Healthcare provider profile · identity verified

Joel Len Baker, DO

Family Practice · CORYDON, IA · NPI 1518943141

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
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	303	38
Atorvastatin Calcium	Atorvastatin Calcium	251	60
Lisinopril	Lisinopril	237	51
Amlodipine Besylate	Amlodipine Besylate	235	43
Pantoprazole Sodium	Pantoprazole Sodium	233	39
Losartan Potassium	Losartan Potassium	227	44
Metformin Hcl	Metformin Hcl	200	38
Simvastatin	Simvastatin	184	37
Metoprolol Succinate	Metoprolol Succinate	182	39
Levothyroxine Sodium	Levothyroxine Sodium	178	37
Tamsulosin Hcl	Tamsulosin Hcl	169	33
Omeprazole	Omeprazole	165	39
Oxycodone Hcl	Oxycodone Hcl	151	16
Furosemide	Furosemide	144	34
Carvedilol	Carvedilol	126	21
Glimepiride	Glimepiride	125	28
Hydrochlorothiazide	Hydrochlorothiazide	123	24
Metoprolol Tartrate	Metoprolol Tartrate	115	23
Sertraline Hcl	Sertraline Hcl	113	22
Lorazepam	Lorazepam	99	19
Potassium Chloride	Potassium Chloride	99	26
Diclofenac Sodium	Diclofenac Sodium	88	21
Alprazolam	Alprazolam	78	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	75	15
Albuterol Sulfate Hfa	Albuterol Sulfate	69	20
Allopurinol	Allopurinol	64	13
Clopidogrel	Clopidogrel Bisulfate	64	16
Duloxetine Hcl	Duloxetine Hcl	63	12
Famotidine	Famotidine	62	12
Warfarin Sodium	Warfarin Sodium	61	suppressed
Pravastatin Sodium	Pravastatin Sodium	58	suppressed
Pregabalin	Pregabalin	57	suppressed
Eliquis	Apixaban	55	15
Tramadol Hcl	Tramadol Hcl	55	13
Meloxicam	Meloxicam	53	11
Escitalopram Oxalate	Escitalopram Oxalate	52	11
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	49	suppressed
Gabapentin	Gabapentin	47	11
Spironolactone	Spironolactone	47	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	43	suppressed
Torsemide	Torsemide	43	suppressed
Montelukast Sodium	Montelukast Sodium	39	suppressed
Prednisone	Prednisone	39	22
Atenolol	Atenolol	37	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	37	suppressed
Tizanidine Hcl	Tizanidine Hcl	37	suppressed
Baclofen	Baclofen	35	suppressed
Benazepril Hcl	Benazepril Hcl	34	suppressed
Alendronate Sodium	Alendronate Sodium	33	suppressed
Sucralfate	Sucralfate	33	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	32	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	32	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	32	19
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	32	suppressed
Clonazepam	Clonazepam	31	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	31	suppressed
Bupropion Xl	Bupropion Hcl	30	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	30	suppressed
Celecoxib	Celecoxib	29	suppressed
Ozempic	Semaglutide	29	suppressed
Ropinirole Hcl	Ropinirole Hcl	29	suppressed
Ventolin Hfa	Albuterol Sulfate	29	suppressed
Mirtazapine	Mirtazapine	28	suppressed
Trazodone Hcl	Trazodone Hcl	27	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	27	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	26	suppressed
Primidone	Primidone	26	suppressed
Buspirone Hcl	Buspirone Hcl	25	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	25	suppressed
Cefdinir	Cefdinir	25	23
Ibuprofen	Ibuprofen	25	suppressed
Diazepam	Diazepam	24	suppressed
Levetiracetam	Levetiracetam	24	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	23	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	23	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	22	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	22	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	21	suppressed
Fluticasone Propionate	Fluticasone Propionate	21	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	21	suppressed
Paroxetine Hcl	Paroxetine Hcl	21	suppressed
Azithromycin	Azithromycin	20	13
Fentanyl	Fentanyl	20	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Naproxen	Naproxen	19	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	18	suppressed
Chlorthalidone	Chlorthalidone	18	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	18	suppressed
Amiodarone Hcl	Amiodarone Hcl	17	suppressed
Colestipol Hcl	Colestipol Hcl	17	suppressed
Lansoprazole	Lansoprazole	17	suppressed
Nitroglycerin	Nitroglycerin	17	12
Terbinafine Hcl	Terbinafine Hcl	17	suppressed
Dexamethasone	Dexamethasone	16	suppressed
Nebivolol Hcl	Nebivolol Hcl	16	suppressed
Novolog Flexpen	Insulin Aspart	16	suppressed
Sulindac	Sulindac	16	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	16	suppressed
Colchicine	Colchicine	15	suppressed
Enalapril Maleate	Enalapril Maleate	15	suppressed
Finasteride	Finasteride	15	suppressed
Bumetanide	Bumetanide	14	suppressed
Bupropion Hcl Sr	Bupropion Hcl	14	suppressed
Hydralazine Hcl	Hydralazine Hcl	14	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	14	suppressed
Levemir Flexpen	Insulin Detemir	14	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	14	suppressed
Rybelsus	Semaglutide	14	suppressed
Tresiba Flextouch U-200	Insulin Degludec	14	suppressed
Advair Diskus	Fluticasone Propion/Salmeterol	13	suppressed
Insulin Syringe	Syringe And Needle,insulin,1ml	13	suppressed
Januvia	Sitagliptin Phosphate	13	suppressed
Arnuity Ellipta	Fluticasone Furoate	12	suppressed
Calcitriol	Calcitriol	12	suppressed
Dexlansoprazole Dr	Dexlansoprazole	12	suppressed
Fenofibrate	Fenofibrate	12	suppressed
Glipizide-Metformin	Glipizide/Metformin Hcl	12	suppressed
Irbesartan	Irbesartan	12	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	12	suppressed
Methotrexate	Methotrexate Sodium	12	suppressed
Penicillin V Potassium	Penicillin V Potassium	12	suppressed
Temazepam	Temazepam	12	suppressed
Xarelto	Rivaroxaban	12	suppressed
Xtampza Er	Oxycodone Myristate	12	suppressed
Amoxicillin	Amoxicillin	11	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	11	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	11	suppressed
Ezetimibe	Ezetimibe	11	suppressed
Fluconazole	Fluconazole	11	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	11	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	11	suppressed
Trulicity	Dulaglutide	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

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