravastatin Sodium	Pravastatin Sodium	36	13
Hydroxyzine Hcl	Hydroxyzine Hcl	35	suppressed
Spironolactone	Spironolactone	34	11
Hydralazine Hcl	Hydralazine Hcl	32	suppressed
Jardiance	Empagliflozin	32	13
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	32	25
Alendronate Sodium	Alendronate Sodium	31	14
Amitriptyline Hcl	Amitriptyline Hcl	30	suppressed
Irbesartan	Irbesartan	30	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	30	14
Doxepin Hcl	Doxepin Hcl	29	suppressed
Humalog Kwikpen U-100	Insulin Lispro	29	suppressed
Metformin Hcl Er	Metformin Hcl	29	12
Temazepam	Temazepam	28	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	27	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	23
Synthroid	Levothyroxine Sodium	26	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	26	suppressed
Fluvoxamine Maleate	Fluvoxamine Maleate	25	suppressed
Januvia	Sitagliptin Phosphate	25	suppressed
Baclofen	Baclofen	24	suppressed
Bumetanide	Bumetanide	24	suppressed
Glipizide Er	Glipizide	23	suppressed
Olanzapine	Olanzapine	23	suppressed
Pregabalin	Pregabalin	23	suppressed
Rybelsus	Semaglutide	23	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	22	suppressed
Diclofenac Sodium	Diclofenac Sodium	22	suppressed
Divalproex Sodium	Divalproex Sodium	22	suppressed
Entresto	Sacubitril/Valsartan	22	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	22	suppressed
Montelukast Sodium	Montelukast Sodium	22	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	22	suppressed
Ventolin Hfa	Albuterol Sulfate	21	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	20	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	20	suppressed
Ipratropium Bromide	Ipratropium Bromide	20	suppressed
Myrbetriq	Mirabegron	20	suppressed
Ondansetron Hcl	Ondansetron Hcl	20	13
Amiodarone Hcl	Amiodarone Hcl	19	suppressed
Amlodipine-Valsartan	Amlodipine Besylate/Valsartan	19	suppressed
Atenolol	Atenolol	19	suppressed
Buspirone Hcl	Buspirone Hcl	19	suppressed
Carbamazepine Er	Carbamazepine	19	suppressed
Chlorthalidone	Chlorthalidone	19	suppressed
Lansoprazole	Lansoprazole	19	suppressed
Nyamyc	Nystatin	19	suppressed
Paroxetine Hcl	Paroxetine Hcl	19	suppressed
Prednisone	Prednisone	19	13
Arexvy	Rsvpref3 Antigen/As01e/Pf	17	16
Dicyclomine Hcl	Dicyclomine Hcl	17	suppressed
Glipizide	Glipizide	17	suppressed
Lidocaine	Lidocaine	17	suppressed
Risperidone	Risperidone	17	suppressed
Butalbital-Aspirin-Caffeine	Butalbital/Aspirin/Caffeine	16	suppressed
Lamotrigine	Lamotrigine	16	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	16	suppressed
Bupropion Hcl Sr	Bupropion Hcl	15	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	15	suppressed
Nebivolol Hcl	Nebivolol Hcl	15	suppressed
Nystatin-Triamcinolone	Nystatin/Triamcinolone Acet	15	suppressed
Primidone	Primidone	15	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	15	suppressed
Telmisartan	Telmisartan	15	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	14	suppressed
Enalapril Maleate	Enalapril Maleate	14	suppressed
Repatha Sureclick	Evolocumab	14	suppressed
Terazosin Hcl	Terazosin Hcl	14	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	13	11
Xifaxan	Rifaximin	13	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	12	suppressed
Carisoprodol	Carisoprodol	12	suppressed
Dabigatran Etexilate	Dabigatran Etexilate Mesylate	12	suppressed
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	12	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	12	suppressed
Memantine Hcl Er	Memantine Hcl	12	suppressed
Nystatin	Nystatin	12	suppressed
Permethrin	Permethrin	12	suppressed
Propylthiouracil	Propylthiouracil	12	suppressed
Raloxifene Hcl	Raloxifene Hcl	12	suppressed
Testosterone Cypionate	Testosterone Cypionate	12	suppressed
Valproic Acid	Valproic Acid (As Sodium Salt)	12	suppressed
Azithromycin	Azithromycin	11	suppressed
Fenofibrate	Fenofibrate	11	suppressed
Fenofibrate	Fenofibrate,micronized	11	suppressed
Lacosamide	Lacosamide	11	suppressed
Lovastatin	Lovastatin	11	suppressed
Novolin R Flexpen	Insulin Regular, Human	11	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	11	11
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	11	suppressed
Valacyclovir	Valacyclovir Hcl	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