DR. SUE CHANG MD
NPI 1235450776
Pathology - Cytopathology in Duarte, CA
About Dr. Sue Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUE CHANG MD (NPI 1235450776) is an individual cytopathology provider in Duarte, California, licensed in California (A119353) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of New York Medical College (2010).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Sue 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 Reassignment
Medicare enrollment records show Sue Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 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 25
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91010 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
DUARTE, CA 91010
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 Sue Chang's NPI number?
The NPI number for Sue Chang is 1235450776. It was assigned to this individual provider in the NPPES registry on June 18, 2010.
Where is Sue Chang located?
Sue Chang practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 256-4673.
What is Sue Chang's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Cytopathology, with taxonomy code 207ZC0500X.
Is Sue Chang enrolled in Medicare?
Yes. Sue 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 organization bills Medicare for Sue Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sue Chang reassigns Medicare benefits to City Of Hope Medical Foundation (Duarte, CA). The 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 Sue Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sue Chang was last updated on November 20, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.