Greg N. Smith, MD
NPI 1649257866ActiveIndividual· Psychiatry & Neurology, Neurology· Louisville, KY
Psychiatry & Neurology, Neurology (MD) in Louisville, Kentucky, trained at Indiana University School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $813,269 for 604 claims, against $74,649 paid for services in 2024. Noctrix Health, Inc. was the largest of 41 companies reporting payments in 2025, $3,954 in all, mostly food and beverage.
Overview
| NPI | 1649257866 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 29, 2005 |
| Last updated in NPPES | Dec 2, 2020 |
| Certified by provider | Dec 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 25764 | KY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (IN); Practitioner - Neurology (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 525 |
|---|---|
| Services billed | 1,079 across 26 procedure codes |
| Paid by Medicare | $74,649 |
Part D prescriptions in 2024
| Prescriptions (claims) | 604 · 1,026 30-day fills |
|---|---|
| Patients | 161 |
| Total drug cost | $813,269 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Neurology |
| Secondary specialties | Psychiatry |
Medical group
- Baptist Health Medical Group IncMadison, IN · 2,472 clinicians
Hospital affiliations
- Baptist Health HardinElizabethtown, KY
- Baptist Health LagrangeLa Grange, KY
- Baptist Health LouisvilleLouisville, KY
- Baptist Health PaducahPaducah, KY
- Norton Hospitals, IncLouisville, KY
Industry payments (Open Payments)
- 2025$3,954 · 138 payments from 41 companies
- 2024$4,988 · 204 payments from 40 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Noctrix Health, Inc. | $790.23 | 1 |
| Abbvie Inc. | $515.42 | 25 |
| Eisai Inc. | $304.30 | 14 |
| Takeda Pharmaceuticals U.S.A., Inc. | $295.60 | 8 |
| Ucb, Inc. | $265.49 | 11 |
What the 2025 payments were for
- Food and Beverage$3,852 · 136 payments
- Education$101.89 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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