John Yichi Chen, M.D.
NPI 1366627879ActiveIndividual· Ophthalmology· Boston, MA
Ophthalmology (M.D.) in Boston, Massachusetts, trained at Columbia University College of Physicians and Surgeons (class of 2006). Part D covered 3,427 prescriptions written in 2024, 77% of them generic. Alcon Vision LLC reported $109.76 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1366627879 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 2, 2008 |
| Last updated in NPPES | Dec 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 233230 | MA |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 3,427 · 8,807 30-day fills |
|---|---|
| Patients | 699 |
| Total drug cost | $270,539 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Ophthalmology |
| Telehealth | Offers telehealth |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Industry payments (Open Payments)
- 2025$109.76 · 2 payments from 1 company
- 2024$110.11 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $109.76 | 2 |
What the 2025 payments were for
- Food and Beverage$109.76 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 340 ophthalmologists in Boston · All ophthalmologists in Massachusetts