Healthcare provider profile · identity verified

Brian W Gaskill, DO

Family Practice · SPOONER, WI · NPI 1922062785

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	809	225
Lisinopril	Lisinopril	457	143
Amlodipine Besylate	Amlodipine Besylate	429	121
Losartan Potassium	Losartan Potassium	373	104
Metoprolol Succinate	Metoprolol Succinate	355	108
Gabapentin	Gabapentin	343	92
Levothyroxine Sodium	Levothyroxine Sodium	338	81
Furosemide	Furosemide	326	94
Omeprazole	Omeprazole	315	96
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	287	47
Tamsulosin Hcl	Tamsulosin Hcl	273	75
Eliquis	Apixaban	241	39
Albuterol Sulfate Hfa	Albuterol Sulfate	236	62
Potassium Chloride	Potassium Chloride	223	53
Rosuvastatin Calcium	Rosuvastatin Calcium	218	71
Metoprolol Tartrate	Metoprolol Tartrate	210	55
Trulicity	Dulaglutide	201	29
Hydrochlorothiazide	Hydrochlorothiazide	192	61
Metformin Hcl	Metformin Hcl	186	48
Trazodone Hcl	Trazodone Hcl	185	51
Simvastatin	Simvastatin	182	54
Oxycodone Hcl	Oxycodone Hcl	178	32
Warfarin Sodium	Warfarin Sodium	163	36
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	156	16
Fluticasone Propionate	Fluticasone Propionate	155	50
Sertraline Hcl	Sertraline Hcl	147	34
Finasteride	Finasteride	146	41
Pantoprazole Sodium	Pantoprazole Sodium	141	38
Tizanidine Hcl	Tizanidine Hcl	140	38
Duloxetine Hcl	Duloxetine Hcl	135	29
Clonazepam	Clonazepam	133	19
Quetiapine Fumarate	Quetiapine Fumarate	129	18
Clopidogrel	Clopidogrel Bisulfate	126	33
Metformin Hcl Er	Metformin Hcl	124	33
Fluoxetine Hcl	Fluoxetine Hcl	123	23
Alprazolam	Alprazolam	120	25
Tramadol Hcl	Tramadol Hcl	113	23
Xarelto	Rivaroxaban	110	27
Mirtazapine	Mirtazapine	104	25
Carvedilol	Carvedilol	98	22
Pregabalin	Pregabalin	95	17
Prednisone	Prednisone	91	49
Citalopram Hbr	Citalopram Hydrobromide	90	23
Allopurinol	Allopurinol	89	28
Montelukast Sodium	Montelukast Sodium	89	22
Ventolin Hfa	Albuterol Sulfate	89	21
Jardiance	Empagliflozin	85	18
Venlafaxine Hcl Er	Venlafaxine Hcl	84	19
Meloxicam	Meloxicam	80	23
Morphine Sulfate Er	Morphine Sulfate	80	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	78	17
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	77	21
Nystatin	Nystatin	76	31
Buspirone Hcl	Buspirone Hcl	74	16
Spironolactone	Spironolactone	74	24
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	72	19
Ropinirole Hcl	Ropinirole Hcl	71	16
Lorazepam	Lorazepam	66	15
Atenolol	Atenolol	64	19
Triamcinolone Acetonide	Triamcinolone Acetonide	60	32
Glimepiride	Glimepiride	59	14
Ondansetron Odt	Ondansetron	59	18
Chlorthalidone	Chlorthalidone	56	14
Zolpidem Tartrate	Zolpidem Tartrate	56	12
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	54	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	48	18
Bupropion Xl	Bupropion Hcl	47	13
Famotidine	Famotidine	46	17
Hydroxyzine Hcl	Hydroxyzine Hcl	46	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	45	15
Spiriva Handihaler	Tiotropium Bromide	45	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	44	12
Pravastatin Sodium	Pravastatin Sodium	44	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	43	suppressed
Baclofen	Baclofen	43	13
Torsemide	Torsemide	43	17
Hydroxyzine Pamoate	Hydroxyzine Pamoate	40	12
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	40	suppressed
Diazepam	Diazepam	39	11
Ketoconazole	Ketoconazole	39	16
Nitroglycerin	Nitroglycerin	39	27
Synthroid	Levothyroxine Sodium	36	suppressed
Breo Ellipta	Fluticasone/Vilanterol	35	suppressed
Estradiol	Estradiol	35	12
Levetiracetam	Levetiracetam	32	suppressed
Diclofenac Sodium	Diclofenac Sodium	31	13
Symbicort	Budesonide/Formoterol Fumarate	31	suppressed
Bupropion Hcl Sr	Bupropion Hcl	30	suppressed
Divalproex Sodium	Divalproex Sodium	30	suppressed
Ibuprofen	Ibuprofen	30	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	30	suppressed
Alendronate Sodium	Alendronate Sodium	29	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	29	suppressed
Hydralazine Hcl	Hydralazine Hcl	29	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	29	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	29	suppressed
Ipratropium Bromide	Ipratropium Bromide	28	suppressed
Januvia	Sitagliptin Phosphate	28	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	27	suppressed
Lactulose	Lactulose	27	suppressed
Paroxetine Hcl	Paroxetine Hcl	27	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	27	suppressed
Cefdinir	Cefdinir	26	26
Incruse Ellipta	Umeclidinium Bromide	26	suppressed
Topiramate	Topiramate	26	suppressed
Primidone	Primidone	25	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	24	24
Terazosin Hcl	Terazosin Hcl	24	suppressed
Valacyclovir	Valacyclovir Hcl	24	11
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	23	suppressed
Farxiga	Dapagliflozin Propanediol	23	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	23	suppressed
Aripiprazole	Aripiprazole	22	suppressed
Glipizide	Glipizide	22	suppressed
Memantine Hcl	Memantine Hcl	22	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	21	suppressed
Ezetimibe	Ezetimibe	21	suppressed
Calcitriol	Calcitriol	20	suppressed
Celecoxib	Celecoxib	20	suppressed
Cephalexin	Cephalexin	20	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	20	15
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	20	suppressed
Acarbose	Acarbose	19	suppressed
Amoxicillin	Amoxicillin	19	13
Arnuity Ellipta	Fluticasone Furoate	19	suppressed
Divalproex Sodium Er	Divalproex Sodium	19	suppressed
Donepezil Hcl	Donepezil Hcl	19	suppressed
Eszopiclone	Eszopiclone	19	suppressed
Lovastatin	Lovastatin	19	suppressed
Mounjaro	Tirzepatide	19	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	18	suppressed
Glyburide	Glyburide	18	suppressed
Loperamide	Loperamide Hcl	18	suppressed
Propranolol Hcl Er	Propranolol Hcl	18	suppressed
Semglee (Yfgn) Pen	Insulin Glargine-Yfgn	18	suppressed
Solifenacin Succinate	Solifenacin Succinate	18	suppressed
Sucralfate	Sucralfate	18	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	17	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	17	suppressed
Enalapril Maleate	Enalapril Maleate	17	suppressed
Hydromorphone Hcl	Hydromorphone Hcl	17	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	17	11
Pioglitazone Hcl	Pioglitazone Hcl	17	suppressed
Risperidone	Risperidone	17	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	17	suppressed
Bumetanide	Bumetanide	16	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	16	suppressed
Ramelteon	Ramelteon	16	suppressed
Roflumilast	Roflumilast	16	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	16	suppressed
Amiodarone Hcl	Amiodarone Hcl	15	suppressed
Fenofibrate	Fenofibrate	15	suppressed
Ibandronate Sodium	Ibandronate Sodium	15	suppressed
Mometasone Furoate	Mometasone Furoate	15	suppressed
Ammonium Lactate	Ammonium Lactate	14	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	14	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	14	suppressed
Digoxin	Digoxin	14	suppressed
Doxepin Hcl	Doxepin Hcl	14	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	14	suppressed
Fluticasone Propionate Hfa	Fluticasone Propionate	14	suppressed
Glipizide Er	Glipizide	14	suppressed
Meclizine Hcl	Meclizine Hcl	14	suppressed
Methotrexate	Methotrexate Sodium	14	suppressed
Mupirocin	Mupirocin	14	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	14	suppressed
Prazosin Hcl	Prazosin Hcl	14	suppressed
Clonidine Hcl	Clonidine Hcl	13	suppressed
Dilt-Xr	Diltiazem Hcl	13	suppressed
Enbrel	Etanercept	13	suppressed
Epinephrine	Epinephrine	13	13
Glycopyrrolate	Glycopyrrolate	13	suppressed
Humalog Kwikpen U-100	Insulin Lispro	13	suppressed
Labetalol Hcl	Labetalol Hcl	13	suppressed
Myrbetriq	Mirabegron	13	suppressed
Ondansetron Hcl	Ondansetron Hcl	13	suppressed
Savella	Milnacipran Hcl	13	suppressed
Temazepam	Temazepam	13	suppressed
Fluconazole	Fluconazole	12	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	12	suppressed
M-Natal Plus	Pnv,calcium 72/Iron/Folic Acid	12	suppressed
Mesalamine	Mesalamine	12	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	12	suppressed
Naratriptan Hcl	Naratriptan Hcl	12	suppressed
Nystop	Nystatin	12	suppressed
Ramipril	Ramipril	12	suppressed
Testosterone	Testosterone	12	suppressed
Ciclopirox	Ciclopirox	11	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	11	suppressed
Nexium	Esomeprazole Magnesium	11	suppressed
Telmisartan	Telmisartan	11	suppressed
Varenicline Tartrate	Varenicline Tartrate	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