Dr. Geraldine Chang M.D.
About this NPIWhat this record shows.
NPI 1831486539 is registered to Dr. Geraldine Chang M.D., a Diagnostic Radiology practising at 18436 Roscoe Blvd in Northridge, California. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. Dr. Geraldine Chang M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2011.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20160718001545Diagnostic RadiologyCA
- I20230321001798Diagnostic RadiologyAZ
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Geraldine Chang M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Geraldine Chang M.D. directly at (818) 435-1400.
Frequently asked
Yes. NPI 1831486539 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (818) 435-1400.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Geraldine Chang M.D. is a Type-1 individual NPI.