Jenifer Keni Keiko Ishizaki Chung, O.D.
NPI 1821140534ActiveIndividual· Optometrist· Antioch, CA
Optometrist (O.D.) in Antioch, California, trained at Southern California College of Optometry (class of 2001). Part D covered 53 prescriptions written in 2024, 34% of them generic.
Overview
| NPI | 1821140534 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jan 16, 2007 |
| Last updated in NPPES | Jan 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 11660 | CA |
| Optometrist | 152W00000X | 550 | HI |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 53 · 76 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $9,960 |
| Generic share | 34% of claims |
Education and affiliations
| Medical school | Southern California College of Optometry |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Optometry |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 optometrists in Antioch · All optometrists in California