Ariel Takayanagi, DO
NPI 1023501582ActiveIndividual· Neurological Surgery· Stanford, CA
Neurological Surgery (DO) in Stanford, California, trained at Touro Un College of Osteopathic Medicine, Vallejo (class of 2018). Enrolled in Medicare as practitioner - neurosurgery. Alphatec Spine, Inc was the largest of 2 companies reporting payments in 2025, $330.49 in all, mostly food and beverage.
Overview
| NPI | 1023501582 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 10, 2018 |
| Last updated in NPPES | Jul 21, 2025 |
| Certified by provider | Jul 21, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 20A17764 | CA |
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 - Neurosurgery (CA) |
|---|
Education and affiliations
| Medical school | Touro Un College of Osteopathic Medicine, Vallejo |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
Hospital affiliations
- Dominican HospitalSanta Cruz, CA
- Santa Clara Valley Medical CenterSan Jose, CA
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$330.49 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alphatec Spine, Inc | $295.47 | 2 |
| Bioventus LLC | $35.02 | 1 |
What the 2025 payments were for
- Food and Beverage$330.49 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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