Healthcare provider profile · identity verified

Ariel Casiano Sanchez, MD

Medical Genetics, Ph.D. Medical Genetics · GUAYANILLA, PR · NPI 1912976721

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
Metformin Hcl	Metformin Hcl	327	50
Famotidine	Famotidine	308	94
Simvastatin	Simvastatin	292	100
Atorvastatin Calcium	Atorvastatin Calcium	186	58
Omeprazole	Omeprazole	174	47
Enalapril Maleate	Enalapril Maleate	168	34
Azithromycin	Azithromycin	161	99
Gabapentin	Gabapentin	161	47
Glipizide	Glipizide	158	23
Glimepiride	Glimepiride	131	28
Amlodipine Besylate	Amlodipine Besylate	126	44
Tamsulosin Hcl	Tamsulosin Hcl	119	42
Pantoprazole Sodium	Pantoprazole Sodium	117	36
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	106	54
Clonazepam	Clonazepam	104	18
Lisinopril	Lisinopril	100	33
Meloxicam	Meloxicam	97	28
Metoprolol Succinate	Metoprolol Succinate	89	25
Alendronate Sodium	Alendronate Sodium	88	27
Levothyroxine Sodium	Levothyroxine Sodium	88	27
Temazepam	Temazepam	83	23
Albuterol Sulfate Hfa	Albuterol Sulfate	81	50
Furosemide	Furosemide	81	33
Losartan Potassium	Losartan Potassium	80	24
Meclizine Hcl	Meclizine Hcl	74	23
Ciprofloxacin Hcl	Ciprofloxacin Hcl	72	57
Hydrochlorothiazide	Hydrochlorothiazide	70	21
Pentoxifylline	Pentoxifylline	70	14
Synthroid	Levothyroxine Sodium	70	22
Lantus	Insulin Glargine,hum.Rec.Anlog	69	21
Zolpidem Tartrate	Zolpidem Tartrate	66	12
Montelukast Sodium	Montelukast Sodium	65	23
Diclofenac Potassium	Diclofenac Potassium	64	38
Carvedilol	Carvedilol	63	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	62	12
Alprazolam	Alprazolam	60	suppressed
Donepezil Hcl	Donepezil Hcl	59	21
Irbesartan	Irbesartan	55	15
Baclofen	Baclofen	54	14
Atenolol	Atenolol	53	14
Fenofibrate	Fenofibrate	53	16
Metoprolol Tartrate	Metoprolol Tartrate	53	13
Sulindac	Sulindac	50	29
Jentadueto	Linagliptin/Metformin Hcl	49	suppressed
Prednisone	Prednisone	47	29
Spironolactone	Spironolactone	46	13
Lansoprazole	Lansoprazole	45	suppressed
Nabumetone	Nabumetone	45	27
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	42	34
Dicyclomine Hcl	Dicyclomine Hcl	39	26
Tobramycin-Dexamethasone	Tobramycin/Dexamethasone	39	25
Finasteride	Finasteride	38	14
Clopidogrel	Clopidogrel Bisulfate	36	15
Easy Touch	Syringe-Needle,insulin,0.5 Ml	33	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	33	suppressed
Trueplus Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	33	suppressed
Desloratadine	Desloratadine	30	21
Farxiga	Dapagliflozin Propanediol	30	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	30	suppressed
Diclofenac Sodium Er	Diclofenac Sodium	29	19
Fluoxetine Hcl	Fluoxetine Hcl	29	suppressed
Theophylline Er	Theophylline Anhydrous	29	12
Levofloxacin	Levofloxacin	28	21
Doxazosin Mesylate	Doxazosin Mesylate	27	suppressed
Fluconazole	Fluconazole	27	23
Nifedipine Er	Nifedipine	27	suppressed
Ramipril	Ramipril	27	suppressed
Albuterol Sulfate	Albuterol Sulfate	26	18
Ampicillin Trihydrate	Ampicillin Trihydrate	25	15
Nitroglycerin	Nitroglycerin	25	suppressed
Tramadol Hcl	Tramadol Hcl	25	13
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	24	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	24	suppressed
Risperidone	Risperidone	24	suppressed
Chlorhexidine Gluconate	Chlorhexidine Gluconate	23	15
Clindamycin Hcl	Clindamycin Hcl	21	19
Metoclopramide Hcl	Metoclopramide Hcl	21	suppressed
Amitriptyline Hcl	Amitriptyline Hcl	20	suppressed
Easy Touch	Syring-Needl,disp,insul,0.3 Ml	20	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	20	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	19	11
Pregabalin	Pregabalin	19	suppressed
Fluticasone Propionate	Fluticasone Propionate	18	suppressed
Insulin Syringe	Syringe And Needle,insulin,1ml	18	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	18	suppressed
Moxifloxacin Hcl	Moxifloxacin Hcl	18	18
Prednisolone Acetate	Prednisolone Acetate	18	suppressed
Sure Comfort	Syringe-Needle,insulin,0.5 Ml	18	suppressed
Cilostazol	Cilostazol	17	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	17	suppressed
Dexamethasone	Dexamethasone	17	16
Indapamide	Indapamide	17	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	16	15
Cefadroxil	Cefadroxil	16	14
Fenofibrate	Fenofibrate,micronized	16	suppressed
Hydralazine Hcl	Hydralazine Hcl	16	suppressed
Latanoprost	Latanoprost	16	suppressed
Neomycin-Polymyxin-Hydrocort	Neomycin/Polymyxin B/Hydrocort	16	15
Ibuprofen	Ibuprofen	15	suppressed
Sure Comfort	Syring-Needl,disp,insul,0.3 Ml	15	suppressed
Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	14	suppressed
Naproxen Sodium	Naproxen Sodium	14	suppressed
Clarithromycin	Clarithromycin	13	13
Escitalopram Oxalate	Escitalopram Oxalate	13	suppressed
Flurbiprofen	Flurbiprofen	13	suppressed
Glipizide Er	Glipizide	13	suppressed
Mupirocin	Mupirocin	13	11
Quetiapine Fumarate	Quetiapine Fumarate	13	suppressed
Silver Sulfadiazine	Silver Sulfadiazine	13	12
Symbicort	Budesonide/Formoterol Fumarate	13	13
Digoxin	Digoxin	12	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	12	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	12	suppressed
Lorazepam	Lorazepam	12	suppressed
Methylprednisolone	Methylprednisolone	12	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	12	suppressed
Xarelto	Rivaroxaban	12	suppressed
Allopurinol	Allopurinol	11	suppressed
Diclofenac Sodium	Diclofenac Sodium	11	suppressed
Duloxetine Hcl	Duloxetine Hcl	11	suppressed
Estazolam	Estazolam	11	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	11	suppressed
Metronidazole	Metronidazole	11	suppressed
Rizatriptan	Rizatriptan Benzoate	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