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Jeffrey C. Chang, DO

NPI 1568739233ActiveIndividual· Internal Medicine· Whittier, CA

Internal Medicine (DO) with Pih Health Physicians, practicing in Whittier, California. 75 Medicare patients in 2024, $21,615 paid; nearly all of their 216 Part D prescriptions were generic (95%). Lists Pih Health Hospital-Whittier as a hospital affiliation.

Overview

NPI1568739233
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorYes
NPI issuedNov 24, 2011
Last updated in NPPESSep 21, 2023
Certified by providerAug 23, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X20A12004CA

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 patients75
Services billed307 across 9 procedure codes
Paid by Medicare$21,615

Part D prescriptions in 2024

Prescriptions (claims)216 · 242 30-day fills
Patients117
Total drug cost$9,060
Generic share95% of claims

Medicare sources and data years

Education and affiliations

Graduation year2010
Medicare specialtyInternal Medicine

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine providers in Whittier

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