Healthcare provider profile · identity verified

David C. Tignor, MD

Family Practice · CONCORD, NC · NPI 1083602866

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	551	141
Omeprazole	Omeprazole	509	127
Lisinopril	Lisinopril	421	103
Levothyroxine Sodium	Levothyroxine Sodium	393	85
Alprazolam	Alprazolam	385	64
Celecoxib	Celecoxib	381	96
Rosuvastatin Calcium	Rosuvastatin Calcium	361	93
Amlodipine Besylate	Amlodipine Besylate	335	83
Gabapentin	Gabapentin	303	67
Furosemide	Furosemide	273	74
Prednisone	Prednisone	268	169
Losartan Potassium	Losartan Potassium	254	63
Escitalopram Oxalate	Escitalopram Oxalate	247	73
Pantoprazole Sodium	Pantoprazole Sodium	240	64
Metformin Hcl Er	Metformin Hcl	222	57
Tramadol Hcl	Tramadol Hcl	219	58
Tamsulosin Hcl	Tamsulosin Hcl	214	57
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	210	54
Fluticasone Propionate	Fluticasone Propionate	200	72
Duloxetine Hcl	Duloxetine Hcl	199	52
Tizanidine Hcl	Tizanidine Hcl	183	82
Simvastatin	Simvastatin	181	44
Metoprolol Succinate	Metoprolol Succinate	178	50
Lorazepam	Lorazepam	173	27
Eliquis	Apixaban	172	38
Trazodone Hcl	Trazodone Hcl	171	44
Hydrochlorothiazide	Hydrochlorothiazide	155	50
Metoprolol Tartrate	Metoprolol Tartrate	154	42
Zolpidem Tartrate	Zolpidem Tartrate	154	41
Clonazepam	Clonazepam	147	30
Meloxicam	Meloxicam	144	44
Sertraline Hcl	Sertraline Hcl	144	37
Glipizide Er	Glipizide	141	41
Ozempic	Semaglutide	126	21
Carvedilol	Carvedilol	115	27
Clopidogrel	Clopidogrel Bisulfate	110	25
Montelukast Sodium	Montelukast Sodium	106	29
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	105	28
Albuterol Sulfate Hfa	Albuterol Sulfate	102	32
Azithromycin	Azithromycin	96	79
Metformin Hcl	Metformin Hcl	91	24
Citalopram Hbr	Citalopram Hydrobromide	87	17
Jardiance	Empagliflozin	87	18
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	87	suppressed
Promethazine Hcl	Promethazine Hcl	81	17
Xarelto	Rivaroxaban	81	16
Ondansetron Hcl	Ondansetron Hcl	79	30
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	77	54
Allopurinol	Allopurinol	76	20
Bupropion Xl	Bupropion Hcl	76	19
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	70	21
Mounjaro	Tirzepatide	69	12
Pravastatin Sodium	Pravastatin Sodium	69	14
Meclizine Hcl	Meclizine Hcl	67	24
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	63	14
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	61	11
Synthroid	Levothyroxine Sodium	61	11
Potassium Chloride	Potassium Chloride	59	11
Diclofenac Sodium	Diclofenac Sodium	58	16
Pregabalin	Pregabalin	58	18
Pioglitazone Hcl	Pioglitazone Hcl	56	14
Linzess	Linaclotide	53	12
Solifenacin Succinate	Solifenacin Succinate	52	18
Estradiol	Estradiol	51	14
Sumatriptan Succinate	Sumatriptan Succinate	51	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	51	31
Carisoprodol	Carisoprodol	48	suppressed
Oxycodone Hcl	Oxycodone Hcl	48	11
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	47	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	47	13
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	47	31
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	47	suppressed
Alendronate Sodium	Alendronate Sodium	46	17
Amitriptyline Hcl	Amitriptyline Hcl	46	suppressed
Buspirone Hcl	Buspirone Hcl	45	16
Levofloxacin	Levofloxacin	44	30
Warfarin Sodium	Warfarin Sodium	44	12
Atenolol	Atenolol	43	suppressed
Clonidine Hcl	Clonidine Hcl	43	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	41	11
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	41	11
Ropinirole Hcl	Ropinirole Hcl	41	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	40	15
Aripiprazole	Aripiprazole	38	suppressed
Colchicine	Colchicine	37	12
Spironolactone	Spironolactone	37	15
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	36	30
Dexlansoprazole Dr	Dexlansoprazole	34	suppressed
Terazosin Hcl	Terazosin Hcl	34	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	33	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	32	suppressed
Nystatin	Nystatin	32	21
Hydralazine Hcl	Hydralazine Hcl	31	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	30	suppressed
Ondansetron Odt	Ondansetron	30	14
Paroxetine Hcl	Paroxetine Hcl	30	suppressed
Propranolol Hcl	Propranolol Hcl	30	suppressed
Symbicort	Budesonide/Formoterol Fumarate	30	11
Torsemide	Torsemide	30	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	30	suppressed
Diazepam	Diazepam	29	suppressed
Nitroglycerin	Nitroglycerin	29	14
Propranolol Hcl Er	Propranolol Hcl	29	suppressed
Cephalexin	Cephalexin	28	15
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	28	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	28	suppressed
Valacyclovir	Valacyclovir Hcl	28	14
Azelastine Hcl	Azelastine Hcl	27	12
Fluconazole	Fluconazole	27	18
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	25	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	25	suppressed
Trulicity	Dulaglutide	25	suppressed
Baclofen	Baclofen	24	suppressed
Cefdinir	Cefdinir	24	21
Valsartan	Valsartan	24	suppressed
Vraylar	Cariprazine Hcl	24	suppressed
Glipizide	Glipizide	23	suppressed
Temazepam	Temazepam	23	suppressed
Gemfibrozil	Gemfibrozil	22	suppressed
Memantine Hcl	Memantine Hcl	22	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	21	17
Dextroamphetamine-Amphet Er	Dextroamphetamine/Amphetamine	21	suppressed
Ketoconazole	Ketoconazole	21	14
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	20	13
Fenofibrate	Fenofibrate Nanocrystallized	20	suppressed
Ezetimibe	Ezetimibe	19	suppressed
Mirtazapine	Mirtazapine	19	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	19	suppressed
Fenofibrate	Fenofibrate	18	suppressed
Lovastatin	Lovastatin	18	suppressed
Sucralfate	Sucralfate	18	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	18	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	17	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	17	suppressed
Hydrocortisone	Hydrocortisone	17	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	17	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	17	17
Ventolin Hfa	Albuterol Sulfate	17	suppressed
Divalproex Sodium	Divalproex Sodium	16	suppressed
Famotidine	Famotidine	16	suppressed
Rabeprazole Sodium	Rabeprazole Sodium	16	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	15	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	15	suppressed
Levetiracetam	Levetiracetam	15	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	14	suppressed
Breo Ellipta	Fluticasone/Vilanterol	14	suppressed
Flecainide Acetate	Flecainide Acetate	14	suppressed
Testosterone Cypionate	Testosterone Cypionate	14	suppressed
Timolol Maleate	Timolol Maleate	14	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	14	suppressed
Colesevelam Hcl	Colesevelam Hcl	13	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	13	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	13	suppressed
Latanoprost	Latanoprost	13	suppressed
Mometasone Furoate	Mometasone Furoate	13	suppressed
Tegretol	Carbamazepine	13	suppressed
Terbinafine Hcl	Terbinafine Hcl	13	suppressed
Carbidopa-Levodopa Er	Carbidopa/Levodopa	12	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	12	suppressed
Eszopiclone	Eszopiclone	12	suppressed
Finasteride	Finasteride	12	suppressed
Topiramate	Topiramate	12	suppressed
Doxepin Hcl	Doxepin Hcl	11	suppressed
Januvia	Sitagliptin Phosphate	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Nurtec Odt	Rimegepant Sulfate	11	suppressed
Primidone	Primidone	11	suppressed
Scopolamine	Scopolamine	11	suppressed
Zolpidem Tartrate Er	Zolpidem Tartrate	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