Healthcare provider profile · identity verified

Ivan Merkelj, MD

Internal Medicine · MIAMI, FL · NPI 1205950177

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	663	91
Amlodipine Besylate	Amlodipine Besylate	584	82
Levothyroxine Sodium	Levothyroxine Sodium	522	68
Furosemide	Furosemide	424	63
Trazodone Hcl	Trazodone Hcl	403	50
Gabapentin	Gabapentin	391	53
Pantoprazole Sodium	Pantoprazole Sodium	356	49
Sertraline Hcl	Sertraline Hcl	348	42
Donepezil Hcl	Donepezil Hcl	325	48
Losartan Potassium	Losartan Potassium	298	42
Quetiapine Fumarate	Quetiapine Fumarate	292	40
Mirtazapine	Mirtazapine	289	48
Memantine Hcl	Memantine Hcl	271	35
Eliquis	Apixaban	267	33
Lisinopril	Lisinopril	267	38
Triamcinolone Acetonide	Triamcinolone Acetonide	242	75
Potassium Chloride	Potassium Chloride	235	40
Famotidine	Famotidine	223	33
Tamsulosin Hcl	Tamsulosin Hcl	215	36
Metformin Hcl	Metformin Hcl	212	29
Metoprolol Succinate	Metoprolol Succinate	205	30
Metoprolol Tartrate	Metoprolol Tartrate	200	35
Divalproex Sodium	Divalproex Sodium	188	28
Escitalopram Oxalate	Escitalopram Oxalate	188	33
Omeprazole	Omeprazole	186	31
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	180	19
Simvastatin	Simvastatin	179	30
Permethrin	Permethrin	173	70
Carvedilol	Carvedilol	171	24
Montelukast Sodium	Montelukast Sodium	152	17
Hydrochlorothiazide	Hydrochlorothiazide	151	15
Buspirone Hcl	Buspirone Hcl	149	21
Duloxetine Hcl	Duloxetine Hcl	149	20
Lidocaine	Lidocaine	143	37
Ivermectin	Ivermectin	119	57
Aripiprazole	Aripiprazole	115	16
Levetiracetam	Levetiracetam	113	13
Ezetimibe	Ezetimibe	111	15
Carbidopa-Levodopa	Carbidopa/Levodopa	106	17
Clopidogrel	Clopidogrel Bisulfate	106	18
Hydralazine Hcl	Hydralazine Hcl	103	18
Fluticasone Propionate	Fluticasone Propionate	100	28
Prednisone	Prednisone	93	27
Citalopram Hbr	Citalopram Hydrobromide	92	suppressed
Nifedipine Er	Nifedipine	91	15
Latanoprost	Latanoprost	85	21
Bupropion Xl	Bupropion Hcl	81	12
Fluoxetine Hcl	Fluoxetine Hcl	76	11
Risperidone	Risperidone	74	16
Oxybutynin Chloride	Oxybutynin Chloride	72	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	72	12
Finasteride	Finasteride	71	13
Pravastatin Sodium	Pravastatin Sodium	69	suppressed
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	66	14
Midodrine Hcl	Midodrine Hcl	65	suppressed
Atenolol	Atenolol	62	suppressed
Insulin Lispro Kwikpen U-100	Insulin Lispro	62	suppressed
Glipizide	Glipizide	59	11
Xarelto	Rivaroxaban	55	suppressed
Timolol Maleate	Timolol Maleate	54	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	52	suppressed
Rexulti	Brexpiprazole	52	suppressed
Buprenorphine	Buprenorphine	49	12
Lamotrigine	Lamotrigine	49	suppressed
Morphine Sulfate	Morphine Sulfate	49	31
Olanzapine	Olanzapine	49	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	47	30
Enulose	Lactulose	47	16
Rosuvastatin Calcium	Rosuvastatin Calcium	46	11
Venlafaxine Hcl Er	Venlafaxine Hcl	46	suppressed
Jardiance	Empagliflozin	45	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	43	suppressed
Glimepiride	Glimepiride	42	suppressed
Allopurinol	Allopurinol	41	suppressed
Nystop	Nystatin	41	27
Ondansetron Hcl	Ondansetron Hcl	41	21
Topiramate	Topiramate	41	suppressed
Amiodarone Hcl	Amiodarone Hcl	40	suppressed
Oxcarbazepine	Oxcarbazepine	40	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	39	suppressed
Gemtesa	Vibegron	39	suppressed
Creon	Lipase/Protease/Amylase	37	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	37	suppressed
Meloxicam	Meloxicam	37	suppressed
Enalapril Maleate	Enalapril Maleate	36	suppressed
Methenamine Hippurate	Methenamine Hippurate	36	suppressed
Valsartan	Valsartan	36	suppressed
Linzess	Linaclotide	34	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	34	34
Spironolactone	Spironolactone	34	suppressed
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	33	16
Insulin Aspart Flexpen	Insulin Aspart	33	suppressed
Ketoconazole	Ketoconazole	33	17
Levofloxacin	Levofloxacin	33	26
Methotrexate	Methotrexate Sodium	33	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	33	25
Toujeo Max Solostar	Insulin Glargine,hum.Rec.Anlog	33	suppressed
Tramadol Hcl	Tramadol Hcl	32	14
Chlorhexidine Gluconate	Chlorhexidine Gluconate	31	19
Invega Sustenna	Paliperidone Palmitate	30	suppressed
Chlorthalidone	Chlorthalidone	29	suppressed
Benztropine Mesylate	Benztropine Mesylate	28	suppressed
Bupropion Hcl	Bupropion Hcl	28	suppressed
Januvia	Sitagliptin Phosphate	28	suppressed
Bumetanide	Bumetanide	27	suppressed
Mupirocin	Mupirocin	27	22
Nystatin	Nystatin	27	24
Rivastigmine	Rivastigmine Tartrate	27	suppressed
Clonidine	Clonidine	26	suppressed
Divalproex Sodium Er	Divalproex Sodium	26	suppressed
Digoxin	Digoxin	25	suppressed
Hydrocortisone	Hydrocortisone	25	suppressed
Hydroxyurea	Hydroxyurea	25	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	25	suppressed
Novolog Flexpen	Insulin Aspart	25	suppressed
Baclofen	Baclofen	24	suppressed
Lamotrigine Odt	Lamotrigine	24	suppressed
Dorzolamide Hcl	Dorzolamide Hcl	23	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	23	suppressed
Insulin Lispro Protamine Mix	Insulin Lispro Protamin/Lispro	22	suppressed
Methadone Hcl	Methadone Hcl	22	suppressed
Unifine Pentips	Pen Needle, Diabetic	22	suppressed
Amoxicillin	Amoxicillin	21	19
Clonidine Hcl	Clonidine Hcl	21	suppressed
Humulin R	Insulin Regular, Human	21	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	21	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	21	suppressed
Lactulose	Lactulose	21	suppressed
Lurasidone Hcl	Lurasidone Hcl	21	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	21	16
Temazepam	Temazepam	21	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	21	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	20	suppressed
Buprenorphine-Naloxone	Buprenorphine Hcl/Naloxone Hcl	20	suppressed
Cephalexin	Cephalexin	20	17
Cinacalcet Hcl	Cinacalcet Hcl	20	suppressed
Alendronate Sodium	Alendronate Sodium	19	suppressed
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	19	suppressed
Clonazepam	Clonazepam	19	suppressed
Entresto	Sacubitril/Valsartan	19	suppressed
Nystatin-Triamcinolone	Nystatin/Triamcinolone Acet	19	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	19	suppressed
Pancreaze	Lipase/Protease/Amylase	19	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	18	suppressed
Diclofenac Sodium	Diclofenac Sodium	17	suppressed
Fentanyl	Fentanyl	17	suppressed
Lorazepam	Lorazepam	17	suppressed
Sucralfate	Sucralfate	17	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	16	12
Desvenlafaxine Succinate Er	Desvenlafaxine Succinate	16	suppressed
Erythromycin	Erythromycin Base	16	11
Ipratropium Bromide	Ipratropium Bromide	16	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	16	suppressed
Ozempic	Semaglutide	16	suppressed
Raloxifene Hcl	Raloxifene Hcl	16	suppressed
Tizanidine Hcl	Tizanidine Hcl	16	suppressed
Travoprost	Travoprost	16	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	15	suppressed
Levemir Flexpen	Insulin Detemir	15	suppressed
Neupro	Rotigotine	15	suppressed
Vraylar	Cariprazine Hcl	15	suppressed
Acetazolamide Er	Acetazolamide	14	suppressed
Cefuroxime	Cefuroxime Axetil	14	14
Lorazepam Intensol	Lorazepam	14	11
Metformin Hcl Er	Metformin Hcl	14	suppressed
Methylprednisolone	Methylprednisolone	14	14
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	14	suppressed
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	14	suppressed
Risperidone Odt	Risperidone	14	suppressed
Rytary	Carbidopa/Levodopa	14	suppressed
Warfarin Sodium	Warfarin Sodium	14	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	13	suppressed
Alprazolam	Alprazolam	13	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	13	12
Arexvy	Rsvpref3 Antigen/As01e/Pf	13	13
Irbesartan	Irbesartan	13	suppressed
Lubiprostone	Lubiprostone	13	suppressed
Memantine Hcl Er	Memantine Hcl	13	suppressed
Mesalamine	Mesalamine	13	suppressed
Naltrexone Hcl	Naltrexone Hcl	13	suppressed
Namzaric	Memantine Hcl/Donepezil Hcl	13	suppressed
Novolin 70-30	Insulin Nph Hum/Reg Insulin Hm	13	suppressed
Nuplazid	Pimavanserin Tartrate	13	suppressed
Olanzapine-Fluoxetine Hcl	Olanzapine/Fluoxetine Hcl	13	suppressed
Paroxetine Hcl	Paroxetine Hcl	13	suppressed
Prazosin Hcl	Prazosin Hcl	13	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	13	suppressed
Acetazolamide	Acetazolamide	12	suppressed
Ibuprofen	Ibuprofen	12	suppressed
Lithium Carbonate	Lithium Carbonate	12	suppressed
Loperamide	Loperamide Hcl	12	suppressed
Metronidazole	Metronidazole	12	suppressed
Novolin R	Insulin Regular, Human	12	suppressed
Oxycodone Hcl	Oxycodone Hcl	12	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	12	suppressed
Quetiapine Fumarate Er	Quetiapine Fumarate	12	suppressed
Rivastigmine	Rivastigmine	12	suppressed
Tadalafil	Tadalafil	12	suppressed
Topiramate Er	Topiramate	12	suppressed
Valproic Acid	Valproic Acid	12	suppressed
Ziprasidone Hcl	Ziprasidone Hcl	12	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	11	suppressed
Benazepril Hcl	Benazepril Hcl	11	suppressed
Doxepin Hcl	Doxepin Hcl	11	suppressed
Emgality Syringe	Galcanezumab-Gnlm	11	suppressed
Fesoterodine Fumarate Er	Fesoterodine Fumarate	11	suppressed
Humalog Kwikpen U-100	Insulin Lispro	11	suppressed
Hydroxyzine Pamoate	Hydroxyzine Pamoate	11	suppressed
Hyoscyamine Sulfate	Hyoscyamine Sulfate	11	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	11	suppressed
Rezvoglar Kwikpen	Insulin Glargine-Aglr	11	suppressed
Santyl	Collagenase Clostridium Hist.	11	suppressed
Solifenacin Succinate	Solifenacin Succinate	11	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	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