David B. Clifford, MD
NPI 1104844521ActiveIndividual· Psychiatry & Neurology, Neurology· Saint Louis, MO
Psychiatry & Neurology, Neurology (MD) in Saint Louis, Missouri, trained at Washington University School of Medicine (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $14,964 for 262 claims, against $4,416 paid for services in 2024. Sanofi US Services Inc. was the largest of 3 companies reporting payments in 2025, $16,536 in all, mostly consulting fees.
Overview
| NPI | 1104844521 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Apr 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | R7269 | MO |
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 - Neurology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 31 |
|---|---|
| Services billed | 64 across 8 procedure codes |
| Paid by Medicare | $4,416 |
Part D prescriptions in 2024
| Prescriptions (claims) | 262 · 362 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $14,964 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Neurology |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Christian Hospital NortheastSaint Louis, MO
Industry payments (Open Payments)
- 2025$16,536 · 7 payments from 3 companies
- 2024$11,280 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi US Services Inc. | $11,676 | 3 |
| F. Hoffmann-La Roche Ag | $4,410 | 3 |
| Pfizer Inc. | $450.00 | 1 |
What the 2025 payments were for
- Consulting Fee$16,536 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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