Elizabeth Y. Chong, OD
NPI 1598381493ActiveIndividual· Optometrist· Irvine, CA
Optometrist (OD) in Irvine, California, trained at Illinois College of Optometry at Chicago (class of 2020). Mostly services rather than prescriptions: Medicare paid $8,196 for 24 patients in 2024, with only 35 Part D claims. Coopervision Inc. reported $66.65 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1598381493 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD |
| Sole proprietor | No |
| NPI issued | Jun 17, 2020 |
| Last updated in NPPES | Feb 20, 2026 |
| Certified by provider | Feb 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 34652 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Optometry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 103 across 17 procedure codes |
| Paid by Medicare | $8,196 |
Part D prescriptions in 2024
| Prescriptions (claims) | 35 · 52 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $1,067 |
| Generic share | 49% of claims |
Education and affiliations
| Medical school | Illinois College of Optometry at Chicago |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Optometry |
Medical group
- Lui and Mai Optometry PartnershipIrvine, CA · 3 clinicians
Industry payments (Open Payments)
- 2025$66.65 · 3 payments from 1 company
- 2024$266.64 · 6 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopervision Inc. | $66.65 | 3 |
What the 2025 payments were for
- Food and Beverage$66.65 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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