Healthcare provider profile · identity verified

Dmitriy Kosyagin, MD

Internal Medicine · LAS VEGAS, NV · NPI 1427020759

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	926	291
Amlodipine Besylate	Amlodipine Besylate	441	147
Levothyroxine Sodium	Levothyroxine Sodium	341	108
Losartan Potassium	Losartan Potassium	312	107
Rosuvastatin Calcium	Rosuvastatin Calcium	302	102
Lisinopril	Lisinopril	259	82
Metformin Hcl	Metformin Hcl	253	85
Omeprazole	Omeprazole	252	88
Metoprolol Succinate	Metoprolol Succinate	226	70
Tamsulosin Hcl	Tamsulosin Hcl	222	76
Eliquis	Apixaban	168	29
Alprazolam	Alprazolam	160	25
Glimepiride	Glimepiride	156	45
Hydrochlorothiazide	Hydrochlorothiazide	156	44
Gabapentin	Gabapentin	147	55
Simvastatin	Simvastatin	140	44
Atenolol	Atenolol	139	43
Pantoprazole Sodium	Pantoprazole Sodium	135	49
Metformin Hcl Er	Metformin Hcl	133	46
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	125	38
Finasteride	Finasteride	121	35
Allopurinol	Allopurinol	119	40
Metoprolol Tartrate	Metoprolol Tartrate	119	39
Tramadol Hcl	Tramadol Hcl	119	24
Fluticasone Propionate	Fluticasone Propionate	109	41
Alendronate Sodium	Alendronate Sodium	105	34
Furosemide	Furosemide	98	41
Glipizide Er	Glipizide	92	28
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	82	20
Potassium Chloride	Potassium Chloride	80	28
Jardiance	Empagliflozin	79	16
Pioglitazone Hcl	Pioglitazone Hcl	79	28
Albuterol Sulfate Hfa	Albuterol Sulfate	78	35
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	77	25
Temazepam	Temazepam	77	11
Hydralazine Hcl	Hydralazine Hcl	76	39
Trazodone Hcl	Trazodone Hcl	75	39
Atenolol-Chlorthalidone	Atenolol/Chlorthalidone	73	23
Famotidine	Famotidine	73	25
Ibuprofen	Ibuprofen	71	35
Diazepam	Diazepam	69	13
Carvedilol	Carvedilol	68	21
Pravastatin Sodium	Pravastatin Sodium	68	22
Clopidogrel	Clopidogrel Bisulfate	67	22
Celecoxib	Celecoxib	62	32
Ipratropium Bromide	Ipratropium Bromide	62	15
Fenofibrate	Fenofibrate	61	15
Quetiapine Fumarate	Quetiapine Fumarate	55	17
Terazosin Hcl	Terazosin Hcl	54	18
Candesartan Cilexetil	Candesartan Cilexetil	53	14
Lovastatin	Lovastatin	53	15
Montelukast Sodium	Montelukast Sodium	53	16
Sertraline Hcl	Sertraline Hcl	53	20
Zolpidem Tartrate	Zolpidem Tartrate	53	suppressed
Glipizide	Glipizide	49	16
Diclofenac Sodium	Diclofenac Sodium	46	21
Mirtazapine	Mirtazapine	46	21
Warfarin Sodium	Warfarin Sodium	46	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	45	20
Meloxicam	Meloxicam	45	16
Ozempic	Semaglutide	43	suppressed
Citalopram Hbr	Citalopram Hydrobromide	42	15
Mounjaro	Tirzepatide	42	11
Triamcinolone Acetonide	Triamcinolone Acetonide	40	34
Trulicity	Dulaglutide	40	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	37	14
Fluoxetine Hcl	Fluoxetine Hcl	35	13
Prednisone	Prednisone	35	26
Farxiga	Dapagliflozin Propanediol	34	suppressed
Tizanidine Hcl	Tizanidine Hcl	33	13
Benazepril Hcl	Benazepril Hcl	32	suppressed
Ketoconazole	Ketoconazole	32	17
Nifedipine Er	Nifedipine	31	suppressed
Valsartan	Valsartan	31	suppressed
Chlorthalidone	Chlorthalidone	30	12
Spironolactone	Spironolactone	30	13
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	30	suppressed
Pregabalin	Pregabalin	29	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	29	suppressed
Candesartan-Hydrochlorothiazid	Candesartan/Hydrochlorothiazid	28	suppressed
Irbesartan	Irbesartan	28	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	28	12
Ropinirole Hcl	Ropinirole Hcl	28	suppressed
Glipizide-Metformin	Glipizide/Metformin Hcl	26	suppressed
Azithromycin	Azithromycin	25	23
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	25	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	25	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	25	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	24	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	23	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	23	suppressed
Meclizine Hcl	Meclizine Hcl	23	18
Duloxetine Hcl	Duloxetine Hcl	22	11
Humalog Kwikpen U-100	Insulin Lispro	22	suppressed
Ezetimibe	Ezetimibe	21	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	21	suppressed
Paroxetine Hcl	Paroxetine Hcl	20	suppressed
Clonazepam	Clonazepam	19	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	19	suppressed
Pioglitazone-Glimepiride	Pioglitazone Hcl/Glimepiride	19	suppressed
Acyclovir	Acyclovir	18	suppressed
Butalbital-Acetaminophen-Caffe	Butalb/Acetaminophen/Caffeine	18	suppressed
Arnuity Ellipta	Fluticasone Furoate	17	suppressed
Levetiracetam	Levetiracetam	17	suppressed
Lorazepam	Lorazepam	17	suppressed
Sildenafil Citrate	Sildenafil Citrate	17	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	17	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	17	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	16	suppressed
Risperidone	Risperidone	16	suppressed
Xarelto	Rivaroxaban	16	suppressed
Symbicort	Budesonide/Formoterol Fumarate	15	suppressed
Ciclopirox	Ciclopirox	14	suppressed
Clonidine Hcl	Clonidine Hcl	14	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	14	14
Tramadol Hcl-Acetaminophen	Tramadol Hcl/Acetaminophen	14	suppressed
Donepezil Hcl	Donepezil Hcl	13	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	13	suppressed
Januvia	Sitagliptin Phosphate	13	suppressed
Nystatin	Nystatin	13	suppressed
Naproxen	Naproxen	12	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	12	suppressed
Solifenacin Succinate	Solifenacin Succinate	12	suppressed
Spiriva Respimat	Tiotropium Bromide	12	suppressed
Baclofen	Baclofen	11	suppressed
Valacyclovir	Valacyclovir Hcl	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