Healthcare provider profile · identity verified

Kenneth A Clark, MD

Internal Medicine · GALAX, VA · NPI 1902880370

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	462	141
Pantoprazole Sodium	Pantoprazole Sodium	342	112
Levothyroxine Sodium	Levothyroxine Sodium	229	72
Omeprazole	Omeprazole	229	75
Lisinopril	Lisinopril	210	64
Metformin Hcl	Metformin Hcl	201	55
Losartan Potassium	Losartan Potassium	189	55
Metoprolol Succinate	Metoprolol Succinate	181	52
Alprazolam	Alprazolam	177	35
Hydrochlorothiazide	Hydrochlorothiazide	168	54
Amlodipine Besylate	Amlodipine Besylate	163	52
Metoprolol Tartrate	Metoprolol Tartrate	160	48
Rosuvastatin Calcium	Rosuvastatin Calcium	158	56
Furosemide	Furosemide	157	53
Meloxicam	Meloxicam	132	47
Gabapentin	Gabapentin	128	37
Metformin Hcl Er	Metformin Hcl	125	40
Albuterol Sulfate Hfa	Albuterol Sulfate	121	40
Sertraline Hcl	Sertraline Hcl	113	34
Escitalopram Oxalate	Escitalopram Oxalate	110	29
Pravastatin Sodium	Pravastatin Sodium	106	34
Eliquis	Apixaban	103	29
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	102	19
Tamsulosin Hcl	Tamsulosin Hcl	102	34
Clopidogrel	Clopidogrel Bisulfate	100	30
Allopurinol	Allopurinol	99	33
Prednisone	Prednisone	96	42
Jardiance	Empagliflozin	93	23
Atenolol	Atenolol	92	28
Potassium Chloride	Potassium Chloride	92	30
Spironolactone	Spironolactone	92	27
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	89	26
Montelukast Sodium	Montelukast Sodium	89	26
Famotidine	Famotidine	86	39
Lorazepam	Lorazepam	86	17
Glipizide	Glipizide	85	25
Warfarin Sodium	Warfarin Sodium	82	24
Esomeprazole Magnesium	Esomeprazole Magnesium	80	30
Trazodone Hcl	Trazodone Hcl	80	29
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	76	16
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	74	25
Tramadol Hcl	Tramadol Hcl	73	16
Diclofenac Sodium	Diclofenac Sodium	71	21
Duloxetine Hcl	Duloxetine Hcl	65	16
Ozempic	Semaglutide	65	18
Pregabalin	Pregabalin	65	13
Candesartan Cilexetil	Candesartan Cilexetil	64	19
Carvedilol	Carvedilol	63	17
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	62	18
Simvastatin	Simvastatin	60	18
Venlafaxine Hcl Er	Venlafaxine Hcl	60	14
Mounjaro	Tirzepatide	59	12
Amitriptyline Hcl	Amitriptyline Hcl	57	17
Zolpidem Tartrate	Zolpidem Tartrate	57	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	55	suppressed
Buspirone Hcl	Buspirone Hcl	53	19
Donepezil Hcl	Donepezil Hcl	52	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	52	17
Cephalexin	Cephalexin	49	39
Fluticasone Propionate	Fluticasone Propionate	48	16
Azithromycin	Azithromycin	47	38
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	45	suppressed
Clonazepam	Clonazepam	44	suppressed
Irbesartan	Irbesartan	44	13
Ropinirole Hcl	Ropinirole Hcl	44	13
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	41	suppressed
Tizanidine Hcl	Tizanidine Hcl	41	suppressed
Bumetanide	Bumetanide	40	12
Sucralfate	Sucralfate	40	18
Synthroid	Levothyroxine Sodium	40	14
Fluoxetine Hcl	Fluoxetine Hcl	39	11
Nortriptyline Hcl	Nortriptyline Hcl	39	13
Azathioprine	Azathioprine	38	suppressed
Candesartan-Hydrochlorothiazid	Candesartan/Hydrochlorothiazid	38	12
Metoclopramide Hcl	Metoclopramide Hcl	37	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	36	13
Meclizine Hcl	Meclizine Hcl	36	13
Triamcinolone Acetonide	Triamcinolone Acetonide	36	13
Isosorbide Mononitrate Er	Isosorbide Mononitrate	35	11
Ondansetron Odt	Ondansetron	35	13
Ezetimibe	Ezetimibe	34	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	34	11
Aripiprazole	Aripiprazole	33	suppressed
Linzess	Linaclotide	33	13
Mirtazapine	Mirtazapine	33	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	33	suppressed
Amoxicillin	Amoxicillin	31	23
Alendronate Sodium	Alendronate Sodium	30	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	30	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	30	suppressed
Citalopram Hbr	Citalopram Hydrobromide	28	suppressed
Clonidine Hcl	Clonidine Hcl	28	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	28	21
Benazepril Hcl	Benazepril Hcl	27	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	27	suppressed
Verapamil Er	Verapamil Hcl	27	suppressed
Ibuprofen	Ibuprofen	26	suppressed
Lansoprazole	Lansoprazole	26	suppressed
Metronidazole	Metronidazole	26	12
Celecoxib	Celecoxib	24	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	24	suppressed
Ketoconazole	Ketoconazole	24	suppressed
Novolog Mix 70-30 Flexpen	Insulin Aspart Prot/Insuln Asp	24	suppressed
Finasteride	Finasteride	23	suppressed
Estradiol	Estradiol	22	suppressed
Glipizide Er	Glipizide	22	suppressed
Temazepam	Temazepam	22	suppressed
Colestipol Hcl	Colestipol Hcl	21	12
Enalapril Maleate	Enalapril Maleate	21	suppressed
Lamotrigine	Lamotrigine	21	suppressed
Promethazine Hcl	Promethazine Hcl	21	suppressed
Trulicity	Dulaglutide	21	suppressed
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	20	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	20	suppressed
Klor-Con M20	Potassium Chloride	19	suppressed
Nexium	Esomeprazole Magnesium	19	suppressed
Chlorthalidone	Chlorthalidone	18	suppressed
Flecainide Acetate	Flecainide Acetate	18	suppressed
Lovastatin	Lovastatin	18	suppressed
Varenicline Tartrate	Varenicline Tartrate	18	suppressed
Januvia	Sitagliptin Phosphate	17	suppressed
Memantine Hcl	Memantine Hcl	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Symbicort	Budesonide/Formoterol Fumarate	17	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	16	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	16	suppressed
Methocarbamol	Methocarbamol	16	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	15	suppressed
Farxiga	Dapagliflozin Propanediol	15	suppressed
Fluconazole	Fluconazole	15	14
Hydrocortisone	Hydrocortisone	15	suppressed
Probenecid-Colchicine	Probenecid/Colchicine	15	suppressed
Risperidone	Risperidone	15	suppressed
Torsemide	Torsemide	15	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	14	11
Benazepril-Hydrochlorothiazide	Benazepril/Hydrochlorothiazide	14	suppressed
Gemfibrozil	Gemfibrozil	14	suppressed
Ondansetron Hcl	Ondansetron Hcl	14	12
Oxycodone Hcl	Oxycodone Hcl	14	suppressed
Verapamil Hcl	Verapamil Hcl	14	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	14	suppressed
Bupropion Xl	Bupropion Hcl	13	suppressed
Dexlansoprazole Dr	Dexlansoprazole	13	suppressed
Hydralazine Hcl	Hydralazine Hcl	13	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	13	suppressed
Novolin 70-30	Insulin Nph Hum/Reg Insulin Hm	13	suppressed
Terazosin Hcl	Terazosin Hcl	13	suppressed
Divalproex Sodium Er	Divalproex Sodium	12	suppressed
Flunisolide	Flunisolide	12	suppressed
Indomethacin	Indomethacin	12	suppressed
Nitroglycerin	Nitroglycerin	12	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	12	suppressed
Diltiazem Hcl	Diltiazem Hcl	11	suppressed
Levalbuterol Tartrate Hfa	Levalbuterol Tartrate	11	suppressed
Levetiracetam	Levetiracetam	11	suppressed
Minoxidil	Minoxidil	11	suppressed
Movantik	Naloxegol Oxalate	11	suppressed
Mupirocin	Mupirocin	11	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	11	suppressed
Paroxetine Hcl	Paroxetine Hcl	11	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	11	suppressed
Sulfasalazine	Sulfasalazine	11	suppressed
Testosterone Cypionate	Testosterone Cypionate	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