Healthcare provider profile · identity verified

Echo Yusuu Chiu, M.D.

Family Practice · BAKERSFIELD, CA · NPI 1518098839

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 Calcium335138
Amlodipine BesylateAmlodipine Besylate22484
Levothyroxine SodiumLevothyroxine Sodium19769
AtenololAtenolol17364
Losartan PotassiumLosartan Potassium16868
LisinoprilLisinopril16463
SimvastatinSimvastatin12340
Albuterol Sulfate HfaAlbuterol Sulfate11757
IbuprofenIbuprofen10835
Alendronate SodiumAlendronate Sodium10439
Rosuvastatin CalciumRosuvastatin Calcium9940
OmeprazoleOmeprazole9846
Metformin HclMetformin Hcl9540
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide9238
Metformin Hcl ErMetformin Hcl9140
GlipizideGlipizide7829
LidocaineLidocaine7034
AlvescoCiclesonide6838
Tizanidine HclTizanidine Hcl6734
FurosemideFurosemide6629
HydrochlorothiazideHydrochlorothiazide6229
GabapentinGabapentin6027
Metoprolol TartrateMetoprolol Tartrate5725
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid5720
Trazodone HclTrazodone Hcl5022
Pantoprazole SodiumPantoprazole Sodium4714
Tramadol HclTramadol Hcl4612
Potassium ChloridePotassium Chloride4519
Escitalopram OxalateEscitalopram Oxalate4012
AlprazolamAlprazolam3912
Sertraline HclSertraline Hcl3813
JardianceEmpagliflozin3715
Fluoxetine HclFluoxetine Hcl3514
CarvedilolCarvedilol3314
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen3312
SpironolactoneSpironolactone3311
PradaxaDabigatran Etexilate Mesylate3012
Terazosin HclTerazosin Hcl3014
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf2828
Humulin N KwikpenInsulin Nph Human Isophane2612
PrednisonePrednisone2626
Wixela InhubFluticasone Propion/Salmeterol2614
MeloxicamMeloxicam2517
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml25suppressed
ClopidogrelClopidogrel Bisulfate24suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide24suppressed
Montelukast SodiumMontelukast Sodium24suppressed
AcyclovirAcyclovir23suppressed
Clobetasol PropionateClobetasol Propionate23suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic23suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2314
Fluticasone PropionateFluticasone Propionate21suppressed
Humulin NInsulin Nph Human Isophane21suppressed
KetoconazoleKetoconazole21suppressed
LevetiracetamLevetiracetam20suppressed
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf1919
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1919
Bisoprolol FumarateBisoprolol Fumarate19suppressed
Hydralazine HclHydralazine Hcl1911
LovastatinLovastatin19suppressed
NystatinNystatin1913
Pravastatin SodiumPravastatin Sodium19suppressed
DigoxinDigoxin18suppressed
ClonazepamClonazepam17suppressed
LactuloseLactulose17suppressed
Sumatriptan SuccinateSumatriptan Succinate17suppressed
Zolpidem TartrateZolpidem Tartrate17suppressed
EzetimibeEzetimibe16suppressed
Methadone HclMethadone Hcl16suppressed
MirtazapineMirtazapine16suppressed
Dicyclomine HclDicyclomine Hcl15suppressed
EstradiolEstradiol15suppressed
FamotidineFamotidine15suppressed
HydrocortisoneHydrocortisone15suppressed
Morphine Sulfate ErMorphine Sulfate15suppressed
XareltoRivaroxaban15suppressed
CephalexinCephalexin1414
Citalopram HbrCitalopram Hydrobromide14suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1413
Isosorbide Mononitrate ErIsosorbide Mononitrate14suppressed
MetronidazoleMetronidazole14suppressed
NitroglycerinNitroglycerin14suppressed
Veo Insulin SyringeSyringe And Needle,insulin,1ml14suppressed
Naratriptan HclNaratriptan Hcl13suppressed
TemazepamTemazepam13suppressed
CiclopiroxCiclopirox12suppressed
DiazepamDiazepam12suppressed
TopiramateTopiramate12suppressed
Amitriptyline HclAmitriptyline Hcl11suppressed
Bupropion Hcl SrBupropion Hcl11suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl11suppressed
Metoprolol SuccinateMetoprolol Succinate11suppressed
NaproxenNaproxen11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
Ondansetron OdtOndansetron11suppressed
Tramadol Hcl ErTramadol Hcl11suppressed
TriamtereneTriamterene11suppressed

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