Healthcare provider profile · identity verified

Bert J. Klein, M.D.

Internal Medicine · BURLINGTON, NC · NPI 1417977513

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	941	216
Atorvastatin Calcium	Atorvastatin Calcium	733	189
Losartan Potassium	Losartan Potassium	600	160
Amlodipine Besylate	Amlodipine Besylate	586	160
Pantoprazole Sodium	Pantoprazole Sodium	512	127
Omeprazole	Omeprazole	420	127
Metoprolol Succinate	Metoprolol Succinate	409	99
Rosuvastatin Calcium	Rosuvastatin Calcium	407	117
Lisinopril	Lisinopril	391	99
Alprazolam	Alprazolam	386	73
Hydrochlorothiazide	Hydrochlorothiazide	331	97
Gabapentin	Gabapentin	301	75
Trazodone Hcl	Trazodone Hcl	262	66
Pravastatin Sodium	Pravastatin Sodium	214	60
Metoprolol Tartrate	Metoprolol Tartrate	213	63
Simvastatin	Simvastatin	213	56
Metformin Hcl	Metformin Hcl	208	57
Tramadol Hcl	Tramadol Hcl	199	41
Lovastatin	Lovastatin	196	47
Potassium Chloride	Potassium Chloride	194	58
Albuterol Sulfate Hfa	Albuterol Sulfate	187	70
Eliquis	Apixaban	178	39
Prednisone	Prednisone	178	114
Furosemide	Furosemide	177	64
Allopurinol	Allopurinol	169	39
Spironolactone	Spironolactone	164	49
Fluticasone Propionate	Fluticasone Propionate	159	54
Tamsulosin Hcl	Tamsulosin Hcl	155	43
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	149	26
Duloxetine Hcl	Duloxetine Hcl	141	32
Ipratropium Bromide	Ipratropium Bromide	141	81
Clopidogrel	Clopidogrel Bisulfate	140	40
Zolpidem Tartrate	Zolpidem Tartrate	139	20
Escitalopram Oxalate	Escitalopram Oxalate	137	36
Jardiance	Empagliflozin	130	23
Metformin Hcl Er	Metformin Hcl	123	32
Montelukast Sodium	Montelukast Sodium	123	38
Lorazepam	Lorazepam	122	11
Glipizide Er	Glipizide	121	32
Cephalexin	Cephalexin	119	86
Chlorthalidone	Chlorthalidone	117	36
Buspirone Hcl	Buspirone Hcl	116	35
Ozempic	Semaglutide	115	19
Tizanidine Hcl	Tizanidine Hcl	112	40
Meloxicam	Meloxicam	105	35
Azelastine Hcl	Azelastine Hcl	104	38
Azithromycin	Azithromycin	100	87
Quetiapine Fumarate	Quetiapine Fumarate	99	31
Triamcinolone Acetonide	Triamcinolone Acetonide	94	53
Alendronate Sodium	Alendronate Sodium	89	28
Bupropion Xl	Bupropion Hcl	89	20
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	89	24
Ezetimibe	Ezetimibe	88	22
Citalopram Hbr	Citalopram Hydrobromide	86	22
Glimepiride	Glimepiride	83	25
Warfarin Sodium	Warfarin Sodium	81	16
Telmisartan	Telmisartan	79	21
Venlafaxine Hcl Er	Venlafaxine Hcl	79	18
Atenolol	Atenolol	78	23
Sertraline Hcl	Sertraline Hcl	78	25
Carvedilol	Carvedilol	76	22
Doxycycline Hyclate	Doxycycline Hyclate	75	57
Pioglitazone Hcl	Pioglitazone Hcl	75	18
Aripiprazole	Aripiprazole	72	15
Clonazepam	Clonazepam	72	16
Finasteride	Finasteride	70	18
Xarelto	Rivaroxaban	70	16
Celecoxib	Celecoxib	69	18
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	69	20
Rybelsus	Semaglutide	68	15
Esomeprazole Magnesium	Esomeprazole Magnesium	64	17
Ropinirole Hcl	Ropinirole Hcl	63	15
Famotidine	Famotidine	62	11
Mirtazapine	Mirtazapine	61	17
Synthroid	Levothyroxine Sodium	61	15
Benazepril Hcl	Benazepril Hcl	56	14
Fluoxetine Hcl	Fluoxetine Hcl	55	15
Clonidine Hcl	Clonidine Hcl	54	12
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	54	15
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	50	43
Donepezil Hcl	Donepezil Hcl	50	11
Pregabalin	Pregabalin	49	15
Valsartan	Valsartan	49	11
Isosorbide Mononitrate Er	Isosorbide Mononitrate	48	12
Mounjaro	Tirzepatide	48	13
Nystatin	Nystatin	48	22
Estradiol	Estradiol	47	14
Meclizine Hcl	Meclizine Hcl	47	18
Amoxicillin	Amoxicillin	42	31
Doxazosin Mesylate	Doxazosin Mesylate	42	12
Myrbetriq	Mirabegron	42	11
Paxlovid	Nirmatrelvir/Ritonavir	42	42
Ciprofloxacin Hcl	Ciprofloxacin Hcl	41	29
Hydralazine Hcl	Hydralazine Hcl	41	14
Linzess	Linaclotide	41	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	40	14
Paroxetine Hcl	Paroxetine Hcl	39	suppressed
Ventolin Hfa	Albuterol Sulfate	39	suppressed
Rizatriptan	Rizatriptan Benzoate	38	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	38	11
Fenofibrate	Fenofibrate	37	11
Fluconazole	Fluconazole	37	22
Fenofibrate	Fenofibrate Nanocrystallized	36	suppressed
Glipizide	Glipizide	36	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	36	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	36	23
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	36	suppressed
Doxepin Hcl	Doxepin Hcl	35	suppressed
Ketoconazole	Ketoconazole	35	19
Torsemide	Torsemide	33	11
Lamotrigine	Lamotrigine	32	suppressed
Levofloxacin	Levofloxacin	32	19
Memantine Hcl	Memantine Hcl	31	suppressed
Etodolac	Etodolac	30	11
Ondansetron Odt	Ondansetron	30	12
Valacyclovir	Valacyclovir Hcl	30	18
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	30	suppressed
Klor-Con M10	Potassium Chloride	29	suppressed
Diazepam	Diazepam	28	suppressed
Farxiga	Dapagliflozin Propanediol	28	suppressed
Januvia	Sitagliptin Phosphate	28	suppressed
Enalapril Maleate	Enalapril Maleate	27	suppressed
Temazepam	Temazepam	27	suppressed
Terazosin Hcl	Terazosin Hcl	27	suppressed
Klor-Con M20	Potassium Chloride	26	suppressed
Ondansetron Hcl	Ondansetron Hcl	26	suppressed
Diclofenac Sodium	Diclofenac Sodium	25	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	25	suppressed
Colchicine	Colchicine	24	11
Propranolol Hcl	Propranolol Hcl	24	suppressed
Dexlansoprazole Dr	Dexlansoprazole	21	suppressed
Levetiracetam	Levetiracetam	21	suppressed
Sucralfate	Sucralfate	21	11
Diltiazem Hcl	Diltiazem Hcl	20	suppressed
Entresto	Sacubitril/Valsartan	20	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	20	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	20	suppressed
Raloxifene Hcl	Raloxifene Hcl	20	suppressed
Amiodarone Hcl	Amiodarone Hcl	19	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	18	13
Sumatriptan Succinate	Sumatriptan Succinate	18	suppressed
Topiramate	Topiramate	18	suppressed
Acyclovir	Acyclovir	17	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	17	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	17	suppressed
Liothyronine Sodium	Liothyronine Sodium	17	suppressed
Ramipril	Ramipril	17	suppressed
Spiriva Handihaler	Tiotropium Bromide	17	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	16	suppressed
Dutasteride	Dutasteride	16	suppressed
Folic Acid	Folic Acid	16	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	16	suppressed
Nexium	Esomeprazole Magnesium	16	suppressed
Trulicity	Dulaglutide	16	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	16	suppressed
Baclofen	Baclofen	15	suppressed
Symbicort	Budesonide/Formoterol Fumarate	15	suppressed
Testosterone Cypionate	Testosterone Cypionate	15	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	14	suppressed
Breo Ellipta	Fluticasone/Vilanterol	13	suppressed
Clorazepate Dipotassium	Clorazepate Dipotassium	13	suppressed
Felodipine Er	Felodipine	13	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	13	suppressed
Nebivolol Hcl	Nebivolol Hcl	13	suppressed
Nitroglycerin	Nitroglycerin	13	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	12	suppressed
Brilinta	Ticagrelor	12	suppressed
Byetta	Exenatide	12	suppressed
Emgality Pen	Galcanezumab-Gnlm	12	suppressed
Hydrocortisone	Hydrocortisone	12	suppressed
Lamotrigine Er	Lamotrigine	12	suppressed
Novolog	Insulin Aspart	12	suppressed
Risperidone	Risperidone	12	suppressed
Singulair	Montelukast Sodium	12	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	11	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	11	suppressed
Cefuroxime	Cefuroxime Axetil	11	suppressed
Cholestyramine	Cholestyramine (With Sugar)	11	suppressed
Clotrimazole	Clotrimazole	11	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	11	suppressed
Irbesartan	Irbesartan	11	suppressed
Jantoven	Warfarin Sodium	11	suppressed
Medroxyprogesterone Acetate	Medroxyprogesterone Acetate	11	suppressed
Premarin	Estrogens, Conjugated	11	suppressed
Primidone	Primidone	11	suppressed
Repatha Sureclick	Evolocumab	11	suppressed
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	11	suppressed
Trimethoprim	Trimethoprim	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