Neelan Joseph Marianayagam, MD, PHD
NPI 1932547247ActiveIndividual· Neurological Surgery· Stanford, CA
Neurological Surgery (MD, PHD) in Stanford, California, licensed in CA, with an NPI issued in June 2013. Medicare paid $6,653 for services to 67 patients in 2024. Zap Surgical Systems, Inc. reported $300.00 in payments in 2025, mostly grants.
Overview
| NPI | 1932547247 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Jun 8, 2013 |
| Last updated in NPPES | Apr 26, 2024 |
| Certified by provider | Apr 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | C175135 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 85 across 14 procedure codes |
| Paid by Medicare | $6,653 |
Industry payments (Open Payments)
- 2025$300.00 · 1 payment from 1 company
- 2024$500.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zap Surgical Systems, Inc. | $300.00 | 1 |
What the 2025 payments were for
- Grant$300.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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