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Ruby Chang, M.D.

NPI 1164459335ActiveIndividual· Radiology, Diagnostic Radiology· Walnut Creek, CA

Radiology, Diagnostic Radiology (M.D.) in Walnut Creek, California, trained at Rutgers New Jersey Medical School (class of 1998). Medicare paid $802,956 for services to 4,685 patients in 2024. Incyte Corporation reported $22.55 in payments in 2024, mostly food and beverage.

Overview

NPI1164459335
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 26, 2006
Last updated in NPPESApr 2, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Radiology, Diagnostic Radiology Primary2085R0202XA81716CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Diagnostic Radiology (CA); Practitioner - Diagnostic Radiology (MD)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients4,685
Services billed20,140 across 108 procedure codes
Paid by Medicare$802,956

Medicare sources and data years

Education and affiliations

Medical schoolRutgers New Jersey Medical School
Graduation year1998
Medicare specialtyDiagnostic Radiology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$22.55 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Incyte Corporation$22.551

What the 2024 payments were for

  • Food and Beverage$22.55 · 1 payment

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

Other diagnostic radiologists in Walnut Creek

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