Healthcare provider profile · identity verified

David Sui Ng Li, MD

Internal Medicine · GREENVILLE, SC · NPI 1942380621

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
Amlodipine Besylate	Amlodipine Besylate	913	284
Atorvastatin Calcium	Atorvastatin Calcium	770	245
Lisinopril	Lisinopril	338	113
Albuterol Sulfate Hfa	Albuterol Sulfate	312	100
Metoprolol Succinate	Metoprolol Succinate	287	96
Losartan Potassium	Losartan Potassium	267	81
Jardiance	Empagliflozin	266	80
Potassium Chloride	Potassium Chloride	226	67
Metformin Hcl Er	Metformin Hcl	223	72
Levothyroxine Sodium	Levothyroxine Sodium	221	55
Omeprazole	Omeprazole	205	57
Glipizide Er	Glipizide	184	58
Ibuprofen	Ibuprofen	181	44
Meloxicam	Meloxicam	179	52
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	177	52
Gabapentin	Gabapentin	173	54
Hydrochlorothiazide	Hydrochlorothiazide	173	58
Tamsulosin Hcl	Tamsulosin Hcl	166	56
Chlorthalidone	Chlorthalidone	158	61
Pravastatin Sodium	Pravastatin Sodium	155	55
Furosemide	Furosemide	153	49
Trazodone Hcl	Trazodone Hcl	138	44
Pantoprazole Sodium	Pantoprazole Sodium	133	40
Famotidine	Famotidine	129	39
Rosuvastatin Calcium	Rosuvastatin Calcium	128	52
Allopurinol	Allopurinol	125	35
Carvedilol	Carvedilol	125	46
Metoprolol Tartrate	Metoprolol Tartrate	116	34
Ozempic	Semaglutide	111	24
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	99	28
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	94	37
Montelukast Sodium	Montelukast Sodium	90	27
Metformin Hcl	Metformin Hcl	87	35
Fluticasone Propionate	Fluticasone Propionate	86	32
Spironolactone	Spironolactone	83	25
Triamcinolone Acetonide	Triamcinolone Acetonide	79	37
Sertraline Hcl	Sertraline Hcl	76	18
Incruse Ellipta	Umeclidinium Bromide	74	12
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	73	20
Atenolol	Atenolol	72	18
Symbicort	Budesonide/Formoterol Fumarate	70	28
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	68	26
Pioglitazone Hcl	Pioglitazone Hcl	68	23
Lovastatin	Lovastatin	65	17
Eliquis	Apixaban	60	19
Januvia	Sitagliptin Phosphate	58	18
Diclofenac Sodium	Diclofenac Sodium	51	16
Valsartan	Valsartan	49	18
Clonidine Hcl	Clonidine Hcl	48	14
Warfarin Sodium	Warfarin Sodium	48	11
Fluoxetine Hcl	Fluoxetine Hcl	45	13
Alendronate Sodium	Alendronate Sodium	43	17
Humalog Kwikpen U-100	Insulin Lispro	43	15
Trueplus Pen Needle	Pen Needle, Diabetic	43	24
Clopidogrel	Clopidogrel Bisulfate	42	13
Colchicine	Colchicine	41	11
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	41	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	41	13
Hydralazine Hcl	Hydralazine Hcl	40	13
Novolog Flexpen	Insulin Aspart	40	14
Clonidine	Clonidine	38	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	36	suppressed
Donepezil Hcl	Donepezil Hcl	36	suppressed
Naproxen	Naproxen	36	12
Nitroglycerin	Nitroglycerin	36	24
Oxybutynin Chloride Er	Oxybutynin Chloride	35	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	33	suppressed
Levetiracetam	Levetiracetam	33	suppressed
Trulicity	Dulaglutide	33	suppressed
Ultra-Fine Nano Pen Needle	Pen Needle, Diabetic	31	13
Venlafaxine Hcl Er	Venlafaxine Hcl	31	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	30	suppressed
Nifedipine Er	Nifedipine	30	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	30	11
Shingrix	Varicella-Zoster Ge/As01b/Pf	27	24
Linzess	Linaclotide	26	suppressed
Enalapril Maleate	Enalapril Maleate	25	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	25	suppressed
Azithromycin	Azithromycin	24	21
Ezetimibe	Ezetimibe	24	suppressed
Fluconazole	Fluconazole	23	11
Xarelto	Rivaroxaban	23	suppressed
Baclofen	Baclofen	22	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	22	suppressed
Duloxetine Hcl	Duloxetine Hcl	21	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	21	suppressed
Arnuity Ellipta	Fluticasone Furoate	20	suppressed
Cilostazol	Cilostazol	20	suppressed
Levemir Flexpen	Insulin Detemir	20	suppressed
Sildenafil Citrate	Sildenafil Citrate	20	suppressed
Torsemide	Torsemide	20	suppressed
Varenicline Tartrate	Varenicline Tartrate	20	suppressed
Benazepril Hcl	Benazepril Hcl	19	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	19	suppressed
Finasteride	Finasteride	19	suppressed
Glipizide	Glipizide	19	suppressed
Prednisone	Prednisone	19	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	19	suppressed
Breo Ellipta	Fluticasone/Vilanterol	18	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	18	suppressed
Ropinirole Hcl	Ropinirole Hcl	18	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	18	suppressed
Ventolin Hfa	Albuterol Sulfate	18	suppressed
Hydrocortisone	Hydrocortisone	17	suppressed
Citalopram Hbr	Citalopram Hydrobromide	16	suppressed
Ibu	Ibuprofen	16	suppressed
Ketoconazole	Ketoconazole	16	suppressed
Simvastatin	Simvastatin	16	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	16	14
Sumatriptan Succinate	Sumatriptan Succinate	16	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	16	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	15	13
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	15	suppressed
Meclizine Hcl	Meclizine Hcl	15	suppressed
Mirtazapine	Mirtazapine	15	suppressed
Paroxetine Hcl	Paroxetine Hcl	15	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	14	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	14	suppressed
Novolin 70-30	Insulin Nph Hum/Reg Insulin Hm	14	suppressed
Nystatin	Nystatin	14	suppressed
Promethazine Hcl	Promethazine Hcl	14	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	13	13
Cephalexin	Cephalexin	13	11
Clotrimazole	Clotrimazole	13	suppressed
Fenofibrate	Fenofibrate	13	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	12	suppressed
Ammonium Lactate	Ammonium Lactate	12	suppressed
Boostrix Tdap	Diphth,pertuss(Acell),tet Vac	12	12
Breyna	Budesonide/Formoterol Fumarate	12	suppressed
Chlorzoxazone	Chlorzoxazone	12	suppressed
Pradaxa	Dabigatran Etexilate Mesylate	12	suppressed
Roflumilast	Roflumilast	12	suppressed
Topiramate	Topiramate	12	suppressed
Spiriva Respimat	Tiotropium Bromide	11	suppressed
Valacyclovir	Valacyclovir Hcl	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