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Irene Ching, DO

NPI 1013411602ActiveIndividual· Internal Medicine· Sun City, CA

Internal Medicine (DO) in Sun City, California, trained at Touro Un College of Osteopathic Medicine, Vallejo (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $953,454 for 10,397 claims, against $75,826 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 10 companies reporting payments in 2025, $582.68 in all, mostly food and beverage.

Overview

NPI1013411602
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedMar 20, 2018
Last updated in NPPESOct 16, 2024
Certified by providerOct 16, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X20A17984CA

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 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 patients374
Services billed1,008 across 45 procedure codes
Paid by Medicare$75,826

Part D prescriptions in 2024

Prescriptions (claims)10,397 · 24,116 30-day fills
Patients1,117
Total drug cost$953,454
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolTouro Un College of Osteopathic Medicine, Vallejo
Graduation year2018
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$582.68 · 34 payments from 10 companies
  • 2024$436.77 · 23 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$582.68 · 34 payments

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

Other Internal Medicine providers in Sun City

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