Yang Sun, MD
NPI 1215117296ActiveIndividual· Ophthalmology, Glaucoma Specialist· Stanford, CA
Ophthalmology, Glaucoma Specialist (MD) in Stanford, California, trained at Washington University School of Medicine (class of 2004). In 2024 Medicare paid $114,552 for 467 patients, and Part D covered 1,632 of their prescriptions, 53% of them generic. Alcon Vision LLC reported $133.71 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1215117296 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 7, 2007 |
| Last updated in NPPES | Mar 21, 2024 |
| Certified by provider | Mar 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Glaucoma Specialist Primary | 207WX0009X | A96850 | CA |
| Ophthalmology | 207W00000X | 4301094206 | MI |
| Ophthalmology | 207W00000X | A96850 | CA |
| Ophthalmology | 207W00000X | 01068759A | IN |
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 | 467 |
|---|---|
| Services billed | 1,462 across 22 procedure codes |
| Paid by Medicare | $114,552 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,632 · 2,754 30-day fills |
|---|---|
| Patients | 299 |
| Total drug cost | $107,709 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Ophthalmology |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$133.71 · 2 payments from 1 company
- 2024$310.78 · 10 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $133.71 | 2 |
What the 2025 payments were for
- Food and Beverage$133.71 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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