Healthcare provider profile · identity verified

Rafael A Machin

General Practice · AGUADA, PR · NPI 1649221607

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	1477	211
Levothyroxine Sodium	Levothyroxine Sodium	1383	193
Losartan Potassium	Losartan Potassium	1265	195
Famotidine	Famotidine	1243	208
Gabapentin	Gabapentin	1140	164
Quetiapine Fumarate	Quetiapine Fumarate	850	128
Metformin Hcl	Metformin Hcl	820	124
Donepezil Hcl	Donepezil Hcl	794	115
Amlodipine Besylate	Amlodipine Besylate	753	107
Simvastatin	Simvastatin	752	101
Glimepiride	Glimepiride	731	100
Pantoprazole Sodium	Pantoprazole Sodium	703	132
Metoprolol Succinate	Metoprolol Succinate	634	107
Lisinopril	Lisinopril	595	87
Tamsulosin Hcl	Tamsulosin Hcl	584	82
Trazodone Hcl	Trazodone Hcl	580	115
Furosemide	Furosemide	486	88
Memantine Hcl	Memantine Hcl	481	86
Rosuvastatin Calcium	Rosuvastatin Calcium	477	73
Clopidogrel	Clopidogrel Bisulfate	463	71
Sertraline Hcl	Sertraline Hcl	447	87
Montelukast Sodium	Montelukast Sodium	436	68
Silver Sulfadiazine	Silver Sulfadiazine	428	187
Omeprazole	Omeprazole	425	63
Carvedilol	Carvedilol	373	58
Meloxicam	Meloxicam	369	113
Citalopram Hbr	Citalopram Hydrobromide	366	57
Synthroid	Levothyroxine Sodium	358	54
Alendronate Sodium	Alendronate Sodium	353	50
Temazepam	Temazepam	312	58
Buspirone Hcl	Buspirone Hcl	297	47
Clonazepam	Clonazepam	296	59
Finasteride	Finasteride	283	39
Spironolactone	Spironolactone	277	54
Levofloxacin	Levofloxacin	255	184
Cilostazol	Cilostazol	254	50
Hydrochlorothiazide	Hydrochlorothiazide	243	38
Metoprolol Tartrate	Metoprolol Tartrate	218	32
Fenofibrate	Fenofibrate	215	34
Eliquis	Apixaban	214	38
Isosorbide Mononitrate Er	Isosorbide Mononitrate	196	29
Glipizide	Glipizide	193	26
Doxazosin Mesylate	Doxazosin Mesylate	190	34
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	177	144
Risperidone	Risperidone	164	35
Escitalopram Oxalate	Escitalopram Oxalate	162	33
Megestrol Acetate	Megestrol Acetate	162	25
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	161	24
Nabumetone	Nabumetone	159	58
Fluoxetine Hcl	Fluoxetine Hcl	152	26
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	149	86
Prednisone	Prednisone	149	96
Ciprofloxacin Hcl	Ciprofloxacin Hcl	147	120
Lantus	Insulin Glargine,hum.Rec.Anlog	146	32
Phenytoin Sodium Extended	Phenytoin Sodium Extended	145	18
Pentoxifylline	Pentoxifylline	144	24
Trijardy Xr	Empaglifloz/Linaglip/Metformin	132	21
Fenofibrate	Fenofibrate Nanocrystallized	131	20
Lorazepam	Lorazepam	131	24
Albuterol Sulfate Hfa	Albuterol Sulfate	129	25
Irbesartan	Irbesartan	127	24
Meclizine Hcl	Meclizine Hcl	124	21
Mirtazapine	Mirtazapine	124	23
Hydralazine Hcl	Hydralazine Hcl	119	20
Lactulose	Lactulose	118	30
Nifedipine Er	Nifedipine	115	17
Oxybutynin Chloride	Oxybutynin Chloride	111	19
Ezetimibe	Ezetimibe	110	17
Enalapril Maleate	Enalapril Maleate	109	19
Fluticasone Propionate	Fluticasone Propionate	109	27
Ketoconazole	Ketoconazole	109	71
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	109	18
Diclofenac Sodium	Diclofenac Sodium	107	36
Duloxetine Hcl	Duloxetine Hcl	107	16
Carbidopa-Levodopa	Carbidopa/Levodopa	106	19
Metoclopramide Hcl	Metoclopramide Hcl	104	26
Divalproex Sodium	Divalproex Sodium	101	16
Levetiracetam	Levetiracetam	101	16
Bumetanide	Bumetanide	96	17
Alprazolam	Alprazolam	95	20
Rivastigmine	Rivastigmine	95	21
Atenolol	Atenolol	94	13
Digoxin	Digoxin	94	13
Isosorbide Dinitrate	Isosorbide Dinitrate	91	13
Paroxetine Hcl	Paroxetine Hcl	91	13
Tobramycin-Dexamethasone	Tobramycin/Dexamethasone	90	70
Baclofen	Baclofen	89	20
Dexamethasone	Dexamethasone	84	48
Latanoprost	Latanoprost	84	19
Sulindac	Sulindac	80	24
Olanzapine	Olanzapine	77	17
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	77	20
Gemfibrozil	Gemfibrozil	76	suppressed
Sure Comfort	Syringe-Needle,insulin,0.5 Ml	76	18
Sure Comfort	Syringe And Needle,insulin,1ml	74	20
Galantamine Er	Galantamine Hbr	73	17
Vitamin D2	Ergocalciferol (Vitamin D2)	73	14
Fluconazole	Fluconazole	72	61
Pravastatin Sodium	Pravastatin Sodium	72	13
Tolterodine Tartrate Er	Tolterodine Tartrate	70	12
Farxiga	Dapagliflozin Propanediol	69	18
Aripiprazole	Aripiprazole	68	suppressed
Clindamycin Hcl	Clindamycin Hcl	63	53
Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	63	13
Sucralfate	Sucralfate	62	12
Folic Acid	Folic Acid	61	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	61	suppressed
Azithromycin	Azithromycin	60	57
Ibuprofen	Ibuprofen	60	13
Theophylline Er	Theophylline Anhydrous	60	17
Valsartan-Hydrochlorothiazide	Valsartan/Hydrochlorothiazide	59	suppressed
Naproxen	Naproxen	58	11
Zolpidem Tartrate	Zolpidem Tartrate	57	suppressed
Xarelto	Rivaroxaban	56	13
Amitriptyline Hcl	Amitriptyline Hcl	55	13
Oxybutynin Chloride Er	Oxybutynin Chloride	55	suppressed
Cyproheptadine Hcl	Cyproheptadine Hcl	53	21
Dicyclomine Hcl	Dicyclomine Hcl	53	24
Triamcinolone Acetonide	Triamcinolone Acetonide	53	35
Permethrin	Permethrin	52	37
Humalog	Insulin Lispro	51	16
Valsartan	Valsartan	50	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	48	21
Humulin N	Insulin Nph Human Isophane	48	suppressed
Galantamine Hbr	Galantamine Hbr	45	suppressed
Lansoprazole	Lansoprazole	45	suppressed
Propranolol Hcl	Propranolol Hcl	44	suppressed
Humulin R	Insulin Regular, Human	43	suppressed
Jardiance	Empagliflozin	43	suppressed
Ciclopirox	Ciclopirox	40	18
Diltiazem Hcl	Diltiazem Hcl	40	suppressed
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	40	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	40	39
Sure Comfort	Syring-Needl,disp,insul,0.3 Ml	39	suppressed
Carbamazepine Er	Carbamazepine	38	suppressed
Midodrine Hcl	Midodrine Hcl	38	suppressed
Candesartan Cilexetil	Candesartan Cilexetil	37	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	36	suppressed
Bupropion Hcl Sr	Bupropion Hcl	36	suppressed
Loperamide	Loperamide Hcl	36	14
Nitrofurantoin	Nitrofurantoin Macrocrystal	36	32
Hydroxyzine Pamoate	Hydroxyzine Pamoate	35	12
Methimazole	Methimazole	35	suppressed
Methotrexate	Methotrexate Sodium	35	suppressed
Nitroglycerin	Nitroglycerin	35	suppressed
Ssd	Silver Sulfadiazine	35	17
Betamethasone Dipropionate	Betamethasone Dipropionate	33	22
Ramipril	Ramipril	33	suppressed
Amiodarone Hcl	Amiodarone Hcl	32	suppressed
Clonidine Hcl	Clonidine Hcl	32	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	32	suppressed
Cholestyramine	Cholestyramine (With Sugar)	31	suppressed
Insulin Syringe	Syringe And Needle,insulin,1ml	30	suppressed
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	30	suppressed
Tizanidine Hcl	Tizanidine Hcl	30	suppressed
Tramadol Hcl	Tramadol Hcl	30	16
Phenobarbital	Phenobarbital	29	suppressed
Glipizide Er	Glipizide	28	suppressed
Phenytoin	Phenytoin	28	suppressed
Symbicort	Budesonide/Formoterol Fumarate	28	suppressed
Haloperidol	Haloperidol	27	suppressed
Januvia	Sitagliptin Phosphate	26	suppressed
Mupirocin	Mupirocin	25	19
Advocate Syringes	Syringe-Needle,insulin,0.5 Ml	24	suppressed
Ibandronate Sodium	Ibandronate Sodium	24	suppressed
Neomycin-Polymyxin-Hydrocort	Neomycin/Polymyxin B/Hydrocort	24	22
Pregabalin	Pregabalin	24	suppressed
Potassium Chloride	Potassium Chloride	23	suppressed
Calcitriol	Calcitriol	22	suppressed
Diclofenac Potassium	Diclofenac Potassium	22	suppressed
Doxepin Hcl	Doxepin Hcl	22	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	22	suppressed
Sulfasalazine	Sulfasalazine	22	suppressed
Estradiol	Estradiol	21	suppressed
Ivermectin	Ivermectin	21	18
Memantine Hcl Er	Memantine Hcl	21	suppressed
Mometasone Furoate	Mometasone Furoate	21	14
Insulin Lispro	Insulin Lispro	20	suppressed
Nitroglycerin Patch	Nitroglycerin	20	suppressed
Tolterodine Tartrate	Tolterodine Tartrate	20	suppressed
Carbamazepine	Carbamazepine	19	suppressed
Diltiazem 24hr Er	Diltiazem Hcl	19	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	19	suppressed
Metronidazole	Metronidazole	19	13
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	19	16
Primidone	Primidone	19	suppressed
Insulin Glargine	Insulin Glargine,hum.Rec.Anlog	18	suppressed
Ranolazine Er	Ranolazine	18	suppressed
Betamethasone Valerate	Betamethasone Valerate	17	17
Entresto	Sacubitril/Valsartan	17	suppressed
Terazosin Hcl	Terazosin Hcl	17	suppressed
Warfarin Sodium	Warfarin Sodium	17	suppressed
Lamotrigine	Lamotrigine	16	suppressed
Leflunomide	Leflunomide	16	suppressed
Lurasidone Hcl	Lurasidone Hcl	16	suppressed
Novolin R	Insulin Regular, Human	16	suppressed
Tradjenta	Linagliptin	16	suppressed
Allopurinol	Allopurinol	15	suppressed
Calcium Acetate	Calcium Acetate	15	suppressed
Chlorpromazine Hcl	Chlorpromazine Hcl	15	suppressed
Diclofenac Sodium Er	Diclofenac Sodium	15	suppressed
Etodolac	Etodolac	15	suppressed
Hydrocortisone	Hydrocortisone	15	suppressed
Hydroxychloroquine Sulfate	Hydroxychloroquine Sulfate	15	suppressed
Jentadueto	Linagliptin/Metformin Hcl	15	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	15	suppressed
Raloxifene Hcl	Raloxifene Hcl	15	suppressed
Ropinirole Hcl	Ropinirole Hcl	15	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	15	suppressed
Amantadine	Amantadine Hcl	14	suppressed
Lumigan	Bimatoprost	14	suppressed
Synjardy	Empagliflozin/Metformin Hcl	14	suppressed
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	13	suppressed
Anastrozole	Anastrozole	13	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	13	suppressed
Flecainide Acetate	Flecainide Acetate	13	suppressed
Glipizide Xl	Glipizide	13	suppressed
Insulin Syringe	Syring-Needl,disp,insul,0.3 Ml	13	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	13	suppressed
Synjardy Xr	Empagliflozin/Metformin Hcl	13	suppressed
Torsemide	Torsemide	13	suppressed
Benztropine Mesylate	Benztropine Mesylate	12	suppressed
Bupropion Hcl	Bupropion Hcl	12	suppressed
Fludrocortisone Acetate	Fludrocortisone Acetate	12	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	12	suppressed
Perphenazine	Perphenazine	12	suppressed
Prednisolone Acetate	Prednisolone Acetate	12	suppressed
Verapamil Er	Verapamil Hcl	12	suppressed
Albuterol Sulfate	Albuterol Sulfate	11	suppressed
Bisoprolol-Hydrochlorothiazide	Bisoprolol/Hydrochlorothiazide	11	suppressed
Clotrimazole	Clotrimazole	11	suppressed
Enulose	Lactulose	11	suppressed
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	11	suppressed
Lokelma	Sodium Zirconium Cyclosilicate	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