Craig Yoshio Hamasaki, M.D.
NPI 1003870478ActiveIndividual· Internal Medicine· Aiea, HI
Internal Medicine (M.D.) in Aiea, Hawaii, trained at Un of California, Irvine, College of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $536,353 for 5,452 claims, against $104,231 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $15.61 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1003870478 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 13, 2006 |
| Last updated in NPPES | Sep 26, 2020 |
| Certified by provider | Sep 26, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD-5730 | HI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 265 |
|---|---|
| Services billed | 1,287 across 12 procedure codes |
| Paid by Medicare | $104,231 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,452 · 13,476 30-day fills |
|---|---|
| Patients | 442 |
| Total drug cost | $536,353 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Un of California, Irvine, College of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Internal Medicine |
Medical group
- Hoola Healthcare LLCAiea, HI · 2 clinicians
Hospital affiliations
- Pali Momi Medical CenterAiea, HI
- The Queens Medical CenterHonolulu, HI
Other facilities
- Bayada Home Health CareHome health agency · Honolulu, HI
Industry payments (Open Payments)
- 2025$15.61 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $15.61 | 1 |
What the 2025 payments were for
- Food and Beverage$15.61 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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