Healthcare provider profile · identity verified

Ferdinand Marin, MD

General Practice · SALINAS, PR · NPI 1881662310

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	509	153
Losartan Potassium	Losartan Potassium	248	81
Metformin Hcl	Metformin Hcl	218	64
Amlodipine Besylate	Amlodipine Besylate	191	61
Levothyroxine Sodium	Levothyroxine Sodium	186	60
Gabapentin	Gabapentin	159	39
Lisinopril	Lisinopril	140	39
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	135	41
Famotidine	Famotidine	129	28
Simvastatin	Simvastatin	118	35
Omeprazole	Omeprazole	105	22
Synthroid	Levothyroxine Sodium	100	21
Tamsulosin Hcl	Tamsulosin Hcl	96	25
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	84	12
Pantoprazole Sodium	Pantoprazole Sodium	77	14
Glipizide	Glipizide	75	19
Eliquis	Apixaban	74	suppressed
Furosemide	Furosemide	73	21
Clopidogrel	Clopidogrel Bisulfate	68	20
Metoprolol Succinate	Metoprolol Succinate	68	21
Irbesartan-Hydrochlorothiazide	Irbesartan/Hydrochlorothiazide	66	21
Alendronate Sodium	Alendronate Sodium	65	22
Pioglitazone Hcl	Pioglitazone Hcl	64	18
Farxiga	Dapagliflozin Propanediol	62	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	58	24
Carvedilol	Carvedilol	52	16
Doxazosin Mesylate	Doxazosin Mesylate	52	13
Hydrochlorothiazide	Hydrochlorothiazide	52	18
Donepezil Hcl	Donepezil Hcl	51	17
Irbesartan	Irbesartan	50	15
Fluticasone Propionate	Fluticasone Propionate	49	33
Levo-T	Levothyroxine Sodium	45	19
Baclofen	Baclofen	43	28
Allopurinol	Allopurinol	42	12
Sertraline Hcl	Sertraline Hcl	39	13
Glimepiride	Glimepiride	38	12
Insulin Syringe	Syringe And Needle,insulin,1ml	37	suppressed
Janumet Xr	Sitagliptin Phos/Metformin Hcl	35	suppressed
Naproxen	Naproxen	33	28
Latanoprost	Latanoprost	32	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	31	26
Fenofibrate	Fenofibrate	31	12
Trijardy Xr	Empaglifloz/Linaglip/Metformin	28	suppressed
Anastrozole	Anastrozole	27	suppressed
Humulin N	Insulin Nph Human Isophane	27	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	27	11
Amlodipine Besylate-Benazepril	Amlodipine Besylate/Benazepril	26	suppressed
Enalapril Maleate	Enalapril Maleate	26	suppressed
Clonidine Hcl	Clonidine Hcl	25	suppressed
Glipizide Er	Glipizide	25	suppressed
Xigduo Xr	Dapaglifloz Propaned/Metformin	25	suppressed
Hydralazine Hcl	Hydralazine Hcl	24	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	23	suppressed
Sure Comfort	Syringe-Needle,insulin,0.5 Ml	23	suppressed
Synjardy	Empagliflozin/Metformin Hcl	23	suppressed
Diclofenac Sodium	Diclofenac Sodium	21	12
Duloxetine Hcl	Duloxetine Hcl	20	suppressed
Pentoxifylline	Pentoxifylline	20	suppressed
Chlorthalidone	Chlorthalidone	19	suppressed
Jentadueto Xr	Linagliptin/Metformin Hcl	19	suppressed
Alogliptin-Metformin	Alogliptin Benz/Metformin Hcl	18	suppressed
Diclofenac Potassium	Diclofenac Potassium	18	15
Atenolol	Atenolol	17	suppressed
Levetiracetam	Levetiracetam	17	suppressed
Montelukast Sodium	Montelukast Sodium	17	suppressed
Nifedipine Er	Nifedipine	17	suppressed
Valsartan	Valsartan	17	suppressed
Galantamine Er	Galantamine Hbr	16	suppressed
Nabumetone	Nabumetone	16	suppressed
Sure Comfort	Syring-Needl,disp,insul,0.3 Ml	16	suppressed
Finasteride	Finasteride	14	suppressed
Timolol Maleate	Timolol Maleate	14	suppressed
Novolin 70-30	Insulin Nph Hum/Reg Insulin Hm	13	suppressed
Oxybutynin Chloride Er	Oxybutynin Chloride	13	suppressed
Albuterol Sulfate Hfa	Albuterol Sulfate	12	suppressed
Esomeprazole Magnesium	Esomeprazole Magnesium	12	suppressed
Lansoprazole	Lansoprazole	12	suppressed
Prednisone	Prednisone	12	suppressed
Tradjenta	Linagliptin	12	suppressed
Warfarin Sodium	Warfarin Sodium	12	suppressed
Metformin Hcl Er	Metformin Hcl	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