Gregory F. Wu, MD
NPI 1558426619ActiveIndividual· Psychiatry & Neurology, Neurology· Saint Louis, MO
Psychiatry & Neurology, Neurology (MD) in Saint Louis, Missouri, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,411,863 for 572 claims, against $5,092 paid for services in 2024. Emd Serono, Inc. was the largest of 6 companies reporting payments in 2025, $21,345 in all, mostly consulting fees.
Overview
| NPI | 1558426619 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 27, 2006 |
| Last updated in NPPES | Feb 3, 2026 |
| Certified by provider | Feb 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 2009014121 | 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 | 45 |
|---|---|
| Services billed | 74 across 13 procedure codes |
| Paid by Medicare | $5,092 |
Part D prescriptions in 2024
| Prescriptions (claims) | 572 · 803 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $1,411,863 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliation
- Barnes Jewish HospitalSaint Louis, MO
Industry payments (Open Payments)
- 2025$21,345 · 18 payments from 6 companies
- 2024$13,239 · 14 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Emd Serono, Inc. | $8,327 | 7 |
| Merck Kgaa | $6,720 | 1 |
| Genzyme Corporation | $5,408 | 7 |
| Genentech, Inc. | $725.00 | 1 |
| Novartis Pharmaceuticals Corporation | $125.97 | 1 |
What the 2025 payments were for
- Consulting Fee$15,335 · 4 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3,955 · 1 payment
- Travel and Lodging$1,491 · 4 payments
- Food and Beverage$564.20 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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