Healthcare provider profile · identity verified

Visal Nga, D.O

Internal Medicine · LONG BEACH, CA · NPI 1891029781

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	649	179
Amlodipine Besylate	Amlodipine Besylate	408	126
Furosemide	Furosemide	325	100
Losartan Potassium	Losartan Potassium	287	90
Eliquis	Apixaban	272	59
Gabapentin	Gabapentin	253	71
Pantoprazole Sodium	Pantoprazole Sodium	249	85
Metformin Hcl	Metformin Hcl	231	59
Omeprazole	Omeprazole	201	59
Albuterol Sulfate Hfa	Albuterol Sulfate	193	56
Lisinopril	Lisinopril	192	53
Levothyroxine Sodium	Levothyroxine Sodium	185	37
Tamsulosin Hcl	Tamsulosin Hcl	185	53
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	170	68
Meclizine Hcl	Meclizine Hcl	137	42
Carvedilol	Carvedilol	135	49
Clopidogrel	Clopidogrel Bisulfate	135	34
Alcohol Prep Pads	Alcohol Antiseptic Pads	133	31
Januvia	Sitagliptin Phosphate	130	21
Trazodone Hcl	Trazodone Hcl	120	34
Famotidine	Famotidine	116	36
Metoprolol Tartrate	Metoprolol Tartrate	113	47
Triamcinolone Acetonide	Triamcinolone Acetonide	105	35
Ibuprofen	Ibuprofen	99	32
Finasteride	Finasteride	94	28
Levetiracetam	Levetiracetam	94	26
Duloxetine Hcl	Duloxetine Hcl	92	17
Metoprolol Succinate	Metoprolol Succinate	88	33
Azelastine Hcl	Azelastine Hcl	87	16
Tramadol Hcl	Tramadol Hcl	87	26
Ozempic	Semaglutide	76	11
Hydralazine Hcl	Hydralazine Hcl	75	26
Hydrochlorothiazide	Hydrochlorothiazide	69	22
Fluticasone Propionate	Fluticasone Propionate	66	24
Allopurinol	Allopurinol	58	14
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	57	15
Entresto	Sacubitril/Valsartan	57	13
Acetaminophen-Codeine	Acetaminophen With Codeine	56	16
Potassium Chloride	Potassium Chloride	56	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	55	21
Jardiance	Empagliflozin	54	15
Azithromycin	Azithromycin	53	29
Baclofen	Baclofen	52	18
Amiodarone Hcl	Amiodarone Hcl	51	17
Alendronate Sodium	Alendronate Sodium	50	16
Lactulose	Lactulose	50	17
Donepezil Hcl	Donepezil Hcl	48	15
Farxiga	Dapagliflozin Propanediol	48	12
Lorazepam	Lorazepam	48	16
Spironolactone	Spironolactone	48	15
Ondansetron Hcl	Ondansetron Hcl	47	23
Tizanidine Hcl	Tizanidine Hcl	46	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	45	11
Cephalexin	Cephalexin	43	36
Pravastatin Sodium	Pravastatin Sodium	42	11
Sucralfate	Sucralfate	42	13
Amoxicillin	Amoxicillin	41	26
Clotrimazole	Clotrimazole	41	13
Montelukast Sodium	Montelukast Sodium	41	15
Prednisone	Prednisone	41	19
Diclofenac Sodium	Diclofenac Sodium	40	21
Meloxicam	Meloxicam	39	13
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	38	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	38	25
Methylprednisolone	Methylprednisolone	37	24
Mirtazapine	Mirtazapine	37	12
Sertraline Hcl	Sertraline Hcl	37	12
Naproxen	Naproxen	35	13
Glipizide	Glipizide	34	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	34	20
Simvastatin	Simvastatin	34	11
Digoxin	Digoxin	33	14
Memantine Hcl	Memantine Hcl	33	suppressed
Breo Ellipta	Fluticasone/Vilanterol	32	suppressed
Fenofibrate	Fenofibrate	32	suppressed
Pregabalin	Pregabalin	31	suppressed
Xarelto	Rivaroxaban	31	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	30	26
Alprazolam	Alprazolam	29	12
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	29	17
Megestrol Acetate	Megestrol Acetate	29	11
Sevelamer Carbonate	Sevelamer Carbonate	29	suppressed
Valacyclovir	Valacyclovir Hcl	29	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	29	12
Escitalopram Oxalate	Escitalopram Oxalate	28	suppressed
Cyclosporine	Cyclosporine	25	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	25	12
Risperidone	Risperidone	25	suppressed
Benazepril Hcl	Benazepril Hcl	24	suppressed
Humalog Kwikpen U-100	Insulin Lispro	24	12
Indomethacin	Indomethacin	24	suppressed
Latanoprost	Latanoprost	24	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	23	suppressed
Hydrocortisone	Hydrocortisone	23	suppressed
Atenolol	Atenolol	22	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	22	suppressed
Clonidine Hcl	Clonidine Hcl	22	suppressed
Oxycodone Hcl	Oxycodone Hcl	22	suppressed
Ezetimibe	Ezetimibe	21	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	21	13
Levofloxacin	Levofloxacin	21	19
Nitroglycerin	Nitroglycerin	21	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	20	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	19	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	19	suppressed
Midodrine Hcl	Midodrine Hcl	19	11
Nifedipine Er	Nifedipine	19	11
Aripiprazole	Aripiprazole	18	suppressed
Single Use Swab	Alcohol Antiseptic Pads	18	suppressed
Ulticare Pen Needle	Pen Needle, Diabetic	17	suppressed
Ventolin Hfa	Albuterol Sulfate	17	suppressed
Enalapril Maleate	Enalapril Maleate	16	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	16	suppressed
Linzess	Linaclotide	16	suppressed
Morphine Sulfate Er	Morphine Sulfate	16	suppressed
Olanzapine	Olanzapine	16	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	16	suppressed
Ultra-Fine Nano Pen Needle	Pen Needle, Diabetic	16	suppressed
Celecoxib	Celecoxib	15	suppressed
Colchicine	Colchicine	15	suppressed
Metformin Er Gastric	Metformin Hcl	15	suppressed
Methimazole	Methimazole	15	suppressed
Clonazepam	Clonazepam	14	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	14	suppressed
Diazepam	Diazepam	14	suppressed
Divalproex Sodium	Divalproex Sodium	14	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	14	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	14	suppressed
Ketoconazole	Ketoconazole	14	suppressed
Sevelamer Hcl	Sevelamer Hcl	14	suppressed
Bupropion Xl	Bupropion Hcl	13	suppressed
Dorzolamide Hcl	Dorzolamide Hcl	13	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	13	suppressed
Tradjenta	Linagliptin	13	suppressed
Admelog Solostar	Insulin Lispro	12	suppressed
Arexvy	Rsvpref3 Antigen/As01e/Pf	12	12
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	12	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	12	suppressed
Humalog	Insulin Lispro	12	suppressed
Lidocaine	Lidocaine	12	suppressed
Loperamide	Loperamide Hcl	12	suppressed
Mirabegron Er	Mirabegron	12	suppressed
Novolin R Flexpen	Insulin Regular, Human	12	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	12	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	12	11
Wixela Inhub	Fluticasone Propion/Salmeterol	12	suppressed
Xifaxan	Rifaximin	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	11
Glimepiride	Glimepiride	11	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	11	suppressed
Novolog Flexpen	Insulin Aspart	11	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	11	suppressed
Ultra-Fine Micro Pen Needle	Pen Needle, Diabetic	11	suppressed
Venlafaxine Hcl Er	Venlafaxine 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