Katherine Chuang, MD
NPI 1356831929ActiveIndividual· Ophthalmology· Irvine, CA
Ophthalmology (MD) in Irvine, California, trained at Yale University School of Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $271,465 for 1,990 claims, against $3,067 paid for services in 2024. Carl Zeiss Meditec USA, Inc. reported $160.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1356831929 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 18, 2018 |
| Last updated in NPPES | Oct 27, 2023 |
| Certified by provider | Nov 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 11020595A | IN |
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 - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 23 |
|---|---|
| Services billed | 39 across 13 procedure codes |
| Paid by Medicare | $3,067 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,990 · 3,331 30-day fills |
|---|---|
| Patients | 593 |
| Total drug cost | $271,465 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Ophthalmology |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
- 2025$160.00 · 1 payment from 1 company
- 2024$34.46 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Carl Zeiss Meditec USA, Inc. | $160.00 | 1 |
What the 2025 payments were for
- Food and Beverage$160.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 48 ophthalmologists in Irvine · All ophthalmologists in California