Nathaniel Robert Ellens, MD
NPI 1265939524ActiveIndividual· Neurological Surgery· Knoxville, TN
Neurological Surgery (MD) in Knoxville, Tennessee, trained at Michigan State University College of Human Medicine (class of 2018). Enrolled in Medicare as practitioner - neurosurgery and practitioner - neurosurgery. Medtronic, Inc. was the largest of 4 companies reporting payments in 2025, $709.22 in all, mostly food and beverage.
Overview
| NPI | 1265939524 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 12, 2018 |
| Last updated in NPPES | Sep 9, 2026 |
| Certified by provider | Sep 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | 76528 | TN |
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 (PA); Practitioner - Neurosurgery (TN) |
|---|
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Neurosurgery |
Medical group
- Lehigh Valley Physician GroupAllentown, PA · 2,542 clinicians
Hospital affiliation
- Lehigh Valley HospitalAllentown, PA
Industry payments (Open Payments)
- 2025$709.22 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $502.44 | 7 |
| Penumbra, Inc. | $111.88 | 1 |
| Microvention, Inc. | $50.43 | 2 |
| Stryker Corporation | $44.47 | 2 |
What the 2025 payments were for
- Food and Beverage$709.22 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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