Kaumakaokalani Shimatsu, M.D.
NPI 1194014357ActiveIndividual· Internal Medicine· Marysville, CA
Internal Medicine (M.D.) in Marysville, California, trained at University of Hawaii John A. Burns School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $148,288 for 1,409 claims, against $736.74 paid for services in 2024. Gilead Sciences, Inc. reported $21.10 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1194014357 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2011 |
| Last updated in NPPES | Dec 11, 2023 |
| Certified by provider | Dec 11, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A123592 | CA |
| Internal Medicine | 207R00000X | H00329654 | HI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (CA); Practitioner - Internal Medicine (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 70 |
|---|---|
| Services billed | 112 across 5 procedure codes |
| Paid by Medicare | $736.74 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,409 · 2,332 30-day fills |
|---|---|
| Patients | 246 |
| Total drug cost | $148,288 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Hawaii Permanente Medical Group IncHonolulu, HI · 704 clinicians
Hospital affiliation
- Kaiser Foundation HospitalHonolulu, HI
Industry payments (Open Payments)
- 2024$21.10 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $21.10 | 1 |
What the 2024 payments were for
- Food and Beverage$21.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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