John P. Oka, DDS
NPI 1023253747ActiveIndividual· Dentist, General Practice· Aiea, HI
Dentist, General Practice (DDS) in Aiea, Hawaii, licensed in HI and CA, with an NPI issued in December 2008. Part D covered 89 prescriptions written in 2024, 93% of them generic. Dentsply Sirona Inc was the largest of 2 companies reporting payments in 2025, $40.79 in all, mostly food and beverage.
Overview
| NPI | 1023253747 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DDS |
| Sole proprietor | No |
| NPI issued | Dec 9, 2008 |
| Last updated in NPPES | Oct 5, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | DT2393 | HI |
| Dentist, General Practice | 1223G0001X | 58074 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 89 · 94 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $578.82 |
| Generic share | 93% of claims |
Industry payments (Open Payments)
- 2025$40.79 · 2 payments from 2 companies
- 2024$1,608 · 31 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dentsply Sirona Inc | $21.61 | 1 |
| Patterson Companies, Inc. | $19.18 | 1 |
What the 2025 payments were for
- Food and Beverage$40.79 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 general dentists in Aiea · All general dentists in Hawaii