Healthcare provider profile · identity verified

Son N Dang, MD

Family Practice · MASSILLON, OH · NPI 1699764944

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	589	147
Amlodipine Besylate	Amlodipine Besylate	505	123
Losartan Potassium	Losartan Potassium	478	112
Omeprazole	Omeprazole	463	112
Levothyroxine Sodium	Levothyroxine Sodium	373	79
Lisinopril	Lisinopril	351	86
Rosuvastatin Calcium	Rosuvastatin Calcium	320	80
Meloxicam	Meloxicam	302	81
Metformin Hcl	Metformin Hcl	282	67
Metoprolol Succinate	Metoprolol Succinate	273	68
Pravastatin Sodium	Pravastatin Sodium	228	58
Pantoprazole Sodium	Pantoprazole Sodium	214	63
Trazodone Hcl	Trazodone Hcl	178	39
Albuterol Sulfate Hfa	Albuterol Sulfate	173	53
Sertraline Hcl	Sertraline Hcl	168	36
Glimepiride	Glimepiride	164	38
Simvastatin	Simvastatin	157	35
Alendronate Sodium	Alendronate Sodium	144	32
Hydrochlorothiazide	Hydrochlorothiazide	141	37
Furosemide	Furosemide	136	32
Allopurinol	Allopurinol	132	32
Ezetimibe	Ezetimibe	132	30
Metoprolol Tartrate	Metoprolol Tartrate	130	37
Alprazolam	Alprazolam	121	21
Tamsulosin Hcl	Tamsulosin Hcl	121	30
Citalopram Hbr	Citalopram Hydrobromide	119	24
Methylprednisolone	Methylprednisolone	115	100
Escitalopram Oxalate	Escitalopram Oxalate	101	24
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	101	30
Fluticasone Propionate	Fluticasone Propionate	94	40
Gabapentin	Gabapentin	86	28
Metformin Hcl Er	Metformin Hcl	83	25
Eliquis	Apixaban	82	18
Amoxicillin	Amoxicillin	76	70
Tramadol Hcl	Tramadol Hcl	74	23
Carvedilol	Carvedilol	73	17
Atenolol	Atenolol	69	15
Oxybutynin Chloride Er	Oxybutynin Chloride	68	13
Montelukast Sodium	Montelukast Sodium	66	17
Venlafaxine Hcl Er	Venlafaxine Hcl	63	11
Donepezil Hcl	Donepezil Hcl	59	17
Bupropion Xl	Bupropion Hcl	58	13
Famotidine	Famotidine	52	13
Paroxetine Hcl	Paroxetine Hcl	51	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	51	11
Buspirone Hcl	Buspirone Hcl	50	11
Spironolactone	Spironolactone	50	14
Clopidogrel	Clopidogrel Bisulfate	49	15
Ozempic	Semaglutide	47	suppressed
Fenofibrate	Fenofibrate	46	suppressed
Lovastatin	Lovastatin	45	12
Glipizide Er	Glipizide	44	suppressed
Warfarin Sodium	Warfarin Sodium	44	suppressed
Betamethasone Diprop Augmented	Betamethasone/Propylene Glyc	43	21
Celecoxib	Celecoxib	40	11
Duloxetine Hcl	Duloxetine Hcl	40	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	40	suppressed
Azithromycin	Azithromycin	39	36
Valsartan	Valsartan	39	suppressed
Xarelto	Rivaroxaban	39	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	38	33
Eszopiclone	Eszopiclone	38	suppressed
Memantine Hcl	Memantine Hcl	38	suppressed
Ibuprofen	Ibuprofen	37	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	36	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	35	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	35	suppressed
Potassium Chloride	Potassium Chloride	35	13
Cephalexin	Cephalexin	34	30
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	34	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	33	suppressed
Gemfibrozil	Gemfibrozil	31	suppressed
Naproxen	Naproxen	29	12
Olmesartan Medoxomil	Olmesartan Medoxomil	29	suppressed
Ropinirole Hcl	Ropinirole Hcl	29	suppressed
Januvia	Sitagliptin Phosphate	28	suppressed
Meclizine Hcl	Meclizine Hcl	28	14
Valacyclovir	Valacyclovir Hcl	28	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	26	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	25	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	24	suppressed
Hydralazine Hcl	Hydralazine Hcl	24	suppressed
Lorazepam	Lorazepam	24	suppressed
Nystatin	Nystatin	24	13
Terbinafine Hcl	Terbinafine Hcl	24	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	23	suppressed
Synthroid	Levothyroxine Sodium	22	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	22	suppressed
Clonazepam	Clonazepam	21	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	21	suppressed
Ventolin Hfa	Albuterol Sulfate	21	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	20	suppressed
Felodipine Er	Felodipine	20	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	20	suppressed
Ondansetron Hcl	Ondansetron Hcl	20	suppressed
Glipizide	Glipizide	19	suppressed
Pregabalin	Pregabalin	19	suppressed
Sildenafil Citrate	Sildenafil Citrate	19	suppressed
Ibandronate Sodium	Ibandronate Sodium	18	suppressed
Ketoconazole	Ketoconazole	18	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	18	16
Triamcinolone Acetonide	Triamcinolone Acetonide	18	suppressed
Clindamycin Hcl	Clindamycin Hcl	17	16
Tradjenta	Linagliptin	17	suppressed
Chlorthalidone	Chlorthalidone	16	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	16	16
Humalog Mix 75-25	Insulin Lispro Protamin/Lispro	16	suppressed
Theophylline Er	Theophylline Anhydrous	16	suppressed
Tizanidine Hcl	Tizanidine Hcl	16	12
Colestipol Hcl	Colestipol Hcl	15	suppressed
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	15	suppressed
Lansoprazole	Lansoprazole	15	suppressed
Ramipril	Ramipril	15	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	14	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	14	suppressed
Diclofenac Sodium	Diclofenac Sodium	14	suppressed
Finasteride	Finasteride	13	suppressed
Ibu	Ibuprofen	13	suppressed
Myrbetriq	Mirabegron	13	suppressed
Benazepril Hcl	Benazepril Hcl	12	suppressed
Breo Ellipta	Fluticasone/Vilanterol	12	suppressed
Breyna	Budesonide/Formoterol Fumarate	12	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	12	suppressed
Divalproex Sodium	Divalproex Sodium	12	suppressed
Euthyrox	Levothyroxine Sodium	12	suppressed
Symbicort	Budesonide/Formoterol Fumarate	12	suppressed
Acyclovir	Acyclovir	11	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	11	suppressed
Bumetanide	Bumetanide	11	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	11	suppressed
Doxepin Hcl	Doxepin Hcl	11	suppressed
Enalapril Maleate	Enalapril Maleate	11	suppressed
Fluconazole	Fluconazole	11	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	11	suppressed
Methylphenidate Hcl	Methylphenidate Hcl	11	suppressed
Metolazone	Metolazone	11	suppressed
Sucralfate	Sucralfate	11	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	11	suppressed
Vascepa	Icosapent Ethyl	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

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