Healthcare provider profile · identity verified

Silvia Herrera, FNP

Nurse Practitioner · BLYTHE, CA · NPI 1447673967

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

BrandGenericClaimsBeneficiaries
Atorvastatin CalciumAtorvastatin Calcium20660
Metformin HclMetformin Hcl12942
Amlodipine BesylateAmlodipine Besylate9833
GabapentinGabapentin9421
Levothyroxine SodiumLevothyroxine Sodium8725
OmeprazoleOmeprazole8623
Pantoprazole SodiumPantoprazole Sodium8429
JanuviaSitagliptin Phosphate8015
LisinoprilLisinopril8026
GlipizideGlipizide7618
Rosuvastatin CalciumRosuvastatin Calcium7620
Potassium ChloridePotassium Chloride7421
Tamsulosin HclTamsulosin Hcl7224
Montelukast SodiumMontelukast Sodium6824
TrulicityDulaglutide6511
Alendronate SodiumAlendronate Sodium6421
HydrochlorothiazideHydrochlorothiazide5915
Fluticasone PropionateFluticasone Propionate5530
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen55suppressed
JardianceEmpagliflozin52suppressed
Losartan PotassiumLosartan Potassium5217
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen48suppressed
IbuprofenIbuprofen4517
TelmisartanTelmisartan4419
Tramadol HclTramadol Hcl44suppressed
ValsartanValsartan4414
FarxigaDapagliflozin Propanediol4314
Lantus SolostarInsulin Glargine,hum.Rec.Anlog4311
Zolpidem TartrateZolpidem Tartrate43suppressed
Metoprolol SuccinateMetoprolol Succinate4014
Oxycodone HclOxycodone Hcl39suppressed
Albuterol Sulfate HfaAlbuterol Sulfate3714
FurosemideFurosemide3712
Meclizine HclMeclizine Hcl3714
Tizanidine HclTizanidine Hcl3519
Ventolin HfaAlbuterol Sulfate35suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium33suppressed
AzithromycinAzithromycin3225
Buspirone HclBuspirone Hcl32suppressed
Enalapril MaleateEnalapril Maleate32suppressed
LactuloseLactulose29suppressed
OzempicSemaglutide29suppressed
ClopidogrelClopidogrel Bisulfate27suppressed
Metoprolol TartrateMetoprolol Tartrate27suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2715
AllopurinolAllopurinol25suppressed
Ciprofloxacin HclCiprofloxacin Hcl2420
Duloxetine HclDuloxetine Hcl24suppressed
CarvedilolCarvedilol22suppressed
DexamethasoneDexamethasone2114
MethylprednisoloneMethylprednisolone2114
Novolog FlexpenInsulin Aspart21suppressed
ClonazepamClonazepam20suppressed
FamotidineFamotidine19suppressed
LatanoprostLatanoprost19suppressed
SimvastatinSimvastatin19suppressed
AlprazolamAlprazolam18suppressed
Benazepril HclBenazepril Hcl18suppressed
Donepezil HclDonepezil Hcl18suppressed
EliquisApixaban18suppressed
LevofloxacinLevofloxacin1812
Clonidine HclClonidine Hcl17suppressed
EstradiolEstradiol16suppressed
EntrestoSacubitril/Valsartan15suppressed
Escitalopram OxalateEscitalopram Oxalate15suppressed
Hydroxyzine HclHydroxyzine Hcl15suppressed
Nifedipine ErNifedipine15suppressed
SucralfateSucralfate15suppressed
MeloxicamMeloxicam14suppressed
Olmesartan MedoxomilOlmesartan Medoxomil14suppressed
Ondansetron HclOndansetron Hcl14suppressed
RybelsusSemaglutide14suppressed
SsdSilver Sulfadiazine14suppressed
Trazodone HclTrazodone Hcl14suppressed
Diclofenac SodiumDiclofenac Sodium13suppressed
CarbamazepineCarbamazepine12suppressed
GlimepirideGlimepiride12suppressed
RamiprilRamipril12suppressed
SpironolactoneSpironolactone12suppressed
TrintellixVortioxetine Hydrobromide12suppressed
Valsartan-HydrochlorothiazideValsartan/Hydrochlorothiazide12suppressed
Vitamin D2Ergocalciferol (Vitamin D2)12suppressed
Breo ElliptaFluticasone/Vilanterol11suppressed
DutasterideDutasteride11suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol11suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate11suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst11suppressed
Prednisolone AcetatePrednisolone Acetate11suppressed

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.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
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