Lawrence C. Chao, MD
NPI 1700812997ActiveIndividual· Ophthalmology, Cornea and External Diseases Specialist· Irvine, CA
Ophthalmology, Cornea and External Diseases Specialist (MD) in Irvine, California, trained at University of Southern California Keck School of Medicine (class of 1993). In 2024 Medicare paid $245,771 for 952 patients, and Part D covered 789 of their prescriptions, 63% of them generic. Alcon Vision LLC was the largest of 4 companies reporting payments in 2025, $16,470 in all, mostly consulting fees.
Overview
| NPI | 1700812997 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2006 |
| Last updated in NPPES | Mar 23, 2022 |
| Certified by provider | Mar 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Cornea and External Diseases Specialist Primary | 207WX0120X | G84067 | CA |
| Ophthalmology | 207W00000X | G84067 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 952 |
|---|---|
| Services billed | 1,934 across 29 procedure codes |
| Paid by Medicare | $245,771 |
Part D prescriptions in 2024
| Prescriptions (claims) | 789 · 1,040 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $164,071 |
| Generic share | 63% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Ophthalmology |
Medical group
- Lawrence Chi Chao MD A Professional CorporationFullerton, CA · 2 clinicians
Industry payments (Open Payments)
- 2025$16,470 · 10 payments from 4 companies
- 2024$2,311 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $15,542 | 4 |
| Alcon Research LLC | $849.77 | 2 |
| Bausch & Lomb Americas Inc. | $58.30 | 3 |
| Abbvie Inc. | $20.05 | 1 |
What the 2025 payments were for
- Consulting Fee$16,250 · 2 payments
- Food and Beverage$219.84 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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