Healthcare provider profile · identity verified

Mark W. Lastarza, M.D.

Internal Medicine · ORMOND BEACH, FL · NPI 1831165448

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	986	315
Amlodipine Besylate	Amlodipine Besylate	768	246
Levothyroxine Sodium	Levothyroxine Sodium	667	184
Rosuvastatin Calcium	Rosuvastatin Calcium	531	166
Losartan Potassium	Losartan Potassium	438	136
Lisinopril	Lisinopril	411	125
Metformin Hcl	Metformin Hcl	285	86
Omeprazole	Omeprazole	266	87
Metoprolol Succinate	Metoprolol Succinate	238	70
Simvastatin	Simvastatin	211	66
Pantoprazole Sodium	Pantoprazole Sodium	196	61
Hydrochlorothiazide	Hydrochlorothiazide	189	59
Alprazolam	Alprazolam	181	43
Ezetimibe	Ezetimibe	172	54
Zolpidem Tartrate	Zolpidem Tartrate	158	37
Gabapentin	Gabapentin	156	56
Carvedilol	Carvedilol	151	46
Allopurinol	Allopurinol	147	42
Potassium Chloride	Potassium Chloride	143	51
Escitalopram Oxalate	Escitalopram Oxalate	137	53
Ozempic	Semaglutide	134	22
Glipizide Er	Glipizide	127	38
Synthroid	Levothyroxine Sodium	119	34
Trazodone Hcl	Trazodone Hcl	106	39
Furosemide	Furosemide	104	40
Tramadol Hcl	Tramadol Hcl	100	23
Sertraline Hcl	Sertraline Hcl	97	31
Meloxicam	Meloxicam	96	29
Metoprolol Tartrate	Metoprolol Tartrate	96	32
Albuterol Sulfate Hfa	Albuterol Sulfate	93	30
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	89	25
Tamsulosin Hcl	Tamsulosin Hcl	88	30
Olmesartan Medoxomil	Olmesartan Medoxomil	81	23
Lorazepam	Lorazepam	79	22
Montelukast Sodium	Montelukast Sodium	78	22
Fluoxetine Hcl	Fluoxetine Hcl	73	19
Alendronate Sodium	Alendronate Sodium	68	22
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	68	19
Valsartan	Valsartan	68	24
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	67	16
Clopidogrel	Clopidogrel Bisulfate	66	30
Fluticasone Propionate	Fluticasone Propionate	66	31
Metformin Hcl Er	Metformin Hcl	64	20
Pravastatin Sodium	Pravastatin Sodium	61	21
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	57	16
Venlafaxine Hcl Er	Venlafaxine Hcl	55	17
Temazepam	Temazepam	54	suppressed
Atenolol	Atenolol	52	15
Pregabalin	Pregabalin	52	suppressed
Famotidine	Famotidine	51	19
Finasteride	Finasteride	51	16
Eliquis	Apixaban	50	17
Azithromycin	Azithromycin	48	40
Amitriptyline Hcl	Amitriptyline Hcl	45	11
Benazepril Hcl	Benazepril Hcl	45	12
Cephalexin	Cephalexin	45	37
Glipizide	Glipizide	44	13
Mounjaro	Tirzepatide	44	suppressed
Citalopram Hbr	Citalopram Hydrobromide	42	13
Estradiol	Estradiol	42	16
Terazosin Hcl	Terazosin Hcl	42	suppressed
Methylprednisolone	Methylprednisolone	40	35
Acyclovir	Acyclovir	39	suppressed
Jardiance	Empagliflozin	38	15
Duloxetine Hcl	Duloxetine Hcl	37	suppressed
Celecoxib	Celecoxib	36	12
Fenofibrate	Fenofibrate	36	12
Glimepiride	Glimepiride	36	16
Bupropion Xl	Bupropion Hcl	35	12
Ramipril	Ramipril	35	suppressed
Mirtazapine	Mirtazapine	34	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	34	suppressed
Paroxetine Hcl	Paroxetine Hcl	34	suppressed
Enalapril Maleate	Enalapril Maleate	33	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	32	suppressed
Valacyclovir	Valacyclovir Hcl	32	16
Amoxicillin	Amoxicillin	31	21
Chlorthalidone	Chlorthalidone	31	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	31	29
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	29	suppressed
Fenofibrate	Fenofibrate Nanocrystallized	29	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	29	suppressed
Warfarin Sodium	Warfarin Sodium	28	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	27	13
Diclofenac Sodium	Diclofenac Sodium	27	13
Sildenafil Citrate	Sildenafil Citrate	27	suppressed
Donepezil Hcl	Donepezil Hcl	26	suppressed
Memantine Hcl	Memantine Hcl	25	suppressed
Lantus	Insulin Glargine,hum.Rec.Anlog	23	suppressed
Spironolactone	Spironolactone	23	suppressed
Lansoprazole	Lansoprazole	22	suppressed
Symbicort	Budesonide/Formoterol Fumarate	21	suppressed
Bumetanide	Bumetanide	20	suppressed
Farxiga	Dapagliflozin Propanediol	20	suppressed
Ipratropium Bromide	Ipratropium Bromide	20	suppressed
Irbesartan	Irbesartan	20	suppressed
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	20	suppressed
Diazepam	Diazepam	19	suppressed
Lactulose	Lactulose	19	suppressed
Meclizine Hcl	Meclizine Hcl	19	14
Prednisone	Prednisone	19	suppressed
Rybelsus	Semaglutide	19	suppressed
Ventolin Hfa	Albuterol Sulfate	19	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	18	suppressed
Telmisartan	Telmisartan	18	suppressed
Testosterone	Testosterone	17	suppressed
Bupropion Hcl Sr	Bupropion Hcl	16	suppressed
Raloxifene Hcl	Raloxifene Hcl	16	suppressed
Tizanidine Hcl	Tizanidine Hcl	16	suppressed
Breo Ellipta	Fluticasone/Vilanterol	15	suppressed
Clonazepam	Clonazepam	15	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	15	suppressed
Lovastatin	Lovastatin	15	suppressed
Ondansetron Hcl	Ondansetron Hcl	15	suppressed
Humalog Kwikpen U-100	Insulin Lispro	14	suppressed
Nebivolol Hcl	Nebivolol Hcl	14	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	14	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	13	12
Doxazosin Mesylate	Doxazosin Mesylate	13	suppressed
Midodrine Hcl	Midodrine Hcl	13	suppressed
Rizatriptan	Rizatriptan Benzoate	13	suppressed
Colchicine	Colchicine	12	suppressed
Januvia	Sitagliptin Phosphate	12	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	12	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	12	suppressed
Ropinirole Hcl	Ropinirole Hcl	12	suppressed
Calcitriol	Calcitriol	11	suppressed
Humalog	Insulin Lispro	11	suppressed
Klor-Con 10	Potassium Chloride	11	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	11	suppressed
Metolazone	Metolazone	11	suppressed
Wegovy	Semaglutide	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