Ryuma Tanaka, M.D.
NPI 1184912230ActiveIndividual· Pediatrics, Pediatric Hematology-Oncology· Columbus, OH
Pediatrics, Pediatric Hematology-Oncology (M.D.) in Columbus, Ohio, licensed in OH, with an NPI issued in July 2011. Part D covered 14 prescriptions written in 2024. Day One Biopharmaceuticals was the largest of 2 companies reporting payments in 2025, $1,600 in all, mostly consulting fees.
Overview
| NPI | 1184912230 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 11, 2011 |
| Last updated in NPPES | Feb 20, 2026 |
| Certified by provider | Feb 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Hematology-Oncology Primary | 2080P0207X | 35.151700 | OH |
| Pediatrics | 208000000X | 35.151700 | OH |
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 - Hematology/Oncology (OH); Practitioner - Pediatric Medicine (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 14 · 14 30-day fills |
|---|---|
| Total drug cost | $10,167 |
Industry payments (Open Payments)
- 2025$1,600 · 2 payments from 2 companies
- 2024$8,172 · 6 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Day One Biopharmaceuticals | $1,500 | 1 |
| Servier Pharmaceuticals LLC | $99.75 | 1 |
What the 2025 payments were for
- Consulting Fee$1,500 · 1 payment
- Food and Beverage$99.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 Pediatrics, Pediatric Hematology-Oncology providers in Columbus · All Pediatrics, Pediatric Hematology-Oncology providers in Ohio