Healthcare provider profile · identity verified

Michael D. Haga, M.D.

Family Practice · WOODLAND HILLS, CA · NPI 1194747824

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 Sodium443104
Divalproex SodiumDivalproex Sodium24760
Atorvastatin CalciumAtorvastatin Calcium20950
Losartan PotassiumLosartan Potassium19047
Quetiapine FumarateQuetiapine Fumarate18049
Amlodipine BesylateAmlodipine Besylate17950
Trazodone HclTrazodone Hcl17146
LisinoprilLisinopril12526
Donepezil HclDonepezil Hcl12432
FurosemideFurosemide12244
Pantoprazole SodiumPantoprazole Sodium12035
Tamsulosin HclTamsulosin Hcl11835
Escitalopram OxalateEscitalopram Oxalate11229
Potassium ChloridePotassium Chloride11232
EliquisApixaban11127
GabapentinGabapentin10532
Metoprolol TartrateMetoprolol Tartrate9223
Metoprolol SuccinateMetoprolol Succinate8223
MirtazapineMirtazapine8219
OmeprazoleOmeprazole7721
Memantine HclMemantine Hcl7625
Midodrine HclMidodrine Hcl7514
LorazepamLorazepam7427
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst7452
XareltoRivaroxaban7418
FamotidineFamotidine6718
Ondansetron HclOndansetron Hcl6724
Rosuvastatin CalciumRosuvastatin Calcium6718
SimvastatinSimvastatin6711
Metformin HclMetformin Hcl6619
ClopidogrelClopidogrel Bisulfate6115
FinasterideFinasteride5718
NystatinNystatin5727
TemazepamTemazepam5614
Sertraline HclSertraline Hcl5412
MeloxicamMeloxicam5313
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen5116
Alendronate SodiumAlendronate Sodium50suppressed
AtenololAtenolol5011
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav4735
RisperidoneRisperidone4512
AlprazolamAlprazolam4413
Carbidopa-LevodopaCarbidopa/Levodopa4413
Duloxetine HclDuloxetine Hcl44suppressed
AllopurinolAllopurinol40suppressed
Bupropion XlBupropion Hcl39suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl33suppressed
Venlafaxine HclVenlafaxine Hcl32suppressed
CelecoxibCelecoxib3111
Amiodarone HclAmiodarone Hcl30suppressed
Tramadol HclTramadol Hcl3014
MyrbetriqMirabegron29suppressed
ValsartanValsartan29suppressed
DigoxinDigoxin28suppressed
AzithromycinAzithromycin2723
JanuviaSitagliptin Phosphate27suppressed
PregabalinPregabalin27suppressed
CarvedilolCarvedilol26suppressed
EstradiolEstradiol25suppressed
NitrofurantoinNitrofurantoin Macrocrystal25suppressed
LatanoprostLatanoprost24suppressed
LevetiracetamLevetiracetam24suppressed
Memantine Hcl ErMemantine Hcl24suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide23suppressed
Paroxetine HclParoxetine Hcl23suppressed
PrednisonePrednisone2315
Ciprofloxacin HclCiprofloxacin Hcl2215
Pravastatin SodiumPravastatin Sodium22suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate21suppressed
ClonidineClonidine20suppressed
Methenamine HippurateMethenamine Hippurate20suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2013
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
Albuterol Sulfate HfaAlbuterol Sulfate1912
CeftriaxoneCeftriaxone Sodium19suppressed
Carbamazepine ErCarbamazepine18suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip1812
Folic AcidFolic Acid17suppressed
Zolpidem TartrateZolpidem Tartrate17suppressed
AcyclovirAcyclovir16suppressed
GemtesaVibegron16suppressed
HaloperidolHaloperidol16suppressed
Hydralazine HclHydralazine Hcl16suppressed
HydrochlorothiazideHydrochlorothiazide16suppressed
Citalopram HbrCitalopram Hydrobromide15suppressed
ClonazepamClonazepam15suppressed
SynthroidLevothyroxine Sodium15suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid15suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
GlipizideGlipizide14suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog14suppressed
Metoclopramide HclMetoclopramide Hcl14suppressed
Propranolol HclPropranolol Hcl14suppressed
SpironolactoneSpironolactone14suppressed
Fluticasone PropionateFluticasone Propionate13suppressed
LactuloseLactulose13suppressed
Montelukast SodiumMontelukast Sodium13suppressed
MupirocinMupirocin13suppressed
RivastigmineRivastigmine13suppressed
TestosteroneTestosterone13suppressed
Azelastine HclAzelastine Hcl12suppressed
CalcitriolCalcitriol12suppressed
Clonidine HclClonidine Hcl12suppressed
FentanylFentanyl12suppressed
Liothyronine SodiumLiothyronine Sodium12suppressed
Benztropine MesylateBenztropine Mesylate11suppressed
Buspirone HclBuspirone Hcl11suppressed
Carbidopa-Levodopa ErCarbidopa/Levodopa11suppressed
Dabigatran EtexilateDabigatran Etexilate Mesylate11suppressed
DutasterideDutasteride11suppressed
FluconazoleFluconazole11suppressed
MercaptopurineMercaptopurine11suppressed
Nifedipine ErNifedipine11suppressed
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen11suppressed

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