EDWINA M CHANG MD
NPI 1861819823
Radiology - Body Imaging in Stanford, CA
About Edwina M Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EDWINA M CHANG MD (NPI 1861819823) is an individual body imaging provider in Stanford, California, licensed in California (A160545) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Chicago, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2014).
NPPES Registry Identity
Specialties & Licenses 4
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Edwina M Chang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Edwina Chang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1588721500 (California), NPI 1629301346 (California)
- 2,460 clinicians in this Medicare group
Newport Beach, CA 92663
- Reassigned Medicare billing, California enrollment
- 64 clinicians in this Medicare group
Newport Beach, CA 92660
- Reassigned Medicare billing, California enrollment
- 74 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 65
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Edwina Chang's NPI number?
The NPI number for Edwina Chang is 1861819823. It was assigned to this individual provider in the NPPES registry on March 27, 2014.
Where is Edwina Chang located?
Edwina Chang practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Edwina Chang's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Body Imaging, with taxonomy code 2085B0100X.
Is Edwina Chang enrolled in Medicare?
Yes. Edwina Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Edwina Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Edwina Chang reassigns Medicare benefits to 3 organizations: County Of Santa Clara (Palo Alto, CA), Newport Harbor Radiology Associates Medical Group, Inc (Newport Beach, CA) and Newport Center Radiology Associates Medical Group Inc (Newport Beach, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Edwina Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Edwina Chang accept?
Health plans from Blue Cross Blue Shield of Wyoming and Blue Cross and Blue Shield of Texas list Edwina Chang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Edwina Chang was last updated on April 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.