Nathaniel Todnem, MD
NPI 1144584004ActiveIndividual· Neurological Surgery· Louisville, KY
Neurological Surgery (MD) in Louisville, Kentucky, trained at University of Louisville School of Medicine (class of 2012). 294 Medicare patients in 2024, $144,666 paid; nearly all of their 108 Part D prescriptions were generic (94%). Microvention, Inc. was the largest of 22 companies reporting payments in 2025, $1,584 in all, mostly food and beverage.
Overview
| NPI | 1144584004 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 26, 2012 |
| Last updated in NPPES | Dec 4, 2020 |
| Certified by provider | Dec 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | ME139412 | FL |
| Neurological Surgery | 207T00000X | 005509 | GA |
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 (IN); Practitioner - Neurosurgery (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 294 |
|---|---|
| Services billed | 687 across 84 procedure codes |
| Paid by Medicare | $144,666 |
Part D prescriptions in 2024
| Prescriptions (claims) | 108 · 136 30-day fills |
|---|---|
| Patients | 56 |
| Total drug cost | $3,336 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Louisville School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical groups
- Baptist Health Medical Group IncMadison, IN · 2,472 clinicians
- PT Pros, IncWilliamsburg, KY · 263 clinicians
Hospital affiliations
- Baptist Health FloydNew Albany, IN
- Baptist Health HardinElizabethtown, KY
- Baptist Health LagrangeLa Grange, KY
- Baptist Health LouisvilleLouisville, KY
Industry payments (Open Payments)
- 2025$1,584 · 53 payments from 22 companies
- 2024$505.71 · 23 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Microvention, Inc. | $514.75 | 17 |
| Medtronic, Inc. | $292.31 | 6 |
| Penumbra, Inc. | $156.46 | 1 |
| Terumo Medical Corporation | $62.09 | 1 |
| Abbvie Inc. | $61.07 | 4 |
What the 2025 payments were for
- Food and Beverage$1,584 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 64 neurosurgeons in Louisville · All neurosurgeons in Kentucky