MELINDA YOUEEN-WU CHANG M.D.
NPI 1942597133
Ophthalmology in Los Angeles, CA
About Melinda Youeen-wu Chang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELINDA YOUEEN-WU CHANG M.D. (NPI 1942597133) is an individual ophthalmology provider in Los Angeles, California, licensed in California (A124253) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Melinda Youeen-wu Chang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Melinda Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Los Angeles, CA 90027
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
- 1,281 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Melinda Chang's NPI number?
The NPI number for Melinda Chang is 1942597133. It was assigned to this individual provider in the NPPES registry on July 7, 2011. The provider is also known as Melinda Wu M.D..
Where is Melinda Chang located?
Melinda Chang practices at 1450 San Pablo St Ste 4000, Los Angeles, CA 90033. The listed phone number is (323) 442-6335.
What is Melinda Chang's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Melinda Chang enrolled in Medicare?
Yes. Melinda Chang is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Melinda Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melinda Chang reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Melinda 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 Melinda Chang was last updated on October 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Melinda Youeen-Wu Chang, M.D. · NPI 1942597133
Ophthalmology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 7, 2011.
## Identity
- **NPI:** 1942597133 (Entity type: Individual)
- **Enumerated:** July 7, 2011
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A124253 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1450 SAN PABLO ST STE 4000, Los Angeles, CA 90033-5331
- **Phone:** (323) 442-6335
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Children's Hospital Los Angeles Medical Group, Inc. (NPI 1265530653, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 23, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1942597133) · Data from the CMS NPPES public registry.