Healthcare provider profile · identity verified

Thomas S Waters, D.O.

Family Practice · SIOUX CITY, IA · NPI 1831537810

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	534	148
Levothyroxine Sodium	Levothyroxine Sodium	331	78
Omeprazole	Omeprazole	316	92
Losartan Potassium	Losartan Potassium	272	74
Lisinopril	Lisinopril	251	71
Amlodipine Besylate	Amlodipine Besylate	241	61
Metformin Hcl	Metformin Hcl	219	53
Tamsulosin Hcl	Tamsulosin Hcl	205	54
Metoprolol Succinate	Metoprolol Succinate	203	55
Rosuvastatin Calcium	Rosuvastatin Calcium	198	58
Gabapentin	Gabapentin	194	41
Eliquis	Apixaban	192	32
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	180	35
Furosemide	Furosemide	143	46
Tramadol Hcl	Tramadol Hcl	139	38
Jardiance	Empagliflozin	134	21
Duloxetine Hcl	Duloxetine Hcl	128	30
Famotidine	Famotidine	128	30
Fluoxetine Hcl	Fluoxetine Hcl	128	34
Ozempic	Semaglutide	126	20
Allopurinol	Allopurinol	123	29
Trazodone Hcl	Trazodone Hcl	123	33
Clopidogrel	Clopidogrel Bisulfate	120	28
Finasteride	Finasteride	120	33
Pantoprazole Sodium	Pantoprazole Sodium	117	33
Spironolactone	Spironolactone	115	31
Warfarin Sodium	Warfarin Sodium	107	23
Sertraline Hcl	Sertraline Hcl	96	21
Trulicity	Dulaglutide	92	12
Lorazepam	Lorazepam	91	22
Alendronate Sodium	Alendronate Sodium	90	25
Buspirone Hcl	Buspirone Hcl	90	17
Prednisone	Prednisone	89	59
Hydrochlorothiazide	Hydrochlorothiazide	87	27
Carvedilol	Carvedilol	86	25
Bupropion Xl	Bupropion Hcl	84	21
Albuterol Sulfate Hfa	Albuterol Sulfate	83	28
Metoprolol Tartrate	Metoprolol Tartrate	81	22
Simvastatin	Simvastatin	79	22
Azithromycin	Azithromycin	78	56
Potassium Chloride	Potassium Chloride	77	23
Meloxicam	Meloxicam	76	28
Zolpidem Tartrate	Zolpidem Tartrate	76	13
Escitalopram Oxalate	Escitalopram Oxalate	74	19
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	70	25
Montelukast Sodium	Montelukast Sodium	70	17
Torsemide	Torsemide	67	17
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	58	15
Oxycodone Hcl	Oxycodone Hcl	57	suppressed
Citalopram Hbr	Citalopram Hydrobromide	54	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	53	12
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	52	14
Ropinirole Hcl	Ropinirole Hcl	51	13
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	50	34
Breo Ellipta	Fluticasone/Vilanterol	49	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	49	14
Fluticasone Propionate	Fluticasone Propionate	48	14
Isosorbide Mononitrate Er	Isosorbide Mononitrate	48	suppressed
Cephalexin	Cephalexin	47	36
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	47	14
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	46	14
Alprazolam	Alprazolam	44	suppressed
Celecoxib	Celecoxib	43	14
Amitriptyline Hcl	Amitriptyline Hcl	41	suppressed
Memantine Hcl	Memantine Hcl	40	suppressed
Mirtazapine	Mirtazapine	40	11
Pregabalin	Pregabalin	40	suppressed
Mounjaro	Tirzepatide	36	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	35	29
Solifenacin Succinate	Solifenacin Succinate	34	suppressed
Lamotrigine	Lamotrigine	33	suppressed
Clonazepam	Clonazepam	32	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	30	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	30	suppressed
Levetiracetam	Levetiracetam	29	suppressed
Donepezil Hcl	Donepezil Hcl	28	suppressed
Naproxen	Naproxen	28	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	27	suppressed
Pravastatin Sodium	Pravastatin Sodium	27	suppressed
Risperidone	Risperidone	27	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	26	suppressed
Sod Sulf-Potass Sulf-Mag Sulf	Sodium, Potassium,mag Sulfates	26	26
Topiramate	Topiramate	26	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	25	suppressed
Glipizide Er	Glipizide	25	suppressed
Bumetanide	Bumetanide	23	suppressed
Chlorthalidone	Chlorthalidone	23	suppressed
Farxiga	Dapagliflozin Propanediol	23	suppressed
Gemfibrozil	Gemfibrozil	23	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	22	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	22	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	22	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	22	13
Bupropion Hcl Sr	Bupropion Hcl	21	suppressed
Diclofenac Sodium	Diclofenac Sodium	21	suppressed
Fluconazole	Fluconazole	21	15
Olanzapine	Olanzapine	21	suppressed
Ondansetron Odt	Ondansetron	21	15
Tresiba Flextouch U-100	Insulin Degludec	21	suppressed
Amiodarone Hcl	Amiodarone Hcl	20	suppressed
Amoxicillin	Amoxicillin	20	18
Morphine Sulfate Er	Morphine Sulfate	20	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	20	suppressed
Propranolol Hcl Er	Propranolol Hcl	20	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	20	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	20	19
Carbidopa-Levodopa Er	Carbidopa/Levodopa	19	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	19	17
Metformin Hcl Er	Metformin Hcl	19	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	19	suppressed
Baclofen	Baclofen	18	suppressed
Lidocaine	Lidocaine	18	suppressed
Naltrexone Hcl	Naltrexone Hcl	18	suppressed
Ondansetron Hcl	Ondansetron Hcl	18	suppressed
Incruse Ellipta	Umeclidinium Bromide	17	suppressed
Xarelto	Rivaroxaban	17	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	16	suppressed
Diltiazem Hcl	Diltiazem Hcl	16	suppressed
Eszopiclone	Eszopiclone	16	suppressed
Novolog Flexpen	Insulin Aspart	16	suppressed
Ventolin Hfa	Albuterol Sulfate	16	suppressed
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	15	suppressed
Estradiol	Estradiol	15	suppressed
Hydralazine Hcl	Hydralazine Hcl	15	suppressed
Ipratropium Bromide	Ipratropium Bromide	15	suppressed
Morphine Sulfate	Morphine Sulfate	15	suppressed
Mupirocin	Mupirocin	15	suppressed
Synthroid	Levothyroxine Sodium	15	suppressed
Tobramycin-Dexamethasone	Tobramycin/Dexamethasone	15	suppressed
Atenolol	Atenolol	14	suppressed
Humalog Kwikpen U-100	Insulin Lispro	14	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	14	suppressed
Nystatin	Nystatin	14	11
Paxlovid	Nirmatrelvir/Ritonavir	14	14
Zolpidem Tartrate Er	Zolpidem Tartrate	14	suppressed
Cholestyramine	Cholestyramine (With Sugar)	13	suppressed
Estradiol (Once Weekly)	Estradiol	13	suppressed
Ezetimibe	Ezetimibe	13	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	13	suppressed
Metolazone	Metolazone	13	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	13	suppressed
Nitroglycerin	Nitroglycerin	13	suppressed
Paroxetine Hcl	Paroxetine Hcl	13	suppressed
Potassium Citrate Er	Potassium Citrate	13	suppressed
Rizatriptan	Rizatriptan Benzoate	13	suppressed
Silodosin	Silodosin	13	suppressed
Sotalol	Sotalol Hcl	13	suppressed
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Cefdinir	Cefdinir	12	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	12	suppressed
Lovastatin	Lovastatin	12	suppressed
Methylprednisolone	Methylprednisolone	12	11
Metoclopramide Hcl	Metoclopramide Hcl	12	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	12	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	12	suppressed
Scopolamine	Scopolamine	12	suppressed
Tizanidine Hcl	Tizanidine Hcl	12	suppressed
Methocarbamol	Methocarbamol	11	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	11	suppressed
Nyamyc	Nystatin	11	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	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