Healthcare provider profile · identity verified

Mark Noel Samonte, M.D.

General Practice · CARSON, CA · NPI 1114140233

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	2869	467
Amlodipine Besylate	Amlodipine Besylate	2427	392
Metformin Hcl	Metformin Hcl	1492	240
Gabapentin	Gabapentin	1433	218
Levothyroxine Sodium	Levothyroxine Sodium	1352	186
Lisinopril	Lisinopril	1120	196
Losartan Potassium	Losartan Potassium	1029	187
Tamsulosin Hcl	Tamsulosin Hcl	974	165
Furosemide	Furosemide	844	159
Pantoprazole Sodium	Pantoprazole Sodium	835	146
Famotidine	Famotidine	813	125
Eliquis	Apixaban	799	99
Metoprolol Tartrate	Metoprolol Tartrate	667	108
Omeprazole	Omeprazole	542	91
Donepezil Hcl	Donepezil Hcl	539	97
Levetiracetam	Levetiracetam	521	87
Memantine Hcl	Memantine Hcl	491	77
Carvedilol	Carvedilol	474	86
Ibuprofen	Ibuprofen	462	164
Clopidogrel	Clopidogrel Bisulfate	440	73
Simvastatin	Simvastatin	437	71
Trazodone Hcl	Trazodone Hcl	421	88
Hydralazine Hcl	Hydralazine Hcl	418	76
Benazepril Hcl	Benazepril Hcl	412	58
Risperidone	Risperidone	392	63
Januvia	Sitagliptin Phosphate	348	49
Benztropine Mesylate	Benztropine Mesylate	344	55
Potassium Chloride	Potassium Chloride	344	91
Glipizide	Glipizide	335	49
Divalproex Sodium	Divalproex Sodium	327	51
Finasteride	Finasteride	322	47
Lactulose	Lactulose	319	65
Hydrochlorothiazide	Hydrochlorothiazide	314	54
Metoprolol Succinate	Metoprolol Succinate	307	59
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	286	53
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	281	54
Albuterol Sulfate Hfa	Albuterol Sulfate	275	93
Oxybutynin Chloride	Oxybutynin Chloride	275	34
Quetiapine Fumarate	Quetiapine Fumarate	263	63
Mirtazapine	Mirtazapine	257	56
Jardiance	Empagliflozin	251	47
Lorazepam	Lorazepam	244	57
Spironolactone	Spironolactone	240	37
Clonidine Hcl	Clonidine Hcl	238	83
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	215	51
Olanzapine	Olanzapine	212	38
Rosuvastatin Calcium	Rosuvastatin Calcium	209	41
Sertraline Hcl	Sertraline Hcl	202	45
Allopurinol	Allopurinol	193	31
Escitalopram Oxalate	Escitalopram Oxalate	191	44
Montelukast Sodium	Montelukast Sodium	190	39
Diclofenac Sodium	Diclofenac Sodium	186	73
Tramadol Hcl	Tramadol Hcl	181	68
Atenolol	Atenolol	179	30
Vascepa	Icosapent Ethyl	172	34
Propranolol Hcl	Propranolol Hcl	165	29
Alendronate Sodium	Alendronate Sodium	164	33
Valproic Acid	Valproic Acid (As Sodium Salt)	163	24
Latanoprost	Latanoprost	162	37
Carbidopa-Levodopa	Carbidopa/Levodopa	160	24
Midodrine Hcl	Midodrine Hcl	152	30
Xarelto	Rivaroxaban	152	19
Triamcinolone Acetonide	Triamcinolone Acetonide	145	70
Baclofen	Baclofen	144	36
Humulin R	Insulin Regular, Human	140	35
Amantadine	Amantadine Hcl	132	16
Meclizine Hcl	Meclizine Hcl	127	41
Meloxicam	Meloxicam	127	32
Tradjenta	Linagliptin	126	20
Buspirone Hcl	Buspirone Hcl	124	24
Entresto	Sacubitril/Valsartan	124	19
Amiodarone Hcl	Amiodarone Hcl	123	20
Ozempic	Semaglutide	117	17
Icosapent Ethyl	Icosapent Ethyl	114	24
Isosorbide Mononitrate Er	Isosorbide Mononitrate	111	18
Valsartan	Valsartan	110	19
Gemfibrozil	Gemfibrozil	106	13
Novolin R	Insulin Regular, Human	106	26
Fluticasone Propionate	Fluticasone Propionate	104	45
Aripiprazole	Aripiprazole	103	23
Zolpidem Tartrate	Zolpidem Tartrate	103	23
Alcohol Prep Pads	Alcohol Antiseptic Pads	99	23
Ventolin Hfa	Albuterol Sulfate	95	28
Nifedipine Er	Nifedipine	94	20
Citalopram Hbr	Citalopram Hydrobromide	92	18
Naproxen	Naproxen	91	27
Pravastatin Sodium	Pravastatin Sodium	90	15
Topiramate	Topiramate	90	15
Omega-3 Acid Ethyl Esters	Omega-3 Acid Ethyl Esters	86	21
Duloxetine Hcl	Duloxetine Hcl	85	16
Lovastatin	Lovastatin	84	suppressed
Ipratropium-Albuterol	Ipratropium/Albuterol Sulfate	82	26
Temazepam	Temazepam	82	24
Timolol Maleate	Timolol Maleate	82	12
Linzess	Linaclotide	81	14
Fenofibrate	Fenofibrate	80	14
Lantus	Insulin Glargine,hum.Rec.Anlog	80	19
Pioglitazone Hcl	Pioglitazone Hcl	80	12
Enulose	Lactulose	79	16
Phenytoin Sodium Extended	Phenytoin Sodium Extended	79	15
Fluoxetine Hcl	Fluoxetine Hcl	78	14
Metformin Er Gastric	Metformin Hcl	78	13
Azithromycin	Azithromycin	77	53
Lidocaine	Lidocaine	77	30
Lamotrigine	Lamotrigine	76	16
Megestrol Acetate	Megestrol Acetate	74	27
Fenofibrate	Fenofibrate Nanocrystallized	71	suppressed
Loperamide	Loperamide Hcl	71	31
Ropinirole Hcl	Ropinirole Hcl	71	11
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	69	suppressed
Chlorthalidone	Chlorthalidone	69	suppressed
Humalog	Insulin Lispro	69	19
Isosorbide Dinitrate	Isosorbide Dinitrate	69	12
Comfort Ez Pen Needle	Pen Needle, Diabetic	68	16
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	68	50
Memantine Hcl Er	Memantine Hcl	67	suppressed
Myrbetriq	Mirabegron	67	17
Santyl	Collagenase Clostridium Hist.	64	30
Fludrocortisone Acetate	Fludrocortisone Acetate	63	suppressed
Nystatin	Nystatin	63	27
Digoxin	Digoxin	62	11
Oxybutynin Chloride Er	Oxybutynin Chloride	62	suppressed
Prednisone	Prednisone	61	24
Esomeprazole Magnesium	Esomeprazole Magnesium	60	12
Farxiga	Dapagliflozin Propanediol	60	17
Ondansetron Hcl	Ondansetron Hcl	60	36
Sucralfate	Sucralfate	59	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	58	suppressed
Oxcarbazepine	Oxcarbazepine	58	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	58	suppressed
Bethanechol Chloride	Bethanechol Chloride	57	suppressed
Brimonidine Tartrate	Brimonidine Tartrate	57	13
Ciprofloxacin Hcl	Ciprofloxacin Hcl	57	47
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	56	20
Ketoconazole	Ketoconazole	55	28
Omeprazole-Sodium Bicarbonate	Omeprazole/Sodium Bicarbonate	52	suppressed
Anastrozole	Anastrozole	51	suppressed
Clonazepam	Clonazepam	51	13
Colchicine	Colchicine	49	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	48	41
Haloperidol	Haloperidol	48	11
Terazosin Hcl	Terazosin Hcl	48	suppressed
Tolterodine Tartrate Er	Tolterodine Tartrate	48	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	47	suppressed
Metformin Hcl Er	Metformin Hcl	47	13
Sevelamer Carbonate	Sevelamer Carbonate	47	suppressed
Humalog Kwikpen U-100	Insulin Lispro	46	suppressed
Hydrocortisone	Hydrocortisone	46	25
Tizanidine Hcl	Tizanidine Hcl	46	suppressed
Ultra-Fine Nano Pen Needle	Pen Needle, Diabetic	46	14
Alcohol Pads	Alcohol Antiseptic Pads	45	suppressed
Alprazolam	Alprazolam	45	12
Constulose	Lactulose	45	12
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	45	suppressed
Zileuton Er	Zileuton	45	suppressed
Mupirocin	Mupirocin	44	31
Dorzolamide Hcl	Dorzolamide Hcl	43	suppressed
Bupropion Xl	Bupropion Hcl	41	suppressed
Glimepiride	Glimepiride	41	suppressed
Olmesartan Medoxomil	Olmesartan Medoxomil	40	suppressed
Celecoxib	Celecoxib	39	11
Cephalexin	Cephalexin	39	29
Divalproex Sodium Er	Divalproex Sodium	39	11
Ezetimibe	Ezetimibe	39	suppressed
Nitroglycerin	Nitroglycerin	39	18
Autoshield Duo Pen Needle	Pen Needle,dual Safety,diabetc	38	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	38	15
Ibu	Ibuprofen	38	12
Budesonide	Budesonide	37	12
Clotrimazole	Clotrimazole	37	18
Enalapril Maleate	Enalapril Maleate	37	suppressed
Incruse Ellipta	Umeclidinium Bromide	37	suppressed
Methadone Hcl	Methadone Hcl	37	suppressed
Warfarin Sodium	Warfarin Sodium	37	suppressed
Clobetasol Propionate	Clobetasol Propionate	35	20
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	35	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	35	suppressed
Diltiazem Hcl	Diltiazem Hcl	35	suppressed
Dorzolamide-Timolol	Dorzolamide Hcl/Timolol Maleat	35	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	34	13
Carbamazepine	Carbamazepine	34	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	34	16
Insulin Lispro Kwikpen U-100	Insulin Lispro	34	13
Novolin R Flexpen	Insulin Regular, Human	34	suppressed
Trulicity	Dulaglutide	34	suppressed
Alcohol Swab	Alcohol Antiseptic Pads	33	suppressed
Bumetanide	Bumetanide	33	suppressed
Glucagon Emergency Kit	Glucagon Hcl	33	suppressed
Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	33	suppressed
Glycopyrrolate	Glycopyrrolate	32	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	32	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	30	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	30	suppressed
Dexlansoprazole Dr	Dexlansoprazole	30	suppressed
Fluocinonide	Fluocinonide	30	13
Methimazole	Methimazole	29	suppressed
Paroxetine Hcl	Paroxetine Hcl	29	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	29	suppressed
Alogliptin	Alogliptin Benzoate	28	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	28	25
Heparin Sodium	Heparin Sodium,porcine	28	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	28	suppressed
Metformin Er Osmotic	Metformin Hcl	27	suppressed
Creon	Lipase/Protease/Amylase	26	suppressed
Nystop	Nystatin	26	14
Permethrin	Permethrin	26	22
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	25	19
Dutasteride	Dutasteride	24	suppressed
Gentamicin Sulfate	Gentamicin Sulfate	24	13
Promethazine Hcl	Promethazine Hcl	24	12
Risperidone Odt	Risperidone	24	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	23	suppressed
Glipizide Er	Glipizide	23	suppressed
Norliqva	Amlodipine Besylate	23	suppressed
Novolog	Insulin Aspart	23	suppressed
Acetazolamide	Acetazolamide	22	suppressed
Econazole Nitrate	Econazole Nitrate	22	17
Isentress	Raltegravir Potassium	22	suppressed
Labetalol Hcl	Labetalol Hcl	22	suppressed
Lithium Carbonate	Lithium Carbonate	22	suppressed
Olmesartan-Hydrochlorothiazide	Olmesartan/Hydrochlorothiazide	22	suppressed
Pregabalin	Pregabalin	22	suppressed
Primidone	Primidone	22	suppressed
Sulfasalazine	Sulfasalazine	22	suppressed
Tavaborole	Tavaborole	22	suppressed
Calcitriol	Calcitriol	21	suppressed
Fluconazole	Fluconazole	21	16
Theophylline Er	Theophylline Anhydrous	21	suppressed
Fenofibrate	Fenofibrate,micronized	20	suppressed
Lacosamide	Lacosamide	20	suppressed
Restasis	Cyclosporine	20	suppressed
Tamoxifen Citrate	Tamoxifen Citrate	20	suppressed
Atropine Sulfate	Atropine Sulfate	19	11
Atrovent Hfa	Ipratropium Bromide	19	suppressed
Fiasp Flextouch	Insulin Aspart (Niacinamide)	19	suppressed
Lumigan	Bimatoprost	19	suppressed
Minoxidil	Minoxidil	19	suppressed
Novofine Autocover	Pen Needle, Diabetic, Safety	19	suppressed
Nyamyc	Nystatin	19	11
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	19	suppressed
Acyclovir	Acyclovir	18	suppressed
Brilinta	Ticagrelor	18	suppressed
Clozapine	Clozapine	18	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	18	suppressed
Lurasidone Hcl	Lurasidone Hcl	18	suppressed
Sodium Chloride	0.9 % Sodium Chloride	18	suppressed
Symbicort	Budesonide/Formoterol Fumarate	18	suppressed
Trintellix	Vortioxetine Hydrobromide	18	suppressed
Ertapenem	Ertapenem Sodium	17	12
Glucagon Emergency Kit	Glucagon	17	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	17	suppressed
Humulin N Kwikpen	Insulin Nph Human Isophane	17	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	17	suppressed
Methocarbamol	Methocarbamol	17	suppressed
Sps	Sodium Polystyrene Sulfon/Sorb	17	14
Trihexyphenidyl Hcl	Trihexyphenidyl Hcl	17	suppressed
Breo Ellipta	Fluticasone/Vilanterol	16	suppressed
Breyna	Budesonide/Formoterol Fumarate	16	suppressed
Diflorasone Diacetate	Diflorasone Diacetate	16	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	16	suppressed
Levofloxacin	Levofloxacin	16	14
Alphagan P	Brimonidine Tartrate	15	suppressed
Arnuity Ellipta	Fluticasone Furoate	15	suppressed
Easy Comfort Pen Needle	Pen Needle, Diabetic	15	suppressed
Galantamine Hbr	Galantamine Hbr	15	suppressed
Mometasone Furoate	Mometasone Furoate	15	suppressed
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	15	suppressed
Novolog Flexpen	Insulin Aspart	15	suppressed
Olanzapine Odt	Olanzapine	15	suppressed
Phenytoin	Phenytoin	15	suppressed
Rivastigmine	Rivastigmine Tartrate	15	suppressed
Ultra-Fine Short Pen Needle	Pen Needle, Diabetic	15	suppressed
Acarbose	Acarbose	14	suppressed
Alfuzosin Hcl Er	Alfuzosin Hcl	14	suppressed
Bupropion Hcl Sr	Bupropion Hcl	14	suppressed
Haloperidol Decanoate	Haloperidol Decanoate	14	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	13	suppressed
Amoxicillin	Amoxicillin	13	11
Arexvy	Rsvpref3 Antigen/As01e/Pf	13	13
Azelastine Hcl	Azelastine Hcl	13	suppressed
Dexamethasone	Dexamethasone	13	suppressed
Diazepam	Diazepam	13	suppressed
Enoxaparin Sodium	Enoxaparin Sodium	13	suppressed
Folic Acid	Folic Acid	13	suppressed
Haloperidol Lactate	Haloperidol Lactate	13	suppressed
Humulin N	Insulin Nph Human Isophane	13	suppressed
Ingrezza	Valbenazine Tosylate	13	suppressed
Lamivudine	Lamivudine	13	suppressed
Metoclopramide Hcl	Metoclopramide Hcl	13	suppressed
Novolog Mix 70-30 Flexpen	Insulin Aspart Prot/Insuln Asp	13	suppressed
Pentoxifylline	Pentoxifylline	13	suppressed
Phenobarbital	Phenobarbital	13	suppressed
Prazosin Hcl	Prazosin Hcl	13	suppressed
Synjardy Xr	Empagliflozin/Metformin Hcl	13	suppressed
Zenpep	Lipase/Protease/Amylase	13	suppressed
Admelog	Insulin Lispro	12	suppressed
Ammonium Lactate	Ammonium Lactate	12	suppressed
Ciclopirox	Ciclopirox	12	suppressed
Felodipine Er	Felodipine	12	suppressed
Lexapro	Escitalopram Oxalate	12	suppressed
Novolin 70-30	Insulin Nph Hum/Reg Insulin Hm	12	suppressed
Progesterone	Progesterone, Micronized	12	suppressed
Ranolazine Er	Ranolazine	12	suppressed
Repatha Sureclick	Evolocumab	12	suppressed
Rexulti	Brexpiprazole	12	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	12	suppressed
Terbinafine Hcl	Terbinafine Hcl	12	suppressed
Torsemide	Torsemide	12	suppressed
Ulticare Pen Needle	Pen Needle, Diabetic	12	suppressed
Verapamil Hcl	Verapamil Hcl	12	suppressed
Abacavir	Abacavir Sulfate	11	suppressed
Bicalutamide	Bicalutamide	11	suppressed
Biktarvy	Bictegrav/Emtricit/Tenofov Ala	11	suppressed
Insulin Lispro	Insulin Lispro	11	suppressed
Levalbuterol Tartrate Hfa	Levalbuterol Tartrate	11	suppressed
Lidocaine Hcl	Lidocaine Hcl	11	suppressed
Prednisolone Acetate	Prednisolone Acetate	11	suppressed
Rasagiline Mesylate	Rasagiline Mesylate	11	suppressed
Tolterodine Tartrate	Tolterodine Tartrate	11	suppressed
Valproic Acid	Valproic Acid	11	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	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