Robert T. Naismith, MD
NPI 1871519090ActiveIndividual· Psychiatry & Neurology, Neurology· Saint Louis, MO
Psychiatry & Neurology, Neurology (MD) with Washington University, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $2,491,474 for 1,282 claims, against $9,721 paid for services in 2024. Sanofi-Aventis U.S. LLC was the largest of 13 companies reporting payments in 2025, $145,927 in all, mostly consulting fees. Lists Barnes Jewish Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1871519090 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 2000146127 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 79 |
|---|---|
| Services billed | 143 across 12 procedure codes |
| Paid by Medicare | $9,721 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,282 · 1,955 30-day fills |
|---|---|
| Patients | 107 |
| Total drug cost | $2,491,474 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Neurology |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Memorial HospitalBelleville, IL
- Missouri Baptist Medical CenterSaint Louis, MO
- Parkland Health CenterFarmington, MO
Industry payments (Open Payments)
- 2025$145,927 · 67 payments from 13 companies
- 2024$79,089 · 65 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $72,450 | 16 |
| Genzyme Corporation | $38,061 | 18 |
| E.R. Squibb & Sons, L.L.C. | $10,503 | 4 |
| Amgen Inc. | $8,123 | 7 |
| Tg Therapeutics, Inc. | $5,154 | 10 |
What the 2025 payments were for
- Consulting Fee$92,994 · 27 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$45,161 · 8 payments
- Travel and Lodging$6,224 · 15 payments
- Food and Beverage$1,549 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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