Lawrence Chi Chao MD a Professional Corporation
NPI 1578599197 · Cornea and External Diseases Specialist Physician · Irvine, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Chi Chao MD a Professional Corporation is a Cornea and External Diseases Specialist Physician organization in Irvine, CA (NPI 1578599197).
Provider details
- NPI number
- 1578599197
- Entity type
- Organization
- Primary specialty
- Cornea and External Diseases Specialist PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Anne Quynh-Giao Tran, Administrator(949) 679-2426
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Optometrist152W00000X
Eye and Vision Services Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Chao Vision Institute
Additional practice locations (1)
- 1955 Sunny Crest Dr Ste 120Fullerton, CA 92835-3653Phone: (949) 679-2426
Registry dates
- Enumerated
- 2006-06-24
- Last updated
- 2022-03-23
- Certified
- 2022-03-23
Frequently asked questions
- What is Lawrence Chi Chao MD a Professional Corporation's NPI number?
- Lawrence Chi Chao MD a Professional Corporation's National Provider Identifier (NPI) is 1578599197, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lawrence Chi Chao MD a Professional Corporation?
- Lawrence Chi Chao MD a Professional Corporation is classified in the NPPES registry as Cornea and External Diseases Specialist Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Chi Chao MD a Professional Corporation located?
- Lawrence Chi Chao MD a Professional Corporation's practice location on file with NPPES is 2500 Alton Pkwy Ste 102, Irvine, CA 92606-5032.
- What is Lawrence Chi Chao MD a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Chi Chao MD a Professional Corporation is (949) 679-2426.
- Does Lawrence Chi Chao MD a Professional Corporation accept Medicare?
- Lawrence Chi Chao MD a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Lawrence Chi Chao MD a Professional Corporation?
- The authorized official listed on Lawrence Chi Chao MD a Professional Corporation's NPPES record is Anne Quynh-Giao Tran, Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lawrence Chi Chao MD a Professional Corporation's NPI active?
- Yes — Lawrence Chi Chao MD a Professional Corporation's NPI (1578599197) is active in the NPPES registry as of the last update on 2022-03-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.