Healthcare provider profile · identity verified

Tony Duc Do, DO

Family Practice · LA PALMA, CA · NPI 1942387956

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	461	155
Amlodipine Besylate	Amlodipine Besylate	260	93
Rosuvastatin Calcium	Rosuvastatin Calcium	253	87
Losartan Potassium	Losartan Potassium	241	75
Lisinopril	Lisinopril	235	80
Metformin Hcl Er	Metformin Hcl	203	67
Tamsulosin Hcl	Tamsulosin Hcl	156	54
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	124	47
Levothyroxine Sodium	Levothyroxine Sodium	103	29
Allopurinol	Allopurinol	92	27
Simvastatin	Simvastatin	83	31
Metformin Hcl	Metformin Hcl	77	28
Atenolol	Atenolol	76	28
Pioglitazone Hcl	Pioglitazone Hcl	74	24
Glipizide	Glipizide	71	22
Bisoprolol Fumarate	Bisoprolol Fumarate	69	25
Alendronate Sodium	Alendronate Sodium	65	29
Gabapentin	Gabapentin	63	28
Omeprazole	Omeprazole	63	36
Finasteride	Finasteride	60	22
Hydrochlorothiazide	Hydrochlorothiazide	59	24
Meloxicam	Meloxicam	57	50
Famotidine	Famotidine	52	27
Metoprolol Tartrate	Metoprolol Tartrate	51	17
Pradaxa	Dabigatran Etexilate Mesylate	49	16
Potassium Chloride	Potassium Chloride	47	18
Sertraline Hcl	Sertraline Hcl	47	21
Prednisone	Prednisone	46	44
Terazosin Hcl	Terazosin Hcl	45	suppressed
Jardiance	Empagliflozin	44	20
Glipizide Er	Glipizide	40	16
Doxycycline Monohydrate	Doxycycline Monohydrate	37	31
Hydralazine Hcl	Hydralazine Hcl	37	12
Pantoprazole Sodium	Pantoprazole Sodium	37	11
Triamcinolone Acetonide	Triamcinolone Acetonide	37	24
Colchicine	Colchicine	36	16
Tramadol Hcl	Tramadol Hcl	36	18
Cephalexin	Cephalexin	34	33
Azelastine Hcl	Azelastine Hcl	32	suppressed
Donepezil Hcl	Donepezil Hcl	30	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	29	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	26	17
Clopidogrel	Clopidogrel Bisulfate	26	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	25	24
Adacel Tdap	Diph,pertuss(Acell),tet Vac/Pf	23	23
Mirtazapine	Mirtazapine	23	suppressed
Montelukast Sodium	Montelukast Sodium	22	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	22	suppressed
Gavilyte-C	Peg3350/Sod Sulf,bicarb,cl/Kcl	21	21
Humulin R	Insulin Regular, Human	21	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	21	suppressed
Abrysvo	Rsv Vacc, Pref A And Pref B/Pf	20	20
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	20	suppressed
Trazodone Hcl	Trazodone Hcl	20	11
Citalopram Hbr	Citalopram Hydrobromide	19	suppressed
Humulin N	Insulin Nph Human Isophane	19	suppressed
Ozempic	Semaglutide	19	suppressed
Carvedilol	Carvedilol	18	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	18	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	18	11
Lovastatin	Lovastatin	17	suppressed
Veo Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	17	suppressed
Betamethasone Diprop Augmented	Betamethasone/Propylene Glyc	16	suppressed
Ciclopirox	Ciclopirox	16	suppressed
Pravastatin Sodium	Pravastatin Sodium	16	suppressed
Warfarin Sodium	Warfarin Sodium	16	suppressed
Furosemide	Furosemide	15	suppressed
Amoxicillin	Amoxicillin	14	14
Clobetasol Propionate	Clobetasol Propionate	14	suppressed
Bupropion Hcl Sr	Bupropion Hcl	13	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	13	suppressed
Metoprolol Succinate	Metoprolol Succinate	13	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	12	suppressed
Buspirone Hcl	Buspirone Hcl	12	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	12	suppressed
Digoxin	Digoxin	12	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	12	suppressed
Humulin 70/30 Kwikpen	Insulin Nph Hum/Reg Insulin Hm	12	suppressed
Ipratropium Bromide	Ipratropium Bromide	12	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	12	suppressed
Duloxetine Hcl	Duloxetine Hcl	11	suppressed
Eliquis	Apixaban	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