William George Obana, M.D.
NPI 1497738686ActiveIndividual· Specialist· Honolulu, HI
Specialist (M.D.) in Honolulu, Hawaii, trained at University of California, San Francisco School of Medicine (class of 1987). 89 Medicare patients in 2024, $40,138 paid; all of their 74 Part D prescriptions were generic. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $293.09 in all, mostly food and beverage.
Overview
| NPI | 1497738686 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 22, 2005 |
| Last updated in NPPES | Jan 7, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 8018 | 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 - Neurosurgery (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 89 |
|---|---|
| Services billed | 147 across 16 procedure codes |
| Paid by Medicare | $40,138 |
Part D prescriptions in 2024
| Prescriptions (claims) | 74 · 82 30-day fills |
|---|---|
| Patients | 40 |
| Total drug cost | $1,164 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of California, San Francisco School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Neurosurgery |
Medical group
- Queens University Medical GroupHonolulu, HI · 614 clinicians
Hospital affiliation
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$293.09 · 9 payments from 2 companies
- 2024$110.38 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $240.76 | 7 |
| Depuy Synthes Sales Inc. | $52.33 | 2 |
What the 2025 payments were for
- Food and Beverage$293.09 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 241 Specialist providers in Honolulu · All Specialist providers in Hawaii