Healthcare provider profile · identity verified

Gustavo E. Estrella, MD

Family Practice · DOWNEY, CA · NPI 1538208236

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	974	388
Amlodipine Besylate	Amlodipine Besylate	777	286
Metformin Hcl	Metformin Hcl	606	227
Losartan Potassium	Losartan Potassium	515	195
Omeprazole	Omeprazole	396	144
Lisinopril	Lisinopril	345	130
Tamsulosin Hcl	Tamsulosin Hcl	344	142
Gabapentin	Gabapentin	331	146
Levothyroxine Sodium	Levothyroxine Sodium	294	105
Metoprolol Succinate	Metoprolol Succinate	230	84
Famotidine	Famotidine	210	83
Benazepril Hcl	Benazepril Hcl	197	64
Hydrochlorothiazide	Hydrochlorothiazide	197	83
Simvastatin	Simvastatin	185	66
Fluticasone Propionate	Fluticasone Propionate	183	74
Alendronate Sodium	Alendronate Sodium	175	58
Furosemide	Furosemide	155	66
Pantoprazole Sodium	Pantoprazole Sodium	155	61
Pioglitazone Hcl	Pioglitazone Hcl	155	67
Finasteride	Finasteride	154	62
Ibuprofen	Ibuprofen	153	57
Rosuvastatin Calcium	Rosuvastatin Calcium	153	73
Diclofenac Sodium	Diclofenac Sodium	148	57
Naproxen	Naproxen	148	59
Tramadol Hcl	Tramadol Hcl	141	43
Hydralazine Hcl	Hydralazine Hcl	129	43
Januvia	Sitagliptin Phosphate	122	45
Glipizide	Glipizide	110	41
Carvedilol	Carvedilol	107	43
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	107	32
Meloxicam	Meloxicam	107	34
Albuterol Sulfate Hfa	Albuterol Sulfate	105	57
Ezetimibe	Ezetimibe	103	32
Hydroxyzine Hcl	Hydroxyzine Hcl	100	40
Pravastatin Sodium	Pravastatin Sodium	90	35
Trazodone Hcl	Trazodone Hcl	87	35
Atenolol	Atenolol	86	30
Lovastatin	Lovastatin	86	34
Montelukast Sodium	Montelukast Sodium	86	31
Glimepiride	Glimepiride	85	33
Eliquis	Apixaban	79	26
Metoprolol Tartrate	Metoprolol Tartrate	76	29
Baclofen	Baclofen	73	20
Clopidogrel	Clopidogrel Bisulfate	73	27
Lorazepam	Lorazepam	71	16
Duloxetine Hcl	Duloxetine Hcl	70	23
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	69	21
Chlorthalidone	Chlorthalidone	67	22
Mirtazapine	Mirtazapine	65	27
Alprazolam	Alprazolam	63	12
Glipizide Er	Glipizide	61	22
Sertraline Hcl	Sertraline Hcl	60	20
Escitalopram Oxalate	Escitalopram Oxalate	58	21
Jardiance	Empagliflozin	55	22
Clotrimazole-Betamethasone	Clotrimazole/Betamethasone Dip	54	37
Memantine Hcl	Memantine Hcl	54	22
Nifedipine Er	Nifedipine	54	18
Triamcinolone Acetonide	Triamcinolone Acetonide	54	28
Metformin Hcl Er	Metformin Hcl	53	20
Donepezil Hcl	Donepezil Hcl	51	27
Ozempic	Semaglutide	51	16
Paroxetine Hcl	Paroxetine Hcl	50	18
Clonazepam	Clonazepam	49	12
Oxybutynin Chloride Er	Oxybutynin Chloride	49	19
Valsartan	Valsartan	47	12
Meclizine Hcl	Meclizine Hcl	43	24
Clotrimazole	Clotrimazole	42	25
Azithromycin	Azithromycin	41	40
Sildenafil Citrate	Sildenafil Citrate	41	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	40	14
Nano 2nd Gen Pen Needle	Pen Needle, Diabetic	40	22
Olmesartan Medoxomil	Olmesartan Medoxomil	38	12
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	37	13
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	37	13
Temazepam	Temazepam	35	suppressed
Terazosin Hcl	Terazosin Hcl	35	15
Enalapril Maleate	Enalapril Maleate	34	12
Xarelto	Rivaroxaban	34	suppressed
Ropinirole Hcl	Ropinirole Hcl	33	11
Spironolactone	Spironolactone	33	suppressed
Allopurinol	Allopurinol	32	15
Clonidine Hcl	Clonidine Hcl	32	suppressed
Trulicity	Dulaglutide	31	suppressed
Basaglar Kwikpen U-100	Insulin Glargine,hum.Rec.Anlog	30	suppressed
Doxycycline Hyclate	Doxycycline Hyclate	30	21
Hydrocortisone	Hydrocortisone	29	15
Isosorbide Mononitrate Er	Isosorbide Mononitrate	28	suppressed
Ondansetron Hcl	Ondansetron Hcl	28	12
Potassium Chloride	Potassium Chloride	28	14
Prednisone	Prednisone	28	27
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	26	21
Entresto	Sacubitril/Valsartan	25	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	25	suppressed
Fenofibrate	Fenofibrate	24	suppressed
Janumet	Sitagliptin Phos/Metformin Hcl	24	suppressed
Levetiracetam	Levetiracetam	24	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	23	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	23	21
Fenofibrate	Fenofibrate,micronized	22	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	22	suppressed
Amiodarone Hcl	Amiodarone Hcl	21	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	20	suppressed
Toujeo Solostar	Insulin Glargine,hum.Rec.Anlog	20	suppressed
Tradjenta	Linagliptin	20	suppressed
Isosorbide Dinitrate	Isosorbide Dinitrate	19	suppressed
Oxybutynin Chloride	Oxybutynin Chloride	19	suppressed
Pregabalin	Pregabalin	19	suppressed
Ketoconazole	Ketoconazole	18	12
Metoclopramide Hcl	Metoclopramide Hcl	18	suppressed
Risperidone	Risperidone	18	suppressed
Vitamin D2	Ergocalciferol (Vitamin D2)	18	suppressed
Azelastine Hcl	Azelastine Hcl	17	suppressed
Bisoprolol Fumarate	Bisoprolol Fumarate	17	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	17	16
Dicyclomine Hcl	Dicyclomine Hcl	17	12
Felodipine Er	Felodipine	17	suppressed
Quetiapine Fumarate	Quetiapine Fumarate	17	suppressed
Betamethasone Dipropionate	Betamethasone Dipropionate	16	suppressed
Cephalexin	Cephalexin	16	15
Midodrine Hcl	Midodrine Hcl	16	suppressed
Myrbetriq	Mirabegron	16	suppressed
Nitrofurantoin Mono-Macro	Nitrofurantoin Monohyd/M-Cryst	16	15
Nitroglycerin	Nitroglycerin	16	suppressed
Victoza 3-Pak	Liraglutide	16	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	16	suppressed
Droplet Pen Needle	Pen Needle, Diabetic	15	suppressed
Lactulose	Lactulose	15	suppressed
Ondansetron Odt	Ondansetron	15	suppressed
Fluocinonide	Fluocinonide	14	suppressed
Humulin 70-30	Insulin Nph Hum/Reg Insulin Hm	14	suppressed
Celecoxib	Celecoxib	13	suppressed
Citalopram Hbr	Citalopram Hydrobromide	13	suppressed
Farxiga	Dapagliflozin Propanediol	13	suppressed
Topiramate	Topiramate	13	suppressed
Amoxicillin	Amoxicillin	12	suppressed
Breo Ellipta	Fluticasone/Vilanterol	12	suppressed
Brilinta	Ticagrelor	12	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	12	suppressed
Megestrol Acetate	Megestrol Acetate	12	suppressed
Anastrozole	Anastrozole	11	suppressed
Anoro Ellipta	Umeclidinium Brm/Vilanterol Tr	11	suppressed
Buspirone Hcl	Buspirone Hcl	11	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	11	suppressed
Ciclopirox	Ciclopirox	11	suppressed
Humulin 70/30 Kwikpen	Insulin Nph Hum/Reg Insulin Hm	11	suppressed
Ofloxacin	Ofloxacin	11	suppressed
Pulmicort Flexhaler	Budesonide	11	suppressed
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	11	suppressed
Valacyclovir	Valacyclovir 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