DR. STEPHAN YUAN-YEE CHIU M.D.
NPI 1053846956
Ophthalmology in Los Angeles, CA
About Dr. Stephan Yuan-yee Chiu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHAN YUAN-YEE CHIU M.D. (NPI 1053846956) is an individual ophthalmology provider in Los Angeles, California, licensed in California (A172634) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, Geffen School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Dr. Stephan Yuan-yee Chiu M.d. 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
2Medicare enrollment records show Stephan Chiu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
San Leandro, CA 94578
- Reassigned Medicare billing, California enrollment
- 10 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 16
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 90095 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90095
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 Stephan Chiu's NPI number?
The NPI number for Stephan Chiu is 1053846956. It was assigned to this individual provider in the NPPES registry on April 27, 2017.
Where is Stephan Chiu located?
Stephan Chiu practices at 100 Stein Plz, Los Angeles, CA 90095. The listed phone number is (310) 825-3090.
What is Stephan Chiu's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Stephan Chiu enrolled in Medicare?
Yes. Stephan Chiu 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 Stephan Chiu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephan Chiu reassigns Medicare benefits to 2 organizations: Emergency And Acute Care Medical Corporation (San Diego, CA) and V. Nicholas Batra M.D. Inc. (San Leandro, 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 Stephan Chiu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephan Chiu accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Stephan Chiu 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 Stephan Chiu was last updated on February 17, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Stephan Yuan-Yee Chiu, M.D. · NPI 1053846956
Ophthalmology physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 27, 2017.
## Identity
- **NPI:** 1053846956 (Entity type: Individual)
- **Enumerated:** April 27, 2017
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A172634 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 STEIN PLZ, Los Angeles, CA 90095-6021
- **Phone:** (310) 825-3090
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA); V. Nicholas Batra M.D. Inc. (NPI 1649344722, San Leandro, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Geffen School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** February 17, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1053846956) · Data from the CMS NPPES public registry.