Healthcare provider profile · identity verified

Louisa Hanna Ramirez, MD

Family Practice · RANCHO CUCAMONGA, CA · NPI 1780901413

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 Calcium289144
Amlodipine BesylateAmlodipine Besylate20899
Levothyroxine SodiumLevothyroxine Sodium16274
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen15650
Losartan PotassiumLosartan Potassium14067
LisinoprilLisinopril13873
Rosuvastatin CalciumRosuvastatin Calcium12362
OmeprazoleOmeprazole11363
Metformin HclMetformin Hcl10048
GlipizideGlipizide9251
Alendronate SodiumAlendronate Sodium8435
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8444
SimvastatinSimvastatin8345
Albuterol Sulfate HfaAlbuterol Sulfate7655
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide7529
Trazodone HclTrazodone Hcl7332
Potassium ChloridePotassium Chloride6945
GabapentinGabapentin6739
AtenololAtenolol6336
Metformin Hcl ErMetformin Hcl6331
Bisoprolol FumarateBisoprolol Fumarate6128
IbuprofenIbuprofen6137
OzempicSemaglutide6120
HydrochlorothiazideHydrochlorothiazide6035
MeloxicamMeloxicam5738
FurosemideFurosemide5128
Metoprolol TartrateMetoprolol Tartrate4926
Pantoprazole SodiumPantoprazole Sodium4630
LorazepamLorazepam4215
FinasterideFinasteride4015
Tamsulosin HclTamsulosin Hcl3519
LovastatinLovastatin3413
PradaxaDabigatran Etexilate Mesylate3417
NaproxenNaproxen3312
Morphine Sulfate ErMorphine Sulfate32suppressed
FamotidineFamotidine3022
Nano 2nd Gen Pen NeedlePen Needle, Diabetic2912
PrednisonePrednisone2922
Humulin N KwikpenInsulin Nph Human Isophane28suppressed
Terazosin HclTerazosin Hcl26suppressed
Sertraline HclSertraline Hcl2414
AcyclovirAcyclovir2212
Buspirone HclBuspirone Hcl2211
Ondansetron OdtOndansetron2214
Humulin NInsulin Nph Human Isophane2113
Montelukast SodiumMontelukast Sodium2115
Triamcinolone AcetonideTriamcinolone Acetonide2115
Humulin 70/30 KwikpenInsulin Nph Hum/Reg Insulin Hm20suppressed
Terbinafine HclTerbinafine Hcl2012
Wixela InhubFluticasone Propion/Salmeterol2018
Hydralazine HclHydralazine Hcl19suppressed
SpironolactoneSpironolactone1912
EstradiolEstradiol1812
JardianceEmpagliflozin1811
MirtazapineMirtazapine18suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen18suppressed
Fluticasone PropionateFluticasone Propionate1612
HydrocortisoneHydrocortisone1613
AllopurinolAllopurinol15suppressed
AlvescoCiclesonide15suppressed
AmoxicillinAmoxicillin1514
EliquisApixaban14suppressed
Tramadol HclTramadol Hcl14suppressed
ColchicineColchicine13suppressed
Fluoxetine HclFluoxetine Hcl13suppressed
Pravastatin SodiumPravastatin Sodium13suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1212
Citalopram HbrCitalopram Hydrobromide12suppressed
ClopidogrelClopidogrel Bisulfate12suppressed
Duloxetine HclDuloxetine Hcl12suppressed
Venlafaxine Hcl ErVenlafaxine Hcl12suppressed
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1111
AlprazolamAlprazolam11suppressed
BreynaBudesonide/Formoterol Fumarate11suppressed
CarvedilolCarvedilol11suppressed
Clobetasol PropionateClobetasol Propionate11suppressed
Oxybutynin Chloride ErOxybutynin Chloride11suppressed

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