Healthcare provider profile · identity verified

Do Yoon Hwang, M.D.

Internal Medicine · PORT ORANGE, FL · NPI 1750556817

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	728	206
Amlodipine Besylate	Amlodipine Besylate	702	213
Rosuvastatin Calcium	Rosuvastatin Calcium	653	191
Levothyroxine Sodium	Levothyroxine Sodium	586	158
Lisinopril	Lisinopril	366	109
Losartan Potassium	Losartan Potassium	353	113
Omeprazole	Omeprazole	289	95
Eliquis	Apixaban	276	70
Gabapentin	Gabapentin	243	77
Metoprolol Succinate	Metoprolol Succinate	243	74
Metoprolol Tartrate	Metoprolol Tartrate	224	62
Potassium Chloride	Potassium Chloride	219	64
Metformin Hcl	Metformin Hcl	216	71
Pantoprazole Sodium	Pantoprazole Sodium	203	68
Furosemide	Furosemide	192	59
Trazodone Hcl	Trazodone Hcl	182	53
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	176	58
Albuterol Sulfate Hfa	Albuterol Sulfate	173	77
Hydrochlorothiazide	Hydrochlorothiazide	157	54
Ezetimibe	Ezetimibe	147	52
Alendronate Sodium	Alendronate Sodium	145	52
Simvastatin	Simvastatin	130	36
Famotidine	Famotidine	129	45
Fluticasone Propionate	Fluticasone Propionate	119	48
Allopurinol	Allopurinol	115	38
Doxycycline Hyclate	Doxycycline Hyclate	111	82
Sertraline Hcl	Sertraline Hcl	110	33
Alprazolam	Alprazolam	109	25
Prednisone	Prednisone	100	54
Tamsulosin Hcl	Tamsulosin Hcl	100	35
Methylprednisolone	Methylprednisolone	97	78
Clopidogrel	Clopidogrel Bisulfate	91	28
Warfarin Sodium	Warfarin Sodium	89	15
Escitalopram Oxalate	Escitalopram Oxalate	85	24
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	83	67
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	79	62
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	79	19
Glipizide	Glipizide	77	24
Pravastatin Sodium	Pravastatin Sodium	76	28
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	75	23
Tramadol Hcl	Tramadol Hcl	75	30
Atenolol	Atenolol	73	23
Hydralazine Hcl	Hydralazine Hcl	67	23
Fenofibrate	Fenofibrate	66	19
Carvedilol	Carvedilol	65	23
Enalapril Maleate	Enalapril Maleate	65	20
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	64	19
Ozempic	Semaglutide	62	22
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	62	16
Valsartan	Valsartan	62	17
Lorazepam	Lorazepam	59	14
Finasteride	Finasteride	57	20
Ropinirole Hcl	Ropinirole Hcl	55	14
Duloxetine Hcl	Duloxetine Hcl	54	22
Sildenafil Citrate	Sildenafil Citrate	54	17
Fluoxetine Hcl	Fluoxetine Hcl	52	18
Lovastatin	Lovastatin	51	18
Ipratropium Bromide	Ipratropium Bromide	50	25
Paroxetine Hcl	Paroxetine Hcl	47	13
Isosorbide Mononitrate Er	Isosorbide Mononitrate	43	15
Citalopram Hbr	Citalopram Hydrobromide	42	13
Zolpidem Tartrate	Zolpidem Tartrate	41	suppressed
Donepezil Hcl	Donepezil Hcl	39	suppressed
Bupropion Hcl Sr	Bupropion Hcl	38	13
Cefdinir	Cefdinir	38	27
Chlorthalidone	Chlorthalidone	38	12
Myrbetriq	Mirabegron	38	11
Tizanidine Hcl	Tizanidine Hcl	37	15
Montelukast Sodium	Montelukast Sodium	36	13
Oxybutynin Chloride	Oxybutynin Chloride	35	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	34	suppressed
Liothyronine Sodium	Liothyronine Sodium	34	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	34	29
Azithromycin	Azithromycin	32	32
Dropsafe Prep Pads	Alcohol Antiseptic Pads	32	13
Temazepam	Temazepam	32	suppressed
Diltiazem 24hr Er (Xr)	Diltiazem Hcl	31	11
Pregabalin	Pregabalin	31	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	31	29
Dilt-Xr	Diltiazem Hcl	30	13
Hydroxyzine Hcl	Hydroxyzine Hcl	30	suppressed
Spironolactone	Spironolactone	29	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	29	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	29	suppressed
Synthroid	Levothyroxine Sodium	28	suppressed
Jardiance	Empagliflozin	27	13
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	26	suppressed
Clonidine Hcl	Clonidine Hcl	25	12
Doxazosin Mesylate	Doxazosin Mesylate	25	suppressed
Ondansetron Hcl	Ondansetron Hcl	25	24
Propranolol Hcl	Propranolol Hcl	25	suppressed
Baclofen	Baclofen	24	11
Benazepril Hcl	Benazepril Hcl	24	suppressed
Memantine Hcl	Memantine Hcl	24	suppressed
Diclofenac Sodium	Diclofenac Sodium	23	19
Labetalol Hcl	Labetalol Hcl	21	suppressed
Meloxicam	Meloxicam	21	suppressed
Nystatin	Nystatin	21	14
Prolia	Denosumab	21	16
Eszopiclone	Eszopiclone	20	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	20	suppressed
Lidocaine	Lidocaine	20	12
Methocarbamol	Methocarbamol	20	12
Olmesartan Medoxomil	Olmesartan Medoxomil	20	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	19	suppressed
Clonazepam	Clonazepam	19	suppressed
Glimepiride	Glimepiride	19	suppressed
Novolog	Insulin Aspart	19	suppressed
Bupropion Xl	Bupropion Hcl	18	suppressed
Mupirocin	Mupirocin	18	13
Sucralfate	Sucralfate	18	suppressed
Celecoxib	Celecoxib	17	11
Xarelto	Rivaroxaban	17	suppressed
Amiodarone Hcl	Amiodarone Hcl	16	suppressed
Buspirone Hcl	Buspirone Hcl	16	suppressed
Meclizine Hcl	Meclizine Hcl	16	suppressed
Nifedipine Er	Nifedipine	16	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	16	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	15	suppressed
Anastrozole	Anastrozole	15	suppressed
Arnuity Ellipta	Fluticasone Furoate	15	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	15	suppressed
Mirtazapine	Mirtazapine	15	suppressed
Ventolin Hfa	Albuterol Sulfate	15	suppressed
Acyclovir	Acyclovir	14	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	14	suppressed
Fluconazole	Fluconazole	13	suppressed
Leflunomide	Leflunomide	13	suppressed
Tradjenta	Linagliptin	13	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	13	suppressed
Cefuroxime	Cefuroxime Axetil	12	suppressed
Rizatriptan	Rizatriptan Benzoate	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	11	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	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