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Hazel Abaya

NPI 1780116186ActiveIndividual· Internal Medicine· Thousand Oaks, CA

Internal Medicine with Chest and Critical Care Consultants A Medical Group, practicing in Thousand Oaks, California. 431 Medicare patients in 2024, $176,422 paid; nearly all of their 277 Part D prescriptions were generic (90%). Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $60.00 in payments in 2025, mostly food and beverage. Lists Ahmc Anaheim Regional Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1780116186
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedApr 3, 2017
Last updated in NPPESMar 18, 2022
Certified by providerMar 18, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XA169439CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients431
Services billed1,840 across 15 procedure codes
Paid by Medicare$176,422

Part D prescriptions in 2024

Prescriptions (claims)277 · 288 30-day fills
Patients137
Total drug cost$17,465
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Graduation year2016
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$60.00 · 1 payment from 1 company
  • 2024$21.51 · 1 payment from 1 company

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$60.00 · 1 payment

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine providers in Thousand Oaks

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