Stephen Russell Chun, OD, FAAO
NPI 1942366133ActiveIndividual· Optometrist, Vision Therapy· Berkeley, CA
Optometrist, Vision Therapy (OD, FAAO) in Berkeley, California, trained at Berkeley Northeastern State University - College of Medicine (class of 1974). Mostly services rather than prescriptions: Medicare paid $9,946 for 76 patients in 2024, with only 39 Part D claims. Alcon Vision LLC reported $23.74 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1942366133 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | OD, FAAO |
| Sole proprietor | No |
| NPI issued | Dec 29, 2006 |
| Last updated in NPPES | Sep 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist, Vision Therapy Primary | 152WV0400X | 5835TLG | CA |
| Optometrist | 152W00000X | 5835TLG | CA |
| Optometrist, Corneal and Contact Management | 152WC0802X | 5835TLG | CA |
| Optometrist, Low Vision Rehabilitation | 152WL0500X | 5835TLG | CA |
| Optometrist, Pediatrics | 152WP0200X | 5835TLG | CA |
| Optometrist, Sports Vision | 152WS0006X | 5835TLG | CA |
| Optometrist, Occupational Vision | 152WX0102X | 5835TLG | 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 - Optometry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 123 across 13 procedure codes |
| Paid by Medicare | $9,946 |
Part D prescriptions in 2024
| Prescriptions (claims) | 39 · 70 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $10,533 |
| Generic share | 51% of claims |
Education and affiliations
| Medical school | Berkeley Northeastern State University - College of Medicine |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Optometry |
Medical groups
- Regents of the University of California at BerkeleyBerkeley, CA · 58 clinicians
- Mark A Fujikawa and Stephen R Chun PtrBerkeley, CA · 3 clinicians
Industry payments (Open Payments)
- 2025$23.74 · 1 payment from 1 company
- 2024$82.30 · 4 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $23.74 | 1 |
What the 2025 payments were for
- Food and Beverage$23.74 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Optometrist, Vision Therapy providers in Berkeley
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