Christine Chiyeko Ishikawa, O.D.
NPI 1689822793ActiveIndividual· Optometrist· Honolulu, HI
Optometrist (O.D.) in Honolulu, Hawaii, trained at New England College of Optometry (class of 2004). In 2024 Medicare paid $22,881 for 217 patients, and Part D covered 69 of their prescriptions, 48% of them generic. Alcon Vision LLC was the largest of 3 companies reporting payments in 2025, $90.53 in all, mostly food and beverage.
Overview
| NPI | 1689822793 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Sep 3, 2008 |
| Last updated in NPPES | Apr 7, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 624 | 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 (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 217 |
|---|---|
| Services billed | 362 across 12 procedure codes |
| Paid by Medicare | $22,881 |
Part D prescriptions in 2024
| Prescriptions (claims) | 69 · 122 30-day fills |
|---|---|
| Patients | 32 |
| Total drug cost | $19,263 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | New England College of Optometry |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Optometry |
Medical group
- Drs. Kubo and Sato, Optometrists, Inc.Honolulu, HI · 5 clinicians
Industry payments (Open Payments)
- 2025$90.53 · 4 payments from 3 companies
- 2024$211.37 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $51.62 | 2 |
| Johnson & Johnson Vision Care, Inc. | $19.63 | 1 |
| Bausch & Lomb Americas Inc. | $19.28 | 1 |
What the 2025 payments were for
- Food and Beverage$90.53 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 215 optometrists in Honolulu · All optometrists in Hawaii