Aileen Chang, O.D.
NPI 1356781785ActiveIndividual· Optometrist· Sunnyvale, CA
Optometrist (O.D.) in Sunnyvale, California, trained at Southern California College of Optometry (class of 2013). In 2024 Medicare paid $61,669 for 439 patients, and Part D covered 471 of their prescriptions, 35% of them generic. Tarsus Pharmaceuticals, Inc. was the largest of 5 companies reporting payments in 2025, $593.98 in all, mostly food and beverage.
Overview
| NPI | 1356781785 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2013 |
| Last updated in NPPES | Feb 19, 2020 |
| Certified by provider | Feb 19, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 14626TLG | CA |
| Optometrist | 152W00000X | TUV007978 | NY |
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 | 439 |
|---|---|
| Services billed | 1,087 across 19 procedure codes |
| Paid by Medicare | $61,669 |
Part D prescriptions in 2024
| Prescriptions (claims) | 471 · 845 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $66,290 |
| Generic share | 35% of claims |
Education and affiliations
| Medical school | Southern California College of Optometry |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Optometry |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Industry payments (Open Payments)
- 2025$593.98 · 13 payments from 5 companies
- 2024$531.97 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tarsus Pharmaceuticals, Inc. | $366.47 | 7 |
| Bausch & Lomb Americas Inc. | $145.07 | 3 |
| Abbvie Inc. | $32.58 | 1 |
| Oyster Point Pharma, Inc. | $26.09 | 1 |
| Alcon Vision LLC | $23.77 | 1 |
What the 2025 payments were for
- Food and Beverage$593.98 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 54 optometrists in Sunnyvale · All optometrists in California