Healthcare provider profile · identity verified

William W Kottner, MD

Internal Medicine · WASHINGTON, PA · NPI 1518054204

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	603	85
Atorvastatin Calcium	Atorvastatin Calcium	564	103
Eliquis	Apixaban	332	33
Lisinopril	Lisinopril	329	80
Potassium Chloride	Potassium Chloride	310	35
Omeprazole	Omeprazole	271	40
Gabapentin	Gabapentin	264	37
Furosemide	Furosemide	249	32
Metformin Hcl	Metformin Hcl	248	53
Amlodipine Besylate	Amlodipine Besylate	247	59
Quetiapine Fumarate	Quetiapine Fumarate	236	24
Pantoprazole Sodium	Pantoprazole Sodium	226	46
Pravastatin Sodium	Pravastatin Sodium	207	33
Mirtazapine	Mirtazapine	179	20
Escitalopram Oxalate	Escitalopram Oxalate	177	33
Metoprolol Succinate	Metoprolol Succinate	172	32
Sertraline Hcl	Sertraline Hcl	162	27
Metoprolol Tartrate	Metoprolol Tartrate	161	28
Tamsulosin Hcl	Tamsulosin Hcl	158	29
Losartan Potassium	Losartan Potassium	142	18
Simvastatin	Simvastatin	138	33
Venlafaxine Hcl Er	Venlafaxine Hcl	135	17
Finasteride	Finasteride	122	21
Carvedilol	Carvedilol	120	20
Xarelto	Rivaroxaban	120	12
Famotidine	Famotidine	111	29
Donepezil Hcl	Donepezil Hcl	104	14
Buspirone Hcl	Buspirone Hcl	99	13
Rosuvastatin Calcium	Rosuvastatin Calcium	98	23
Allopurinol	Allopurinol	96	15
Alprazolam	Alprazolam	95	32
Duloxetine Hcl	Duloxetine Hcl	90	suppressed
Rivastigmine	Rivastigmine Tartrate	87	16
Trazodone Hcl	Trazodone Hcl	86	11
Levetiracetam	Levetiracetam	83	suppressed
Montelukast Sodium	Montelukast Sodium	81	15
Irbesartan	Irbesartan	78	21
Synthroid	Levothyroxine Sodium	75	15
Diclofenac Sodium	Diclofenac Sodium	73	26
Meloxicam	Meloxicam	72	19
Prednisone	Prednisone	71	31
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	68	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	67	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	66	15
Alendronate Sodium	Alendronate Sodium	64	12
Clonazepam	Clonazepam	63	suppressed
Glimepiride	Glimepiride	63	18
Valsartan	Valsartan	63	15
Isosorbide Mononitrate Er	Isosorbide Mononitrate	57	suppressed
Hydralazine Hcl	Hydralazine Hcl	56	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	55	16
Fluticasone Propionate	Fluticasone Propionate	54	17
Terazosin Hcl	Terazosin Hcl	54	suppressed
Citalopram Hbr	Citalopram Hydrobromide	52	12
Atenolol	Atenolol	51	14
Sucralfate	Sucralfate	50	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	48	20
Clopidogrel	Clopidogrel Bisulfate	45	12
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	45	suppressed
Amoxicillin	Amoxicillin	43	19
Brilinta	Ticagrelor	43	suppressed
Amiodarone Hcl	Amiodarone Hcl	42	suppressed
Bumetanide	Bumetanide	41	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	41	suppressed
Nifedipine Er	Nifedipine	39	12
Warfarin Sodium	Warfarin Sodium	39	suppressed
Cephalexin	Cephalexin	38	24
Risperidone	Risperidone	37	suppressed
Acetic Acid	Acetic Acid	33	suppressed
Digoxin	Digoxin	33	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	32	20
Tizanidine Hcl	Tizanidine Hcl	32	suppressed
Methotrexate	Methotrexate Sodium	31	suppressed
Telmisartan	Telmisartan	31	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	30	suppressed
Bupropion Hcl Sr	Bupropion Hcl	30	suppressed
Ibuprofen	Ibuprofen	30	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	30	suppressed
Ropinirole Hcl	Ropinirole Hcl	30	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	29	28
Primidone	Primidone	29	suppressed
Restasis	Cyclosporine	29	suppressed
Trulicity	Dulaglutide	29	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	28	suppressed
Midodrine Hcl	Midodrine Hcl	28	suppressed
Santyl	Collagenase Clostridium Hist.	28	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	27	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	27	suppressed
Meclizine Hcl	Meclizine Hcl	27	15
Verapamil Sr	Verapamil Hcl	27	suppressed
Zonisade	Zonisamide	27	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	26	suppressed
Lorazepam	Lorazepam	26	suppressed
Naproxen	Naproxen	25	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	25	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	25	13
Tramadol Hcl	Tramadol Hcl	25	11
Bupropion Xl	Bupropion Hcl	24	suppressed
Baclofen	Baclofen	23	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	23	suppressed
Ozempic	Semaglutide	23	suppressed
Diazepam	Diazepam	22	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	22	suppressed
Humulin 70/30 Kwikpen	Insulin Nph Hum/Reg Insulin Hm	21	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	21	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	21	suppressed
Albuterol Sulfate	Albuterol Sulfate	20	suppressed
Divalproex Sodium	Divalproex Sodium	20	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	20	suppressed
Ondansetron Hcl	Ondansetron Hcl	20	18
Topiramate	Topiramate	20	suppressed
Venlafaxine Hcl	Venlafaxine Hcl	20	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	19	suppressed
Lamotrigine	Lamotrigine	19	suppressed
Latanoprost	Latanoprost	19	suppressed
Latuda	Lurasidone Hcl	19	suppressed
Memantine Hcl	Memantine Hcl	19	suppressed
Olanzapine	Olanzapine	19	suppressed
Sodium Chloride	0.9 % Sodium Chloride	19	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	18	11
Brimonidine Tartrate	Brimonidine Tartrate	18	suppressed
Ezetimibe	Ezetimibe	18	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	18	suppressed
Konvomep	Omeprazole/Sodium Bicarbonate	18	suppressed
Metformin Hcl Er	Metformin Hcl	18	suppressed
Nystatin	Nystatin	18	15
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	17	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	17	suppressed
Paroxetine Hcl	Paroxetine Hcl	17	suppressed
Piperacillin-Tazobactam	Piperacillin Sodium/Tazobactam	17	suppressed
Aripiprazole	Aripiprazole	16	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	16	11
Levofloxacin	Levofloxacin	16	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	16	suppressed
Timolol Maleate	Timolol Maleate	16	suppressed
Azithromycin	Azithromycin	15	11
Celecoxib	Celecoxib	15	suppressed
Diltiazem Hcl	Diltiazem Hcl	15	suppressed
Mupirocin	Mupirocin	15	13
Nyamyc	Nystatin	15	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	14	suppressed
Clonidine Hcl	Clonidine Hcl	14	suppressed
Hydrocortisone	Hydrocortisone	14	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	14	suppressed
Carbamazepine Er	Carbamazepine	13	suppressed
Ceftazidime	Ceftazidime	13	suppressed
Enalapril Maleate	Enalapril Maleate	13	suppressed
Felbamate	Felbamate	13	suppressed
Gemfibrozil	Gemfibrozil	13	suppressed
Rybelsus	Semaglutide	13	suppressed
Spiriva Respimat	Tiotropium Bromide	13	suppressed
Acarbose	Acarbose	12	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	12	suppressed
Carbamazepine	Carbamazepine	12	suppressed
Cefuroxime	Cefuroxime Axetil	12	11
Creon	Lipase/Protease/Amylase	12	suppressed
Diclofenac Sodium-Misoprostol	Diclofenac Sodium/Misoprostol	12	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	12	suppressed
Glipizide	Glipizide	12	suppressed
Indapamide	Indapamide	12	suppressed
Levemir	Insulin Detemir	12	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	12	suppressed
Meropenem	Meropenem	12	suppressed
Oxycodone Hcl	Oxycodone Hcl	12	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	12	suppressed
Tolterodine Tartrate	Tolterodine Tartrate	12	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	12	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	11	suppressed
Ceftriaxone	Ceftriaxone Sodium	11	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	11	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	11	suppressed
Rivastigmine	Rivastigmine	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