Healthcare provider profile · identity verified

Brian K Sankey, D.O.

Family Practice · WATERLOO, IA · NPI 1043479355

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
Levothyroxine Sodium	Levothyroxine Sodium	848	181
Atorvastatin Calcium	Atorvastatin Calcium	706	170
Omeprazole	Omeprazole	610	162
Amlodipine Besylate	Amlodipine Besylate	592	158
Lisinopril	Lisinopril	538	143
Simvastatin	Simvastatin	471	120
Metoprolol Succinate	Metoprolol Succinate	414	109
Meloxicam	Meloxicam	411	126
Metformin Hcl	Metformin Hcl	326	84
Hydrochlorothiazide	Hydrochlorothiazide	293	73
Escitalopram Oxalate	Escitalopram Oxalate	291	70
Pantoprazole Sodium	Pantoprazole Sodium	285	70
Furosemide	Furosemide	274	82
Losartan Potassium	Losartan Potassium	262	63
Gabapentin	Gabapentin	207	63
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	204	54
Tizanidine Hcl	Tizanidine Hcl	202	64
Metoprolol Tartrate	Metoprolol Tartrate	188	49
Potassium Chloride	Potassium Chloride	187	47
Tamsulosin Hcl	Tamsulosin Hcl	181	52
Trazodone Hcl	Trazodone Hcl	176	45
Rosuvastatin Calcium	Rosuvastatin Calcium	167	46
Clopidogrel	Clopidogrel Bisulfate	148	36
Glimepiride	Glimepiride	146	39
Eliquis	Apixaban	137	29
Tramadol Hcl	Tramadol Hcl	134	40
Alprazolam	Alprazolam	127	28
Famotidine	Famotidine	122	25
Triamcinolone Acetonide	Triamcinolone Acetonide	122	58
Finasteride	Finasteride	117	34
Allopurinol	Allopurinol	113	33
Carvedilol	Carvedilol	111	27
Warfarin Sodium	Warfarin Sodium	109	22
Metformin Hcl Er	Metformin Hcl	105	27
Albuterol Sulfate Hfa	Albuterol Sulfate	96	30
Fluticasone Propionate	Fluticasone Propionate	95	25
Dexlansoprazole Dr	Dexlansoprazole	92	15
Atenolol	Atenolol	86	24
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	85	29
Oxybutynin Chloride Er	Oxybutynin Chloride	82	17
Baclofen	Baclofen	81	12
Spironolactone	Spironolactone	80	23
Montelukast Sodium	Montelukast Sodium	79	21
Chlorhexidine Gluconate	Chlorhexidine Gluconate	77	11
Prednisone	Prednisone	76	39
Pregabalin	Pregabalin	73	21
Irbesartan	Irbesartan	67	13
Donepezil Hcl	Donepezil Hcl	62	suppressed
Methylprednisolone	Methylprednisolone	59	52
Amitriptyline Hcl	Amitriptyline Hcl	58	12
Solifenacin Succinate	Solifenacin Succinate	58	20
Alendronate Sodium	Alendronate Sodium	57	16
Pravastatin Sodium	Pravastatin Sodium	57	19
Carbamazepine	Carbamazepine	55	suppressed
Lorazepam	Lorazepam	54	17
Ropinirole Hcl	Ropinirole Hcl	54	13
Isosorbide Mononitrate Er	Isosorbide Mononitrate	51	14
Quetiapine Fumarate	Quetiapine Fumarate	51	suppressed
Mirtazapine	Mirtazapine	50	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	48	13
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	47	43
Sertraline Hcl	Sertraline Hcl	47	13
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	46	15
Tresiba Flextouch U-100	Insulin Degludec	46	12
Mupirocin	Mupirocin	45	17
Propranolol Hcl	Propranolol Hcl	45	12
Symbicort	Budesonide/Formoterol Fumarate	45	suppressed
Bupropion Xl	Bupropion Hcl	44	suppressed
Diclofenac Sodium	Diclofenac Sodium	44	13
Duloxetine Hcl	Duloxetine Hcl	43	suppressed
Nystatin	Nystatin	43	21
Levetiracetam	Levetiracetam	42	suppressed
Naproxen	Naproxen	42	15
Nifedipine Er	Nifedipine	42	suppressed
Clonazepam	Clonazepam	41	suppressed
Azithromycin	Azithromycin	40	34
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	40	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	40	12
Buspirone Hcl	Buspirone Hcl	39	suppressed
Citalopram Hbr	Citalopram Hydrobromide	39	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	39	14
Breo Ellipta	Fluticasone/Vilanterol	38	suppressed
Januvia	Sitagliptin Phosphate	38	suppressed
Klor-Con M20	Potassium Chloride	38	11
Mounjaro	Tirzepatide	38	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	38	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	37	11
Estradiol	Estradiol	37	suppressed
Hydralazine Hcl	Hydralazine Hcl	36	suppressed
Lovastatin	Lovastatin	36	suppressed
Memantine Hcl	Memantine Hcl	36	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	35	suppressed
Jardiance	Empagliflozin	34	suppressed
Linzess	Linaclotide	34	suppressed
Ibuprofen	Ibuprofen	33	13
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	33	12
Doxycycline Hyclate	Doxycycline Hyclate	32	12
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	32	suppressed
Scopolamine	Scopolamine	32	suppressed
Bumetanide	Bumetanide	30	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	30	suppressed
Primidone	Primidone	30	suppressed
Tramadol Hcl Er	Tramadol Hcl	29	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	28	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	28	suppressed
Valacyclovir	Valacyclovir Hcl	27	suppressed
Xarelto	Rivaroxaban	25	suppressed
Fluconazole	Fluconazole	24	13
Lamotrigine	Lamotrigine	24	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	24	22
Terazosin Hcl	Terazosin Hcl	24	suppressed
Glipizide	Glipizide	22	suppressed
Amoxicillin	Amoxicillin	21	16
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	21	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	21	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	21	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	21	suppressed
Carbamazepine Er	Carbamazepine	20	suppressed
Nitroglycerin	Nitroglycerin	20	16
Ondansetron Hcl	Ondansetron Hcl	20	suppressed
Sucralfate	Sucralfate	20	suppressed
Tresiba Flextouch U-200	Insulin Degludec	20	suppressed
Lansoprazole	Lansoprazole	19	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	19	suppressed
Ozempic	Semaglutide	19	suppressed
Diazepam	Diazepam	18	suppressed
Enalapril Maleate	Enalapril Maleate	18	suppressed
Meclizine Hcl	Meclizine Hcl	18	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	18	suppressed
Topiramate	Topiramate	18	suppressed
Boostrix Tdap	Diphth,pertuss(Acell),tet Vac	17	17
Carbidopa-Levodopa	Carbidopa/Levodopa	17	suppressed
Celecoxib	Celecoxib	17	suppressed
Cinacalcet Hcl	Cinacalcet Hcl	17	suppressed
Gemfibrozil	Gemfibrozil	17	suppressed
Glipizide Er	Glipizide	17	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	17	suppressed
Ondansetron Odt	Ondansetron	17	suppressed
Synthroid	Levothyroxine Sodium	17	suppressed
Cefdinir	Cefdinir	16	16
Chlorthalidone	Chlorthalidone	16	suppressed
Myrbetriq	Mirabegron	16	suppressed
Oxycodone Hcl	Oxycodone Hcl	16	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	16	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	16	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	16	suppressed
Promethazine Hcl	Promethazine Hcl	16	suppressed
Valsartan	Valsartan	16	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	15	suppressed
Shingrix	Varicella-Zoster Ge/As01b/Pf	15	14
Sotalol	Sotalol Hcl	15	suppressed
Dilt-Xr	Diltiazem Hcl	14	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	14	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	13	suppressed
Jantoven	Warfarin Sodium	13	suppressed
Lacosamide	Lacosamide	13	suppressed
Loperamide	Loperamide Hcl	13	suppressed
Memantine Hcl Er	Memantine Hcl	13	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	13	suppressed
Verapamil Sr	Verapamil Hcl	13	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	12	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	12	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	12	suppressed
Ipratropium Bromide	Ipratropium Bromide	12	suppressed
Ketoconazole	Ketoconazole	12	suppressed
Konvomep	Omeprazole/Sodium Bicarbonate	12	suppressed
Methimazole	Methimazole	12	suppressed
Methotrexate	Methotrexate Sodium	12	suppressed
Phenytoin	Phenytoin	12	suppressed
Premarin	Estrogens, Conjugated	12	suppressed
Trileptal	Oxcarbazepine	12	suppressed
Ventolin Hfa	Albuterol Sulfate	12	suppressed
Bupropion Hcl Sr	Bupropion Hcl	11	suppressed
Clindamycin Hcl	Clindamycin Hcl	11	suppressed
Levemir Flexpen	Insulin Detemir	11	suppressed
Rizatriptan	Rizatriptan Benzoate	11	suppressed
Tradjenta	Linagliptin	11	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	11	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	11	11

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