Elaine M. Majerus, MD
NPI 1326064544ActiveIndividual· Internal Medicine, Hematology· Saint Louis, MO
Internal Medicine, Hematology (MD) in Saint Louis, Missouri, trained at Saint Louis University School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $3,469,526 for 693 claims, against $375,973 paid for services in 2024. Csl Behring was the largest of 7 companies reporting payments in 2025, $19,846 in all, mostly consulting fees.
Overview
| NPI | 1326064544 |
|---|---|
| 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 |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | 115350 | MO |
| Internal Medicine | 207R00000X | 115350 | MO |
| Internal Medicine, Medical Oncology | 207RX0202X | 115350 | 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 - Internal Medicine (IL); Practitioner - Hematology/Oncology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 364 |
|---|---|
| Services billed | 16,711 across 42 procedure codes |
| Paid by Medicare | $375,973 |
Part D prescriptions in 2024
| Prescriptions (claims) | 693 · 895 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $3,469,526 |
| Generic share | 53% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
Medical groups
- Washington UniversitySaint Louis, MO · 3,029 clinicians
- Washington University Physicians in Illinois IncSaint Louis, MO · 175 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$19,846 · 27 payments from 7 companies
- 2024$24,728 · 22 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Csl Behring | $7,524 | 8 |
| Biomarin Pharmaceutical Inc. | $7,375 | 5 |
| Novartis Pharmaceuticals Corporation | $4,819 | 8 |
| Sobi, Inc | $48.48 | 2 |
| Genzyme Corporation | $37.01 | 2 |
What the 2025 payments were for
- Consulting Fee$17,374 · 7 payments
- Travel and Lodging$2,231 · 11 payments
- Food and Beverage$240.40 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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