Healthcare provider profile · identity verified

Joomo Yang, M.D.

Internal Medicine · CALABASAS, CA · NPI 1619954898

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
Levothyroxine SodiumLevothyroxine Sodium500106
Atorvastatin CalciumAtorvastatin Calcium42893
EliquisApixaban41384
Escitalopram OxalateEscitalopram Oxalate33563
Amlodipine BesylateAmlodipine Besylate25666
Tamsulosin HclTamsulosin Hcl24850
FurosemideFurosemide23857
Donepezil HclDonepezil Hcl22335
GabapentinGabapentin21549
Divalproex SodiumDivalproex Sodium20837
MirtazapineMirtazapine18238
Potassium ChloridePotassium Chloride18245
Trazodone HclTrazodone Hcl17138
Quetiapine FumarateQuetiapine Fumarate17039
Metoprolol TartrateMetoprolol Tartrate16134
LisinoprilLisinopril15832
Sertraline HclSertraline Hcl15827
Losartan PotassiumLosartan Potassium15638
Memantine HclMemantine Hcl15433
Rosuvastatin CalciumRosuvastatin Calcium12422
ClopidogrelClopidogrel Bisulfate11621
Pantoprazole SodiumPantoprazole Sodium11631
Duloxetine HclDuloxetine Hcl11418
SimvastatinSimvastatin11121
Metoprolol SuccinateMetoprolol Succinate11029
FinasterideFinasteride10719
XareltoRivaroxaban8816
AlprazolamAlprazolam8727
CarvedilolCarvedilol8524
MyrbetriqMirabegron8513
RisperidoneRisperidone8317
LorazepamLorazepam7825
FamotidineFamotidine7617
OmeprazoleOmeprazole7521
LatanoprostLatanoprost7321
Midodrine HclMidodrine Hcl7117
TemazepamTemazepam6916
DigoxinDigoxin6817
Tramadol HclTramadol Hcl6824
ClonazepamClonazepam65suppressed
SpironolactoneSpironolactone6513
Montelukast SodiumMontelukast Sodium6413
Metformin HclMetformin Hcl5617
LevetiracetamLevetiracetam5312
Diltiazem 24hr Er (Cd)Diltiazem Hcl5213
Fluticasone PropionateFluticasone Propionate5115
Citalopram HbrCitalopram Hydrobromide5012
Alendronate SodiumAlendronate Sodium47suppressed
Hydralazine HclHydralazine Hcl4712
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen4720
BumetanideBumetanide4615
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst4540
CelecoxibCelecoxib44suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip4320
Carbidopa-LevodopaCarbidopa/Levodopa4113
EzetimibeEzetimibe39suppressed
Amiodarone HclAmiodarone Hcl38suppressed
Methenamine HippurateMethenamine Hippurate38suppressed
AllopurinolAllopurinol37suppressed
NystatinNystatin3716
EstradiolEstradiol35suppressed
LinzessLinaclotide35suppressed
Fluoxetine HclFluoxetine Hcl34suppressed
LovastatinLovastatin33suppressed
SynthroidLevothyroxine Sodium3311
Zolpidem TartrateZolpidem Tartrate33suppressed
Doxazosin MesylateDoxazosin Mesylate32suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim3226
Ciprofloxacin HclCiprofloxacin Hcl3026
HydrochlorothiazideHydrochlorothiazide30suppressed
Bupropion XlBupropion Hcl29suppressed
EntrestoSacubitril/Valsartan29suppressed
Warfarin SodiumWarfarin Sodium29suppressed
Clonidine HclClonidine Hcl28suppressed
CreonLipase/Protease/Amylase28suppressed
RivastigmineRivastigmine28suppressed
Venlafaxine Hcl ErVenlafaxine Hcl28suppressed
BaclofenBaclofen27suppressed
Flecainide AcetateFlecainide Acetate27suppressed
LactuloseLactulose27suppressed
Buspirone HclBuspirone Hcl26suppressed
PrednisonePrednisone2611
Albuterol Sulfate HfaAlbuterol Sulfate2514
Benazepril HclBenazepril Hcl24suppressed
Esomeprazole MagnesiumEsomeprazole Magnesium24suppressed
NitrofurantoinNitrofurantoin Macrocrystal24suppressed
Olmesartan MedoxomilOlmesartan Medoxomil24suppressed
Pravastatin SodiumPravastatin Sodium23suppressed
Divalproex Sodium ErDivalproex Sodium22suppressed
Hydroxyzine HclHydroxyzine Hcl22suppressed
Liothyronine SodiumLiothyronine Sodium22suppressed
MeloxicamMeloxicam22suppressed
AzithromycinAzithromycin2119
Dorzolamide-TimololDorzolamide Hcl/Timolol Maleat21suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog21suppressed
Timolol MaleateTimolol Maleate21suppressed
AtenololAtenolol20suppressed
Diltiazem 24hr ErDiltiazem Hcl20suppressed
FebuxostatFebuxostat20suppressed
HydroxyureaHydroxyurea20suppressed
LevofloxacinLevofloxacin2018
Ondansetron OdtOndansetron2018
CephalexinCephalexin1914
Diphenoxylate-AtropineDiphenoxylate Hcl/Atropine19suppressed
LacosamideLacosamide19suppressed
Solifenacin SuccinateSolifenacin Succinate19suppressed
Tolterodine Tartrate ErTolterodine Tartrate19suppressed
Triamcinolone AcetonideTriamcinolone Acetonide19suppressed
AripiprazoleAripiprazole18suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol18suppressed
IrbesartanIrbesartan18suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate18suppressed
LumiganBimatoprost18suppressed
Metformin Hcl ErMetformin Hcl18suppressed
MethimazoleMethimazole18suppressed
MetolazoneMetolazone18suppressed
OzempicSemaglutide18suppressed
ValsartanValsartan18suppressed
CholestyramineCholestyramine (With Sugar)17suppressed
Ezetimibe-SimvastatinEzetimibe/Simvastatin17suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide17suppressed
Methylphenidate HclMethylphenidate Hcl17suppressed
PregabalinPregabalin17suppressed
AcyclovirAcyclovir16suppressed
Diclofenac SodiumDiclofenac Sodium16suppressed
FarxigaDapagliflozin Propanediol15suppressed
LamotrigineLamotrigine15suppressed
Ondansetron HclOndansetron Hcl15suppressed
Prednisolone AcetatePrednisolone Acetate15suppressed
TrulicityDulaglutide15suppressed
BelsomraSuvorexant14suppressed
ChlorthalidoneChlorthalidone14suppressed
FenofibrateFenofibrate Nanocrystallized14suppressed
FentanylFentanyl14suppressed
Fludrocortisone AcetateFludrocortisone Acetate14suppressed
Folic AcidFolic Acid14suppressed
GlycopyrrolateGlycopyrrolate14suppressed
Memantine Hcl ErMemantine Hcl14suppressed
MethylprednisoloneMethylprednisolone1413
Propranolol Hcl ErPropranolol Hcl14suppressed
SucralfateSucralfate14suppressed
TelmisartanTelmisartan14suppressed
Ventolin HfaAlbuterol Sulfate14suppressed
Azelastine HclAzelastine Hcl13suppressed
CefdinirCefdinir1312
ClotrimazoleClotrimazole13suppressed
DutasterideDutasteride13suppressed
ErythromycinErythromycin Base13suppressed
LansoprazoleLansoprazole13suppressed
MethotrexateMethotrexate Sodium13suppressed
Nebivolol HclNebivolol Hcl13suppressed
SymbicortBudesonide/Formoterol Fumarate13suppressed
Chlorhexidine GluconateChlorhexidine Gluconate12suppressed
Dicyclomine HclDicyclomine Hcl12suppressed
Lamotrigine ErLamotrigine12suppressed
Olmesartan-Amlodipine-HctzOlmesartan/Amlodipin/Hcthiazid12suppressed
TopiramateTopiramate12suppressed
EplerenoneEplerenone11suppressed
FenofibrateFenofibrate11suppressed
Hydromorphone HclHydromorphone Hcl11suppressed
Levocetirizine DihydrochlorideLevocetirizine Dihydrochloride11suppressed
OlanzapineOlanzapine11suppressed
Oxybutynin ChlorideOxybutynin Chloride11suppressed
Oxycodone HclOxycodone Hcl11suppressed
Paroxetine HclParoxetine Hcl11suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl11suppressed
RamiprilRamipril11suppressed
RhopressaNetarsudil Mesylate11suppressed

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