Tomoyoshi Shigematsu, M.D., PH.D.
NPI 1093259368ActiveIndividual· Neurological Surgery· New York, NY
Neurological Surgery (M.D., PH.D.) with Icahn School of Medicine at Mount Sinai and 1 other group, practicing in New York, New York. Mostly services rather than prescriptions: Medicare paid $79,798 for 105 patients in 2024, with only 27 Part D claims. Kaneka Medical America LLC was the largest of 8 companies reporting payments in 2025, $3,359 in all, mostly consulting fees. Lists Elmhurst Hospital Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1093259368 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PH.D. |
| Sole proprietor | No |
| NPI issued | Dec 6, 2016 |
| Last updated in NPPES | Oct 11, 2022 |
| Certified by provider | Oct 11, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 296753 | NY |
| Radiology, Vascular & Interventional Radiology | 2085R0204X | 296753 | NY |
| 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 - Neurosurgery (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 105 |
|---|---|
| Services billed | 353 across 43 procedure codes |
| Paid by Medicare | $79,798 |
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 53 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $4,572 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical groups
- Icahn School of Medicine at Mount SinaiNew York, NY · 2,843 clinicians
- Icahn School of Medicine at Mount SinaiElmhurst, NY · 316 clinicians
Hospital affiliations
- Elmhurst Hospital CenterElmhurst, NY
- Mount Sinai HospitalNew York, NY
- Mount Sinai WestNew York, NY
Industry payments (Open Payments)
- 2025$3,359 · 22 payments from 8 companies
- 2024$5,015 · 25 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kaneka Medical America LLC | $1,800 | 1 |
| Imperative Care, Inc | $425.65 | 4 |
| Stryker Corporation | $317.10 | 4 |
| Asahi Intecc Co., Ltd. | $286.57 | 3 |
| Microvention, Inc. | $279.14 | 4 |
What the 2025 payments were for
- Consulting Fee$1,800 · 1 payment
- Food and Beverage$1,559 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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