Healthcare provider profile · identity verified

Johnny Phu

Family Practice · SAN JOSE, CA · NPI 1437682531

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 Calcium455161
Amlodipine BesylateAmlodipine Besylate388149
Losartan PotassiumLosartan Potassium302118
Rosuvastatin CalciumRosuvastatin Calcium27295
Levothyroxine SodiumLevothyroxine Sodium22573
LisinoprilLisinopril19971
GabapentinGabapentin19579
FamotidineFamotidine13249
Albuterol Sulfate HfaAlbuterol Sulfate12670
Metformin Hcl ErMetformin Hcl11950
Terazosin HclTerazosin Hcl11542
Fluticasone PropionateFluticasone Propionate11140
Metoprolol TartrateMetoprolol Tartrate11140
SimvastatinSimvastatin10734
Metoprolol SuccinateMetoprolol Succinate10638
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10222
Tamsulosin HclTamsulosin Hcl9937
Montelukast SodiumMontelukast Sodium9739
Trazodone HclTrazodone Hcl9736
Alendronate SodiumAlendronate Sodium8435
FurosemideFurosemide8037
AlvescoCiclesonide7633
OmeprazoleOmeprazole7636
GlipizideGlipizide7429
BaclofenBaclofen7329
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide7125
AtenololAtenolol7028
MeloxicamMeloxicam7030
HydrochlorothiazideHydrochlorothiazide6827
Metformin HclMetformin Hcl6730
AllopurinolAllopurinol6623
IbuprofenIbuprofen6221
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide6123
Hydralazine HclHydralazine Hcl6024
FinasterideFinasteride5319
LovastatinLovastatin4817
Pantoprazole SodiumPantoprazole Sodium4621
PradaxaDabigatran Etexilate Mesylate4616
Triamcinolone AcetonideTriamcinolone Acetonide4428
Wixela InhubFluticasone Propion/Salmeterol4416
JardianceEmpagliflozin4321
LorazepamLorazepam4011
Azelastine HclAzelastine Hcl3916
HydrocortisoneHydrocortisone3919
Hydroxyzine HclHydroxyzine Hcl3714
Pravastatin SodiumPravastatin Sodium3516
Sertraline HclSertraline Hcl3512
Duloxetine HclDuloxetine Hcl3413
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav3332
Bisoprolol FumarateBisoprolol Fumarate3313
MupirocinMupirocin3325
Potassium ChloridePotassium Chloride3215
PrednisonePrednisone3226
CefadroxilCefadroxil3125
Chlorhexidine GluconateChlorhexidine Gluconate31suppressed
Betamethasone ValerateBetamethasone Valerate3015
Tizanidine HclTizanidine Hcl30suppressed
ColchicineColchicine28suppressed
FluocinonideFluocinonide2811
LactuloseLactulose2819
LidocaineLidocaine2813
MirtazapineMirtazapine2712
SpironolactoneSpironolactone2714
Citalopram HbrCitalopram Hydrobromide26suppressed
OzempicSemaglutide26suppressed
ClopidogrelClopidogrel Bisulfate2511
Paroxetine HclParoxetine Hcl25suppressed
Propranolol HclPropranolol Hcl2511
Spiriva RespimatTiotropium Bromide2515
ChlorthalidoneChlorthalidone2412
BreynaBudesonide/Formoterol Fumarate23suppressed
AcyclovirAcyclovir22suppressed
AzithromycinAzithromycin2222
Bupropion Hcl SrBupropion Hcl22suppressed
Ciprofloxacin HclCiprofloxacin Hcl2219
FenofibrateFenofibrate22suppressed
Acetaminophen-CodeineAcetaminophen With Codeine21suppressed
NitroglycerinNitroglycerin1911
Humulin NInsulin Nph Human Isophane18suppressed
Bupropion XlBupropion Hcl17suppressed
Fluoxetine HclFluoxetine Hcl17suppressed
SucralfateSucralfate17suppressed
AmoxicillinAmoxicillin1614
KetoconazoleKetoconazole16suppressed
MetronidazoleMetronidazole16suppressed
NaproxenNaproxen16suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim1615
Trospium ChlorideTrospium Chloride16suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac1515
Clindamycin HclClindamycin Hcl15suppressed
Insulin Glargine-YfgnInsulin Glargine-Yfgn15suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate15suppressed
NystatinNystatin15suppressed
Stiolto RespimatTiotropium Br/Olodaterol Hcl15suppressed
Cefpodoxime ProxetilCefpodoxime Proxetil1412
CarvedilolCarvedilol13suppressed
Donepezil HclDonepezil Hcl13suppressed
NabumetoneNabumetone13suppressed
Oxybutynin Chloride ErOxybutynin Chloride13suppressed
PregabalinPregabalin13suppressed
Glipizide ErGlipizide12suppressed
Humulin N KwikpenInsulin Nph Human Isophane12suppressed
Veo Insulin SyringeSyringe-Needle,insulin,0.5 Ml12suppressed
CephalexinCephalexin11suppressed
EliquisApixaban11suppressed

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