Stephan Yuan-Yee Chiu, M.D.
NPI 1053846956ActiveIndividual· Ophthalmology· Los Angeles, CA
Ophthalmology (M.D.) in Los Angeles, California, trained at University of California, Geffen School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $198,246 for 1,900 claims, against $132,109 paid for services in 2024. New World Medical,inc. was the largest of 12 companies reporting payments in 2025, $1,252 in all, mostly food and beverage.
Overview
| NPI | 1053846956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 27, 2017 |
| Last updated in NPPES | Feb 17, 2022 |
| Certified by provider | Feb 17, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A172634 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | CA |
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 | 514 |
|---|---|
| Services billed | 1,377 across 42 procedure codes |
| Paid by Medicare | $132,109 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,900 · 2,565 30-day fills |
|---|---|
| Patients | 494 |
| Total drug cost | $198,246 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Ophthalmology |
Medical group
- V. Nicholas Batra M.D. Inc.San Leandro, CA · 4 clinicians
Industry payments (Open Payments)
- 2025$1,252 · 25 payments from 12 companies
- 2024$1,460 · 31 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| New World Medical,inc. | $278.72 | 1 |
| Alcon Vision LLC | $221.55 | 5 |
| Johnson & Johnson Surgical Vision, Inc. | $141.40 | 1 |
| Bausch & Lomb Americas Inc. | $120.98 | 1 |
| Abbvie Inc. | $112.65 | 5 |
What the 2025 payments were for
- Food and Beverage$1,252 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 394 ophthalmologists in Los Angeles · All ophthalmologists in California