CHAO VISION INSTITUTE
NPI 1578599197
Ophthalmology - Cornea and External Diseases Specialist in Irvine, CA
About Chao Vision Institute NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHAO VISION INSTITUTE (NPI 1578599197) is a healthcare organization registered as a cornea and external diseases specialist in Irvine, California and active in the NPI registry since June 2006. The organization maintains a secondary practice location in Fullerton and lists Anne Quynh-giao N Tran, Administrator, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Secondary Practice Location 1
Group Practice 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Chao Vision Institute is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Chao Vision Institute, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Lawrence Chi Chao MD A Professional Corporation's NPI number?
The NPI number for Lawrence Chi Chao MD A Professional Corporation is 1578599197. It was assigned to this organization in the NPPES registry on June 24, 2006. The provider is doing business as Chao Vision Institute.
Where is Lawrence Chi Chao MD A Professional Corporation located?
Lawrence Chi Chao MD A Professional Corporation is located at 2500 Alton Pkwy Ste 102, Irvine, CA 92606. The listed phone number is (949) 679-2426.
What is Lawrence Chi Chao MD A Professional Corporation's specialty?
The primary specialty registered for this NPI is Ophthalmology, specializing in Cornea and External Diseases Specialist, with taxonomy code 207WX0120X.
Is Lawrence Chi Chao MD A Professional Corporation enrolled in Medicare?
Yes. Lawrence Chi Chao MD A Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Lawrence Chi Chao MD A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Lawrence Chi Chao MD A Professional Corporation, in Ophthalmology and Optometry. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Lawrence Chi Chao MD A Professional Corporation accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of Tennessee list Lawrence Chi Chao MD A Professional Corporation 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 Lawrence Chi Chao MD A Professional Corporation was last updated on March 23, 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.
# Chao Vision Institute · NPI 1578599197
Cornea and External Diseases Specialist organization in Irvine, California. Organization record, active in the CMS NPPES registry since June 24, 2006.
## Identity
- **NPI:** 1578599197 (Entity type: Organization)
- **Enumerated:** June 24, 2006
- **Primary specialty:** Ophthalmology - Cornea and External Diseases Specialist · taxonomy 207WX0120X
- **Legal business name:** Lawrence Chi Chao Md A Professional Corporation
- **Organization subpart:** No
- **Authorized official:** Anne Quynh-Giao Tran, ADMINISTRATOR
## Practice location
- **Address:** 2500 ALTON PKWY STE 102, Irvine, CA 92606-5032
- **Phone:** (949) 679-2426 · **Fax:** (949) 679-2616
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Ophthalmology (1), Optometry (1); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 23, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1578599197) · Data from the CMS NPPES public registry.