Robin Izumi Matsukawa, M.D.
NPI 1568668325ActiveIndividual· Internal Medicine· Kaneohe, HI
Internal Medicine (M.D.) in Kaneohe, Hawaii, trained at Loma Linda University School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $1,151,139 for 7,430 claims, against $68,896 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $428.17 in all, mostly food and beverage.
Overview
| NPI | 1568668325 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 26, 2007 |
| Last updated in NPPES | May 1, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD-15361 | HI |
| Internal Medicine | 207R00000X | A105219 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 362 |
|---|---|
| Services billed | 1,150 across 12 procedure codes |
| Paid by Medicare | $68,896 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,430 · 20,111 30-day fills |
|---|---|
| Patients | 687 |
| Total drug cost | $1,151,139 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Castle Medical CenterKailua, HI · 77 clinicians
Hospital affiliations
- Adventist Health CastleKailua, HI
- Kapiolani Medical Center for Women & ChildrenHonolulu, HI
- Pali Momi Medical CenterAiea, HI
- Straub Clinic and HospitalHonolulu, HI
- The Queens Medical CenterHonolulu, HI
Other facilities
- Adventist Health Home Care ServicesHome health agency · Kaneohe, HI
- Bayada Home Health CareHome health agency · Honolulu, HI
- 15 CraigsideNursing home · Honolulu, HI
Industry payments (Open Payments)
- 2025$428.17 · 20 payments from 7 companies
- 2024$357.34 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $188.73 | 9 |
| Astrazeneca Pharmaceuticals LP | $62.33 | 3 |
| Glaxosmithkline, LLC. | $61.57 | 3 |
| Exact Sciences Corporation | $42.85 | 2 |
| Gilead Sciences, Inc. | $29.93 | 1 |
What the 2025 payments were for
- Food and Beverage$411.90 · 19 payments
- Education$16.27 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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