Healthcare provider profile · identity verified

Chad Michael Abbott, MD

Family Practice · ALISO VIEJO, CA · NPI 1285831602

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 Calcium474160
Rosuvastatin CalciumRosuvastatin Calcium26590
LisinoprilLisinopril24880
Levothyroxine SodiumLevothyroxine Sodium24580
Amlodipine BesylateAmlodipine Besylate23878
Losartan PotassiumLosartan Potassium18058
HydrochlorothiazideHydrochlorothiazide14551
Tamsulosin HclTamsulosin Hcl13446
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen13128
Trazodone HclTrazodone Hcl10137
Alendronate SodiumAlendronate Sodium10026
Pantoprazole SodiumPantoprazole Sodium9738
SimvastatinSimvastatin9228
Albuterol Sulfate HfaAlbuterol Sulfate9133
Metformin Hcl ErMetformin Hcl8834
OmeprazoleOmeprazole8834
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide8729
Metoprolol TartrateMetoprolol Tartrate8628
Metformin HclMetformin Hcl8528
AtenololAtenolol8025
Fluoxetine HclFluoxetine Hcl7926
PradaxaDabigatran Etexilate Mesylate7426
Potassium ChloridePotassium Chloride7119
JardianceEmpagliflozin6925
FurosemideFurosemide6718
GlipizideGlipizide6623
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen66suppressed
AllopurinolAllopurinol6019
MeloxicamMeloxicam5924
GabapentinGabapentin5724
FinasterideFinasteride5216
LorazepamLorazepam51suppressed
TestosteroneTestosterone45suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide4414
PrednisonePrednisone4136
Triamcinolone AcetonideTriamcinolone Acetonide4128
ClopidogrelClopidogrel Bisulfate4014
Tramadol HclTramadol Hcl40suppressed
Sertraline HclSertraline Hcl3914
Donepezil HclDonepezil Hcl38suppressed
CephalexinCephalexin3626
Glipizide ErGlipizide3512
Terazosin HclTerazosin Hcl3513
Metoprolol SuccinateMetoprolol Succinate3213
Ondansetron HclOndansetron Hcl32suppressed
MetronidazoleMetronidazole31suppressed
Benazepril HclBenazepril Hcl30suppressed
Morphine Sulfate ErMorphine Sulfate30suppressed
Sumatriptan SuccinateSumatriptan Succinate29suppressed
AcyclovirAcyclovir26suppressed
AzithromycinAzithromycin2622
EliquisApixaban24suppressed
LactuloseLactulose24suppressed
Duloxetine HclDuloxetine Hcl23suppressed
Oxycodone HclOxycodone Hcl23suppressed
EzetimibeEzetimibe22suppressed
Gavilyte-CPeg3350/Sod Sulf,bicarb,cl/Kcl2222
Pioglitazone HclPioglitazone Hcl22suppressed
Pravastatin SodiumPravastatin Sodium22suppressed
AlprazolamAlprazolam21suppressed
MupirocinMupirocin2112
ValacyclovirValacyclovir Hcl21suppressed
Venlafaxine Hcl ErVenlafaxine Hcl20suppressed
Doxycycline MonohydrateDoxycycline Monohydrate1917
Wixela InhubFluticasone Propion/Salmeterol19suppressed
Bupropion XlBupropion Hcl18suppressed
Citalopram HbrCitalopram Hydrobromide18suppressed
MirtazapineMirtazapine18suppressed
Pramipexole DihydrochloridePramipexole Di-Hcl18suppressed
Escitalopram OxalateEscitalopram Oxalate17suppressed
EstradiolEstradiol17suppressed
HydrocortisoneHydrocortisone17suppressed
Memantine HclMemantine Hcl17suppressed
Azelastine HclAzelastine Hcl16suppressed
Clobetasol PropionateClobetasol Propionate16suppressed
PregabalinPregabalin16suppressed
AbrysvoRsv Vacc, Pref A And Pref B/Pf1515
Adacel TdapDiph,pertuss(Acell),tet Vac/Pf1515
AmoxicillinAmoxicillin15suppressed
Montelukast SodiumMontelukast Sodium15suppressed
SpironolactoneSpironolactone15suppressed
Zolpidem TartrateZolpidem Tartrate15suppressed
CarvedilolCarvedilol14suppressed
KetoconazoleKetoconazole14suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst1411
Atenolol-ChlorthalidoneAtenolol/Chlorthalidone13suppressed
Isosorbide Mononitrate ErIsosorbide Mononitrate13suppressed
NystatinNystatin13suppressed
Quetiapine FumarateQuetiapine Fumarate13suppressed
Terbinafine HclTerbinafine Hcl13suppressed
Lidocaine-PrilocaineLidocaine/Prilocaine12suppressed
NitroglycerinNitroglycerin12suppressed
Propranolol HclPropranolol Hcl12suppressed
TemazepamTemazepam12suppressed
Bisoprolol FumarateBisoprolol Fumarate11suppressed
Ciprofloxacin HclCiprofloxacin Hcl11suppressed
FenofibrateFenofibrate11suppressed
LovastatinLovastatin11suppressed
Nortriptyline HclNortriptyline Hcl11suppressed
Retin-ATretinoin11suppressed
TadalafilTadalafil11suppressed

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