Healthcare provider profile · identity verified

John A Demopulos, M.D.

Internal Medicine · DALLAS, TX · NPI 1043233604

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	672	196
Levothyroxine Sodium	Levothyroxine Sodium	657	179
Amlodipine Besylate	Amlodipine Besylate	522	154
Rosuvastatin Calcium	Rosuvastatin Calcium	502	142
Losartan Potassium	Losartan Potassium	411	117
Gabapentin	Gabapentin	389	112
Lisinopril	Lisinopril	361	100
Alprazolam	Alprazolam	334	78
Tamsulosin Hcl	Tamsulosin Hcl	296	89
Trazodone Hcl	Trazodone Hcl	285	76
Metoprolol Succinate	Metoprolol Succinate	274	82
Sertraline Hcl	Sertraline Hcl	256	56
Pantoprazole Sodium	Pantoprazole Sodium	248	79
Escitalopram Oxalate	Escitalopram Oxalate	231	50
Montelukast Sodium	Montelukast Sodium	228	68
Metformin Hcl	Metformin Hcl	219	63
Potassium Chloride	Potassium Chloride	199	57
Omeprazole	Omeprazole	189	55
Simvastatin	Simvastatin	185	52
Ozempic	Semaglutide	182	32
Zolpidem Tartrate	Zolpidem Tartrate	181	41
Furosemide	Furosemide	168	54
Glimepiride	Glimepiride	163	43
Hydrochlorothiazide	Hydrochlorothiazide	159	52
Tramadol Hcl	Tramadol Hcl	156	44
Ezetimibe	Ezetimibe	153	50
Mounjaro	Tirzepatide	152	20
Pravastatin Sodium	Pravastatin Sodium	133	40
Albuterol Sulfate Hfa	Albuterol Sulfate	132	57
Eliquis	Apixaban	121	33
Finasteride	Finasteride	121	35
Prednisone	Prednisone	111	71
Olmesartan Medoxomil	Olmesartan Medoxomil	108	29
Allopurinol	Allopurinol	107	32
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	105	35
Metoprolol Tartrate	Metoprolol Tartrate	101	30
Clonazepam	Clonazepam	100	24
Carvedilol	Carvedilol	98	32
Meloxicam	Meloxicam	96	35
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	91	25
Duloxetine Hcl	Duloxetine Hcl	89	23
Nifedipine Er	Nifedipine	89	23
Famotidine	Famotidine	87	32
Bupropion Hcl Sr	Bupropion Hcl	86	24
Synthroid	Levothyroxine Sodium	85	26
Clopidogrel	Clopidogrel Bisulfate	84	26
Buspirone Hcl	Buspirone Hcl	82	20
Donepezil Hcl	Donepezil Hcl	82	21
Temazepam	Temazepam	80	16
Methylprednisolone	Methylprednisolone	76	71
Farxiga	Dapagliflozin Propanediol	74	18
Triamcinolone Acetonide	Triamcinolone Acetonide	74	32
Meclizine Hcl	Meclizine Hcl	70	23
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	70	20
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	68	59
Glipizide	Glipizide	68	18
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	67	18
Estradiol	Estradiol	66	22
Citalopram Hbr	Citalopram Hydrobromide	64	20
Memantine Hcl	Memantine Hcl	64	20
Cefuroxime	Cefuroxime Axetil	63	56
Hydroxyzine Hcl	Hydroxyzine Hcl	63	17
Bupropion Xl	Bupropion Hcl	62	19
Doxazosin Mesylate	Doxazosin Mesylate	60	20
Venlafaxine Hcl Er	Venlafaxine Hcl	59	13
Doxycycline Hyclate	Doxycycline Hyclate	58	49
Fluoxetine Hcl	Fluoxetine Hcl	58	15
Valsartan	Valsartan	58	14
Celecoxib	Celecoxib	57	14
Diazepam	Diazepam	56	12
Paxlovid	Nirmatrelvir/Ritonavir	56	54
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	55	14
Fluticasone Propionate	Fluticasone Propionate	54	18
Methocarbamol	Methocarbamol	54	30
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	53	17
Amitriptyline Hcl	Amitriptyline Hcl	52	14
Ondansetron Hcl	Ondansetron Hcl	50	18
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	49	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	48	12
Metformin Hcl Er	Metformin Hcl	47	13
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	46	35
Fenofibrate	Fenofibrate	45	12
Mirtazapine	Mirtazapine	45	14
Pioglitazone Hcl	Pioglitazone Hcl	45	12
Linzess	Linaclotide	44	suppressed
Azithromycin	Azithromycin	41	36
Oxybutynin Chloride Er	Oxybutynin Chloride	41	13
Primidone	Primidone	41	13
Acetaminophen-Codeine	Acetaminophen With Codeine	40	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	40	12
Alendronate Sodium	Alendronate Sodium	39	11
Spironolactone	Spironolactone	38	suppressed
Tizanidine Hcl	Tizanidine Hcl	38	suppressed
Xarelto	Rivaroxaban	37	suppressed
Pregabalin	Pregabalin	36	15
Testosterone Cypionate	Testosterone Cypionate	36	11
Fluconazole	Fluconazole	35	16
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	34	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	33	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	33	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	32	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	32	suppressed
Promethazine Hcl	Promethazine Hcl	31	suppressed
Valacyclovir	Valacyclovir Hcl	31	15
Amoxicillin	Amoxicillin	30	16
Myrbetriq	Mirabegron	30	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	28	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	28	suppressed
Atenolol	Atenolol	27	suppressed
Azelastine Hcl	Azelastine Hcl	27	12
Ondansetron Odt	Ondansetron	27	11
Telmisartan-Hydrochlorothiazid	Telmisartan/Hydrochlorothiazid	27	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	27	suppressed
Cephalexin	Cephalexin	26	23
Diphenoxylate-Atropine	Diphenoxylate Hcl/Atropine	26	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	26	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	25	22
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	25	14
Verapamil Er	Verapamil Hcl	25	suppressed
Glipizide Er	Glipizide	24	suppressed
Glyburide	Glyburide	24	suppressed
Lorazepam	Lorazepam	24	suppressed
Nebivolol Hcl	Nebivolol Hcl	24	suppressed
Carisoprodol	Carisoprodol	23	suppressed
Acyclovir	Acyclovir	22	suppressed
Fenofibric Acid	Fenofibric Acid (Choline)	22	suppressed
Ipratropium Bromide	Ipratropium Bromide	22	14
Metronidazole	Metronidazole	22	22
Nitrofurantoin	Nitrofurantoin Macrocrystal	22	suppressed
Ramipril	Ramipril	22	suppressed
Topiramate	Topiramate	22	suppressed
Warfarin Sodium	Warfarin Sodium	22	suppressed
Ropinirole Hcl	Ropinirole Hcl	21	suppressed
Solifenacin Succinate	Solifenacin Succinate	21	suppressed
Sucralfate	Sucralfate	21	suppressed
Testosterone	Testosterone	21	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	20	suppressed
Cyanocobalamin Injection	Cyanocobalamin (Vitamin B-12)	20	suppressed
Hydralazine Hcl	Hydralazine Hcl	20	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	20	suppressed
Lidocaine	Lidocaine	20	suppressed
Sildenafil Citrate	Sildenafil Citrate	20	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	19	suppressed
Enalapril Maleate	Enalapril Maleate	19	suppressed
Symbicort	Budesonide/Formoterol Fumarate	19	suppressed
Clonidine Hcl	Clonidine Hcl	18	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	18	12
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	18	suppressed
Nystatin	Nystatin	18	suppressed
Rybelsus	Semaglutide	18	suppressed
Trulicity	Dulaglutide	18	suppressed
Januvia	Sitagliptin Phosphate	17	suppressed
Minoxidil	Minoxidil	17	suppressed
Raloxifene Hcl	Raloxifene Hcl	17	suppressed
Eszopiclone	Eszopiclone	16	suppressed
Jardiance	Empagliflozin	16	suppressed
Levofloxacin	Levofloxacin	16	15
Memantine Hcl Er	Memantine Hcl	16	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	16	suppressed
Telmisartan	Telmisartan	16	suppressed
Ventolin Hfa	Albuterol Sulfate	16	suppressed
Clindamycin Hcl	Clindamycin Hcl	15	12
Dicyclomine Hcl	Dicyclomine Hcl	15	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	15	suppressed
Levemir Flexpen	Insulin Detemir	15	suppressed
Megestrol Acetate	Megestrol Acetate	15	suppressed
Paxlovid (Eua)	Nirmatrelvir/Ritonavir	15	15
Repatha Sureclick	Evolocumab	15	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Breyna	Budesonide/Formoterol Fumarate	14	suppressed
Humalog Kwikpen U-200	Insulin Lispro	14	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	14	suppressed
Propranolol Hcl Er	Propranolol Hcl	14	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	14	suppressed
Amiodarone Hcl	Amiodarone Hcl	13	suppressed
Diclofenac Sodium	Diclofenac Sodium	13	suppressed
Estradiol (Twice Weekly)	Estradiol	13	suppressed
Labetalol Hcl	Labetalol Hcl	13	suppressed
Mupirocin	Mupirocin	13	suppressed
Cefprozil	Cefprozil	12	12
Divalproex Sodium	Divalproex Sodium	12	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	12	suppressed
Irbesartan	Irbesartan	12	suppressed
Naproxen	Naproxen	12	suppressed
Propranolol Hcl	Propranolol Hcl	12	suppressed
Risperidone	Risperidone	12	suppressed
Felodipine Er	Felodipine	11	suppressed
Ibuprofen	Ibuprofen	11	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	11	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	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