Healthcare provider profile · identity verified

Holly Katrina Duplechain, MD

Internal Medicine · LINDALE, TX · NPI 1831208982

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	894	225
Levothyroxine Sodium	Levothyroxine Sodium	754	182
Losartan Potassium	Losartan Potassium	607	154
Gabapentin	Gabapentin	502	122
Atorvastatin Calcium	Atorvastatin Calcium	464	131
Omeprazole	Omeprazole	459	129
Lisinopril	Lisinopril	452	115
Rosuvastatin Calcium	Rosuvastatin Calcium	352	103
Sertraline Hcl	Sertraline Hcl	323	76
Hydrochlorothiazide	Hydrochlorothiazide	292	76
Simvastatin	Simvastatin	289	76
Pantoprazole Sodium	Pantoprazole Sodium	282	82
Metformin Hcl	Metformin Hcl	276	73
Trazodone Hcl	Trazodone Hcl	251	58
Escitalopram Oxalate	Escitalopram Oxalate	225	55
Irbesartan	Irbesartan	209	52
Duloxetine Hcl	Duloxetine Hcl	194	41
Montelukast Sodium	Montelukast Sodium	188	50
Metoprolol Succinate	Metoprolol Succinate	183	52
Zolpidem Tartrate	Zolpidem Tartrate	181	26
Potassium Chloride	Potassium Chloride	179	51
Synthroid	Levothyroxine Sodium	178	46
Carvedilol	Carvedilol	164	43
Alprazolam	Alprazolam	154	34
Metoprolol Tartrate	Metoprolol Tartrate	151	35
Fluticasone Propionate	Fluticasone Propionate	146	64
Ezetimibe	Ezetimibe	142	33
Glimepiride	Glimepiride	132	30
Furosemide	Furosemide	107	39
Buspirone Hcl	Buspirone Hcl	106	23
Fluoxetine Hcl	Fluoxetine Hcl	99	29
Atenolol	Atenolol	97	24
Albuterol Sulfate Hfa	Albuterol Sulfate	90	39
Tizanidine Hcl	Tizanidine Hcl	86	27
Pravastatin Sodium	Pravastatin Sodium	85	25
Allopurinol	Allopurinol	80	21
Olmesartan Medoxomil	Olmesartan Medoxomil	80	21
Metformin Hcl Er	Metformin Hcl	79	21
Tamsulosin Hcl	Tamsulosin Hcl	77	24
Ozempic	Semaglutide	74	15
Bupropion Xl	Bupropion Hcl	73	20
Citalopram Hbr	Citalopram Hydrobromide	67	18
Valacyclovir	Valacyclovir Hcl	67	27
Tramadol Hcl	Tramadol Hcl	65	14
Doxycycline Hyclate	Doxycycline Hyclate	60	50
Paroxetine Hcl	Paroxetine Hcl	57	13
Eliquis	Apixaban	55	15
Meloxicam	Meloxicam	54	15
Famotidine	Famotidine	53	19
Clonazepam	Clonazepam	52	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	51	15
Temazepam	Temazepam	49	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	48	11
Venlafaxine Hcl Er	Venlafaxine Hcl	48	15
Cefuroxime	Cefuroxime Axetil	45	40
Clopidogrel	Clopidogrel Bisulfate	45	15
Clonidine Hcl	Clonidine Hcl	44	suppressed
Xarelto	Rivaroxaban	42	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	41	14
Alendronate Sodium	Alendronate Sodium	36	13
Benazepril Hcl	Benazepril Hcl	36	suppressed
Chlorthalidone	Chlorthalidone	35	suppressed
Spironolactone	Spironolactone	35	suppressed
Celecoxib	Celecoxib	34	suppressed
Valsartan	Valsartan	31	suppressed
Donepezil Hcl	Donepezil Hcl	30	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	30	suppressed
Ramipril	Ramipril	30	suppressed
Hydralazine Hcl	Hydralazine Hcl	29	12
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	29	suppressed
Glipizide	Glipizide	28	suppressed
Methocarbamol	Methocarbamol	28	11
Ropinirole Hcl	Ropinirole Hcl	28	suppressed
Estradiol	Estradiol	27	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	26	suppressed
Finasteride	Finasteride	26	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	25	22
Hydroxyzine Hcl	Hydroxyzine Hcl	25	suppressed
Lovastatin	Lovastatin	25	suppressed
Nifedipine Er	Nifedipine	25	suppressed
Nystatin	Nystatin	25	13
Oxybutynin Chloride Er	Oxybutynin Chloride	24	suppressed
Verapamil Er	Verapamil Hcl	24	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	23	suppressed
Ibandronate Sodium	Ibandronate Sodium	23	suppressed
Prednisone	Prednisone	23	20
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	22	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	22	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	22	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	22	16
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	21	suppressed
Pregabalin	Pregabalin	20	suppressed
Memantine Hcl	Memantine Hcl	19	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	19	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	18	suppressed
Breyna	Budesonide/Formoterol Fumarate	17	suppressed
Enalapril Maleate	Enalapril Maleate	17	suppressed
Ipratropium Bromide	Ipratropium Bromide	17	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	16	suppressed
Mirtazapine	Mirtazapine	16	suppressed
Novolog Flexpen	Insulin Aspart	16	suppressed
Spiriva Handihaler	Tiotropium Bromide	16	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	16	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	15	suppressed
Bumetanide	Bumetanide	15	suppressed
Topiramate	Topiramate	15	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	15	suppressed
Azithromycin	Azithromycin	14	14
Dicyclomine Hcl	Dicyclomine Hcl	14	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	14	suppressed
Fosinopril Sodium	Fosinopril Sodium	14	suppressed
Januvia	Sitagliptin Phosphate	14	suppressed
Jardiance	Empagliflozin	14	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	14	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	13	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	13	suppressed
Cefdinir	Cefdinir	13	13
Euthyrox	Levothyroxine Sodium	13	suppressed
Myrbetriq	Mirabegron	13	suppressed
Propranolol Hcl	Propranolol Hcl	13	suppressed
Telmisartan	Telmisartan	13	suppressed
Trulicity	Dulaglutide	13	suppressed
Azelastine Hcl	Azelastine Hcl	12	suppressed
Mupirocin	Mupirocin	12	11
Raloxifene Hcl	Raloxifene Hcl	12	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	11	suppressed
Candesartan Cilexetil	Candesartan Cilexetil	11	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	11	suppressed
Klor-Con M20	Potassium Chloride	11	suppressed
Mounjaro	Tirzepatide	11	suppressed
Propranolol Hcl Er	Propranolol Hcl	11	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	11	suppressed
Ventolin Hfa	Albuterol Sulfate	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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