Healthcare provider profile · identity verified

Brett Joel Olson, M.D.

Family Practice · SPIRIT LAKE, IA · NPI 1346211646

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
Furosemide	Furosemide	536	99
Atorvastatin Calcium	Atorvastatin Calcium	514	120
Levothyroxine Sodium	Levothyroxine Sodium	416	82
Losartan Potassium	Losartan Potassium	396	94
Potassium Chloride	Potassium Chloride	390	54
Omeprazole	Omeprazole	348	83
Amlodipine Besylate	Amlodipine Besylate	343	77
Gabapentin	Gabapentin	315	61
Lisinopril	Lisinopril	310	71
Tramadol Hcl	Tramadol Hcl	291	64
Metoprolol Succinate	Metoprolol Succinate	272	65
Simvastatin	Simvastatin	252	62
Hydrochlorothiazide	Hydrochlorothiazide	242	59
Eliquis	Apixaban	238	35
Metoprolol Tartrate	Metoprolol Tartrate	218	43
Lorazepam	Lorazepam	194	36
Alprazolam	Alprazolam	183	30
Rosuvastatin Calcium	Rosuvastatin Calcium	175	44
Zolpidem Tartrate	Zolpidem Tartrate	172	41
Tamsulosin Hcl	Tamsulosin Hcl	165	42
Albuterol Sulfate Hfa	Albuterol Sulfate	163	47
Clopidogrel	Clopidogrel Bisulfate	162	29
Carvedilol	Carvedilol	161	26
Metformin Hcl	Metformin Hcl	157	43
Pantoprazole Sodium	Pantoprazole Sodium	156	30
Cephalexin	Cephalexin	145	108
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	138	38
Allopurinol	Allopurinol	121	26
Trazodone Hcl	Trazodone Hcl	108	19
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	107	23
Xarelto	Rivaroxaban	104	20
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	102	24
Metformin Hcl Er	Metformin Hcl	102	22
Prednisone	Prednisone	100	50
Glimepiride	Glimepiride	96	24
Sertraline Hcl	Sertraline Hcl	95	26
Citalopram Hbr	Citalopram Hydrobromide	93	14
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	90	17
Pravastatin Sodium	Pravastatin Sodium	87	16
Donepezil Hcl	Donepezil Hcl	86	14
Escitalopram Oxalate	Escitalopram Oxalate	86	17
Warfarin Sodium	Warfarin Sodium	81	18
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	76	17
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	70	19
Duloxetine Hcl	Duloxetine Hcl	66	15
Lamotrigine	Lamotrigine	64	suppressed
Meloxicam	Meloxicam	63	17
Januvia	Sitagliptin Phosphate	61	suppressed
Mirtazapine	Mirtazapine	61	11
Pioglitazone Hcl	Pioglitazone Hcl	60	19
Ventolin Hfa	Albuterol Sulfate	58	14
Spironolactone	Spironolactone	56	12
Isosorbide Mononitrate Er	Isosorbide Mononitrate	55	suppressed
Jardiance	Empagliflozin	55	suppressed
Memantine Hcl	Memantine Hcl	54	suppressed
Fluticasone Propionate	Fluticasone Propionate	52	19
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	50	15
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	49	suppressed
Trulicity	Dulaglutide	49	suppressed
Azithromycin	Azithromycin	48	43
Myrbetriq	Mirabegron	48	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	46	38
Famotidine	Famotidine	46	14
Gemfibrozil	Gemfibrozil	46	suppressed
Levetiracetam	Levetiracetam	45	suppressed
Montelukast Sodium	Montelukast Sodium	45	12
Quetiapine Fumarate	Quetiapine Fumarate	44	suppressed
Buspirone Hcl	Buspirone Hcl	43	11
Entresto	Sacubitril/Valsartan	43	suppressed
Ondansetron Hcl	Ondansetron Hcl	42	11
Propranolol Hcl	Propranolol Hcl	42	suppressed
Risperidone	Risperidone	42	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	41	suppressed
Divalproex Sodium	Divalproex Sodium	40	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	40	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	40	18
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	39	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	39	suppressed
Novolog Flexpen	Insulin Aspart	39	suppressed
Celecoxib	Celecoxib	38	16
Ropinirole Hcl	Ropinirole Hcl	38	suppressed
Atenolol	Atenolol	37	12
Paroxetine Hcl	Paroxetine Hcl	37	suppressed
Jantoven	Warfarin Sodium	36	suppressed
Cefdinir	Cefdinir	35	29
Benazepril Hcl	Benazepril Hcl	34	suppressed
Finasteride	Finasteride	34	suppressed
Memantine Hcl Er	Memantine Hcl	34	suppressed
Amoxicillin	Amoxicillin	33	24
Clonazepam	Clonazepam	33	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	33	suppressed
Prazosin Hcl	Prazosin Hcl	31	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	30	suppressed
Chlorthalidone	Chlorthalidone	30	suppressed
Midodrine Hcl	Midodrine Hcl	30	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	30	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	29	suppressed
Albuterol Sulfate	Albuterol Sulfate	27	suppressed
Benztropine Mesylate	Benztropine Mesylate	27	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	27	suppressed
Pregabalin	Pregabalin	27	suppressed
Digoxin	Digoxin	26	suppressed
Amiodarone Hcl	Amiodarone Hcl	25	suppressed
Breo Ellipta	Fluticasone/Vilanterol	25	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	25	suppressed
Novolog	Insulin Aspart	25	suppressed
Bupropion Xl	Bupropion Hcl	24	suppressed
Nifedipine Er	Nifedipine	23	suppressed
Sildenafil Citrate	Sildenafil Citrate	23	suppressed
Symbicort	Budesonide/Formoterol Fumarate	23	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	23	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	22	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	22	suppressed
Hydrocortisone	Hydrocortisone	22	14
Lacosamide	Lacosamide	22	suppressed
Novolin 70-30 Flexpen	Insulin Nph Hum/Reg Insulin Hm	22	suppressed
Oxycodone Hcl	Oxycodone Hcl	22	suppressed
Ozempic	Semaglutide	22	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	22	suppressed
Ramipril	Ramipril	22	suppressed
Fenofibrate	Fenofibrate	21	suppressed
Ketoconazole	Ketoconazole	21	14
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	21	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	20	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	20	14
Ibuprofen	Ibuprofen	20	suppressed
Paliperidone Er	Paliperidone	20	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	19	suppressed
Latanoprost	Latanoprost	19	suppressed
Verapamil Er	Verapamil Hcl	19	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	18	suppressed
Irbesartan	Irbesartan	18	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	18	suppressed
Olanzapine	Olanzapine	18	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	18	suppressed
Telmisartan	Telmisartan	18	suppressed
Mupirocin	Mupirocin	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	17	suppressed
Valacyclovir	Valacyclovir Hcl	17	suppressed
Alendronate Sodium	Alendronate Sodium	16	suppressed
Baclofen	Baclofen	16	suppressed
Lovastatin	Lovastatin	16	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	16	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	16	suppressed
Tresiba Flextouch U-100	Insulin Degludec	16	suppressed
Meclizine Hcl	Meclizine Hcl	15	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	15	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	15	suppressed
Fentanyl	Fentanyl	14	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Rivastigmine	Rivastigmine Tartrate	14	suppressed
Valsartan	Valsartan	14	suppressed
Aimovig Autoinjector	Erenumab-Aooe	13	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	13	suppressed
Divalproex Sodium Er	Divalproex Sodium	13	suppressed
Dutasteride	Dutasteride	13	suppressed
Enbrel	Etanercept	13	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	13	suppressed
Hydralazine Hcl	Hydralazine Hcl	13	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	13	suppressed
Methylprednisolone	Methylprednisolone	13	suppressed
Modafinil	Modafinil	13	suppressed
Nitroglycerin	Nitroglycerin	13	11
Norvasc	Amlodipine Besylate	13	suppressed
Probenecid-Colchicine	Probenecid/Colchicine	13	suppressed
Solifenacin Succinate	Solifenacin Succinate	13	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	13	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	12	suppressed
Carisoprodol	Carisoprodol	12	suppressed
Estradiol	Estradiol	12	suppressed
Invega Sustenna	Paliperidone Palmitate	12	suppressed
Lansoprazole	Lansoprazole	12	suppressed
Levemir Flexpen	Insulin Detemir	12	suppressed
Nyamyc	Nystatin	12	suppressed
Nystatin	Nystatin	12	suppressed
Raloxifene Hcl	Raloxifene Hcl	12	suppressed
Torsemide	Torsemide	12	suppressed
Arnuity Ellipta	Fluticasone Furoate	11	suppressed
Asmanex	Mometasone Furoate	11	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	11	suppressed
Gentamicin Sulfate	Gentamicin Sulfate	11	11
Glipizide Er	Glipizide	11	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	11	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	11	suppressed
Methocarbamol	Methocarbamol	11	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	11	suppressed
Vraylar	Cariprazine 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