Rick Yutaka Hayashi, MD
NPI 1922027572ActiveIndividual· Internal Medicine, Nephrology· Honolulu, HI
Internal Medicine, Nephrology (MD) in Honolulu, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $586,260 for 1,785 claims, against $159,578 paid for services in 2024. Veloxis Pharmaceuticals, Inc. was the largest of 11 companies reporting payments in 2025, $544.63 in all, mostly food and beverage.
Overview
| NPI | 1922027572 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Apr 5, 2024 |
| Certified by provider | Apr 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD-14540 | 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 - Nephrology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 411 |
|---|---|
| Services billed | 1,628 across 16 procedure codes |
| Paid by Medicare | $159,578 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,785 · 4,506 30-day fills |
|---|---|
| Patients | 286 |
| Total drug cost | $586,260 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Hawaii Kidney Specialists LLPHonolulu, HI · 30 clinicians
Hospital affiliations
- Kuakini Medical CenterHonolulu, HI
- Pali Momi Medical CenterAiea, HI
- Straub Clinic and HospitalHonolulu, HI
- The Queens Medical CenterHonolulu, HI
Other facilities
- Liberty Dialysis Hawaii - Kaimuki DialysisDialysis facility · Honolulu, HI
- Liberty Dialysis Hawaii - Siemsen DialysisDialysis facility · Honolulu, HI
- Usrc Honolulu Dialysis CenterDialysis facility · Honolulu, HI
- Usrc KalihiDialysis facility · Honolulu, HI
- Usrc Pearlridge DialysisDialysis facility · Aiea, HI
Industry payments (Open Payments)
- 2025$544.63 · 22 payments from 11 companies
- 2024$1,141 · 55 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Veloxis Pharmaceuticals, Inc. | $109.42 | 4 |
| Apellis Pharmaceuticals, Inc. | $87.87 | 3 |
| Amgen Inc. | $63.77 | 3 |
| Novartis Pharmaceuticals Corporation | $50.66 | 2 |
| Astrazeneca Pharmaceuticals LP | $48.34 | 2 |
What the 2025 payments were for
- Food and Beverage$544.63 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 49 nephrologists in Honolulu · All nephrologists in Hawaii