Healthcare provider profile · identity verified

Tyler J Grunow, MD

Family Practice · OREGON, WI · NPI 1699237479

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	546	140
Amlodipine Besylate	Amlodipine Besylate	342	93
Omeprazole	Omeprazole	296	78
Lisinopril	Lisinopril	289	75
Levothyroxine Sodium	Levothyroxine Sodium	225	58
Hydrochlorothiazide	Hydrochlorothiazide	203	56
Losartan Potassium	Losartan Potassium	194	57
Simvastatin	Simvastatin	190	47
Metoprolol Succinate	Metoprolol Succinate	152	38
Rosuvastatin Calcium	Rosuvastatin Calcium	152	46
Tamsulosin Hcl	Tamsulosin Hcl	137	35
Gabapentin	Gabapentin	133	39
Metformin Hcl Er	Metformin Hcl	133	36
Trazodone Hcl	Trazodone Hcl	132	31
Eliquis	Apixaban	130	33
Furosemide	Furosemide	91	29
Fluoxetine Hcl	Fluoxetine Hcl	86	22
Valsartan	Valsartan	85	24
Pantoprazole Sodium	Pantoprazole Sodium	84	26
Sertraline Hcl	Sertraline Hcl	81	22
Atenolol	Atenolol	79	22
Carvedilol	Carvedilol	74	19
Spironolactone	Spironolactone	73	17
Metformin Hcl	Metformin Hcl	68	17
Fluticasone Propionate	Fluticasone Propionate	67	26
Ipratropium Bromide	Ipratropium Bromide	64	33
Xarelto	Rivaroxaban	64	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	63	18
Citalopram Hbr	Citalopram Hydrobromide	60	suppressed
Oxycodone Hcl	Oxycodone Hcl	59	17
Donepezil Hcl	Donepezil Hcl	58	12
Duloxetine Hcl	Duloxetine Hcl	58	12
Metoprolol Tartrate	Metoprolol Tartrate	58	18
Albuterol Sulfate Hfa	Albuterol Sulfate	55	22
Bupropion Xl	Bupropion Hcl	54	15
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	53	16
Escitalopram Oxalate	Escitalopram Oxalate	53	18
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	53	12
Famotidine	Famotidine	52	11
Ozempic	Semaglutide	50	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	46	31
Finasteride	Finasteride	44	13
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	43	12
Jardiance	Empagliflozin	43	13
Potassium Chloride	Potassium Chloride	43	suppressed
Mirtazapine	Mirtazapine	42	12
Farxiga	Dapagliflozin Propanediol	40	suppressed
Lovastatin	Lovastatin	40	suppressed
Tramadol Hcl	Tramadol Hcl	38	suppressed
Allopurinol	Allopurinol	37	11
Clopidogrel	Clopidogrel Bisulfate	36	14
Glipizide Er	Glipizide	36	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	36	suppressed
Montelukast Sodium	Montelukast Sodium	35	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	35	suppressed
Clonazepam	Clonazepam	34	suppressed
Lorazepam	Lorazepam	33	14
Sumatriptan Succinate	Sumatriptan Succinate	33	suppressed
Trulicity	Dulaglutide	33	suppressed
Pregabalin	Pregabalin	32	suppressed
Ezetimibe	Ezetimibe	31	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	29	suppressed
Diclofenac Sodium	Diclofenac Sodium	27	11
Prednisone	Prednisone	27	17
Terazosin Hcl	Terazosin Hcl	27	suppressed
Chlorthalidone	Chlorthalidone	26	suppressed
Risperidone	Risperidone	26	suppressed
Benazepril Hcl	Benazepril Hcl	25	suppressed
Alprazolam	Alprazolam	24	suppressed
Aripiprazole	Aripiprazole	24	suppressed
Celecoxib	Celecoxib	24	14
Pravastatin Sodium	Pravastatin Sodium	24	suppressed
Propranolol Hcl	Propranolol Hcl	24	suppressed
Bupropion Hcl Sr	Bupropion Hcl	23	suppressed
Fenofibrate	Fenofibrate	23	suppressed
Mounjaro	Tirzepatide	23	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	23	suppressed
Buspirone Hcl	Buspirone Hcl	22	suppressed
Spiriva Handihaler	Tiotropium Bromide	22	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	22	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	21	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	21	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	19	17
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	19	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	18	suppressed
Azithromycin	Azithromycin	17	17
Estradiol	Estradiol	17	suppressed
Glimepiride	Glimepiride	17	suppressed
Nitroglycerin	Nitroglycerin	17	11
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	17	11
Amitriptyline Hcl	Amitriptyline Hcl	16	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	16	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	16	suppressed
Irbesartan	Irbesartan	16	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	16	suppressed
Meloxicam	Meloxicam	16	suppressed
Naltrexone Hcl	Naltrexone Hcl	16	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	16	14
Baclofen	Baclofen	15	suppressed
Breo Ellipta	Fluticasone/Vilanterol	15	suppressed
Desmopressin Acetate	Desmopressin Acetate	15	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	15	suppressed
Enalapril Maleate	Enalapril Maleate	15	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	15	suppressed
Synthroid	Levothyroxine Sodium	15	suppressed
Ventolin Hfa	Albuterol Sulfate	15	suppressed
Loperamide	Loperamide Hcl	14	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Bydureon Bcise	Exenatide Microspheres	13	suppressed
Cephalexin	Cephalexin	13	suppressed
Memantine Hcl	Memantine Hcl	13	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	13	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	12	suppressed
Ketoconazole	Ketoconazole	12	suppressed
Lamotrigine	Lamotrigine	12	suppressed
Movantik	Naloxegol Oxalate	12	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	12	suppressed
Nystatin	Nystatin	12	suppressed
Symbicort	Budesonide/Formoterol Fumarate	12	suppressed
Amoxicillin	Amoxicillin	11	suppressed
Eszopiclone	Eszopiclone	11	suppressed
Fentanyl	Fentanyl	11	suppressed
Humalog Kwikpen U-100	Insulin Lispro	11	suppressed
Ondansetron Odt	Ondansetron	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