Healthcare provider profile · identity verified

Timothy B Mckernan, M.D.

Internal Medicine · ROANOKE, VA · NPI 1821059981

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
Furosemide	Furosemide	534	91
Eliquis	Apixaban	484	61
Levothyroxine Sodium	Levothyroxine Sodium	469	79
Atorvastatin Calcium	Atorvastatin Calcium	465	106
Potassium Chloride	Potassium Chloride	342	59
Pantoprazole Sodium	Pantoprazole Sodium	308	73
Amlodipine Besylate	Amlodipine Besylate	284	52
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	233	38
Metoprolol Tartrate	Metoprolol Tartrate	214	41
Lisinopril	Lisinopril	201	40
Trazodone Hcl	Trazodone Hcl	200	53
Metoprolol Succinate	Metoprolol Succinate	198	41
Memantine Hcl	Memantine Hcl	167	26
Mirtazapine	Mirtazapine	153	33
Losartan Potassium	Losartan Potassium	148	39
Metformin Hcl	Metformin Hcl	140	21
Tamsulosin Hcl	Tamsulosin Hcl	136	41
Quetiapine Fumarate	Quetiapine Fumarate	129	30
Bumetanide	Bumetanide	127	34
Donepezil Hcl	Donepezil Hcl	126	22
Escitalopram Oxalate	Escitalopram Oxalate	126	26
Omeprazole	Omeprazole	125	40
Prednisone	Prednisone	123	39
Carvedilol	Carvedilol	120	31
Duloxetine Hcl	Duloxetine Hcl	118	21
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	112	33
Levetiracetam	Levetiracetam	99	20
Sertraline Hcl	Sertraline Hcl	98	31
Clopidogrel	Clopidogrel Bisulfate	96	24
Isosorbide Mononitrate Er	Isosorbide Mononitrate	96	18
Famotidine	Famotidine	94	25
Lamotrigine	Lamotrigine	89	12
Fluoxetine Hcl	Fluoxetine Hcl	87	19
Buspirone Hcl	Buspirone Hcl	86	24
Hydralazine Hcl	Hydralazine Hcl	82	25
Allopurinol	Allopurinol	76	14
Carbidopa-Levodopa	Carbidopa/Levodopa	76	suppressed
Ondansetron Hcl	Ondansetron Hcl	69	23
Montelukast Sodium	Montelukast Sodium	68	suppressed
Spironolactone	Spironolactone	68	18
Venlafaxine Hcl Er	Venlafaxine Hcl	66	suppressed
Divalproex Sodium	Divalproex Sodium	65	18
Pravastatin Sodium	Pravastatin Sodium	65	12
Ceftriaxone	Ceftriaxone Sodium	64	35
Tresiba Flextouch U-100	Insulin Degludec	63	suppressed
Finasteride	Finasteride	62	14
Lactulose	Lactulose	62	17
Sucralfate	Sucralfate	60	16
Xarelto	Rivaroxaban	59	suppressed
Enulose	Lactulose	58	suppressed
Olanzapine	Olanzapine	56	suppressed
Risperidone	Risperidone	55	suppressed
Xifaxan	Rifaximin	52	suppressed
Amiodarone Hcl	Amiodarone Hcl	50	13
Citalopram Hbr	Citalopram Hydrobromide	50	suppressed
Cephalexin	Cephalexin	49	22
Ezetimibe	Ezetimibe	45	11
Humalog Kwikpen U-100	Insulin Lispro	43	19
Bupropion Hcl Sr	Bupropion Hcl	41	suppressed
Latanoprost	Latanoprost	41	suppressed
Levemir Flexpen	Insulin Detemir	40	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	37	suppressed
Rexulti	Brexpiprazole	34	suppressed
Simvastatin	Simvastatin	34	suppressed
Atenolol	Atenolol	33	suppressed
Bupropion Xl	Bupropion Hcl	33	suppressed
Midodrine Hcl	Midodrine Hcl	33	12
Aripiprazole	Aripiprazole	32	suppressed
Baclofen	Baclofen	32	12
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	32	suppressed
Lidocaine Hcl	Lidocaine Hcl	32	21
Mounjaro	Tirzepatide	32	suppressed
Vancomycin Hcl	Vancomycin Hcl	32	suppressed
Erythromycin	Erythromycin Base	31	suppressed
Nystatin	Nystatin	31	14
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	30	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	29	suppressed
Acarbose	Acarbose	28	suppressed
Breyna	Budesonide/Formoterol Fumarate	28	suppressed
Celecoxib	Celecoxib	28	suppressed
Glimepiride	Glimepiride	28	suppressed
Lyumjev Kwikpen U-100	Insulin Lispro-Aabc	28	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	28	suppressed
Clonidine Hcl	Clonidine Hcl	27	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	27	15
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	27	suppressed
Trulicity	Dulaglutide	27	suppressed
Azithromycin	Azithromycin	26	15
Jardiance	Empagliflozin	26	suppressed
Lithium Carbonate	Lithium Carbonate	26	suppressed
Nitrofurantoin	Nitrofurantoin Macrocrystal	26	suppressed
Novolog	Insulin Aspart	26	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	26	suppressed
Tizanidine Hcl	Tizanidine Hcl	26	suppressed
Alendronate Sodium	Alendronate Sodium	25	suppressed
Diltiazem 24hr Er (La)	Diltiazem Hcl	25	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	24	17
Ertapenem	Ertapenem Sodium	24	12
Incruse Ellipta	Umeclidinium Bromide	24	suppressed
Levofloxacin	Levofloxacin	24	13
Rivastigmine	Rivastigmine Tartrate	24	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	23	suppressed
Januvia	Sitagliptin Phosphate	23	suppressed
Meloxicam	Meloxicam	23	suppressed
Mesalamine Er	Mesalamine	23	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	23	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	23	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	21	suppressed
Colestipol Hcl	Colestipol Hcl	21	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	21	suppressed
Ropinirole Hcl	Ropinirole Hcl	21	suppressed
Farxiga	Dapagliflozin Propanediol	20	suppressed
Restasis	Cyclosporine	20	suppressed
Sodium Chloride	0.9 % Sodium Chloride	20	17
Diclofenac Sodium	Diclofenac Sodium	19	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	19	11
Kapspargo Sprinkle	Metoprolol Succinate	19	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	19	suppressed
Novolog Flexpen	Insulin Aspart	19	suppressed
Phenytoin Sodium Extended	Phenytoin Sodium Extended	19	suppressed
Vancomycin Hcl	Vancomycin/Water For Inj (Peg)	19	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	18	suppressed
Diltiazem Hcl	Diltiazem Hcl	18	suppressed
Fluconazole	Fluconazole	18	13
Fluticasone Propionate	Fluticasone Propionate	18	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	18	suppressed
Valacyclovir	Valacyclovir Hcl	18	suppressed
Lansoprazole	Lansoprazole	17	suppressed
Propranolol Hcl	Propranolol Hcl	17	suppressed
Warfarin Sodium	Warfarin Sodium	17	suppressed
Cilostazol	Cilostazol	16	suppressed
Lidocaine Hcl	Lidocaine Hcl/Pf	16	15
Sevelamer Carbonate	Sevelamer Carbonate	16	suppressed
Breo Ellipta	Fluticasone/Vilanterol	15	suppressed
Breztri Aerosphere	Budesonide/Glycopyr/Formoterol	15	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	15	suppressed
Methocarbamol	Methocarbamol	15	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	14	suppressed
Hydrochlorothiazide	Hydrochlorothiazide	14	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	14	suppressed
Dorzolamide Hcl	Dorzolamide Hcl	13	suppressed
Lidocaine	Lidocaine	13	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	13	suppressed
Verapamil Er	Verapamil Hcl	13	suppressed
Vyzulta	Latanoprostene Bunod	13	suppressed
Atrovent Hfa	Ipratropium Bromide	12	suppressed
Cefdinir	Cefdinir	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	12	suppressed
Gabapentin	Gabapentin	12	suppressed
Glyburide	Glyburide	12	suppressed
Meclizine Hcl	Meclizine Hcl	12	suppressed
Nebivolol Hcl	Nebivolol Hcl	12	suppressed
Ozempic	Semaglutide	12	suppressed
Timolol Maleate	Timolol Maleate	12	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	11	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	11	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	11	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	11	suppressed
Megestrol Acetate	Megestrol Acetate	11	suppressed
Oseltamivir Phosphate	Oseltamivir Phosphate	11	suppressed
Paroxetine Hcl	Paroxetine Hcl	11	suppressed
Ranolazine Er	Ranolazine	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