DR. ELAINE M MAJERUS (MD) – Hematology (Internal Medicine) Physician, NPI 1326064544
Hematology (Internal Medicine) Physician
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Profile Insights
NPPES metrics only — not quality of care.
4,186 INTERNAL MEDICINE in MO
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Provider Addresses for DR. ELAINE M MAJERUS (MD)
Barnes-Jewish Hospital, 1, Barnes Jewish Hospital Plaza, Central West End, St. Louis, Missouri, 63110, United States
DIV IM HEMATOLOGY
SAINT LOUIS, MO 631101003
Phone: (314) 362-7216
Fax: (314) 362-8813
Type: Location
PO BOX 7412011
CHICAGO, IL 606742011
Phone: (314) 362-7216
Fax: (314) 362-8813
Type: Mailing
660, South Euclid Avenue, Central West End, City of Saint Louis, Missouri, 63110, United States
CB 8056
SAINT LOUIS, MO 631101010
Phone: (314) 362-7216
Fax: (314) 362-8813
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 51 Open Payments records for all available years, with a total value of $51,942.
Total Amount is formed as General ($45,077) + Research ($6,866) + Ownership ($0) = $51,942.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: BioMarin Pharmaceutical Inc. ($24,608).
Total Amount
$51,942
General + Research + Ownership
Payments
51
Total payment records
General Amount
$45,077
General payments
Research Amount
$6,866
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| BioMarin Pharmaceutical Inc. | $24,608 |
| Apellis Pharmaceuticals, Inc. | $12,332 |
| CSL Behring | $6,234 |
| GENZYME CORPORATION | $5,412 |
| Alexion Pharmaceuticals, Inc. | $1,950 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-05-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100908000997 | I | Hematology/Oncology | MO | TBD |
| I20220514000341 | I | Internal Medicine | IL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J9271 | Injection, pembrolizumab, 1 mg | 4,600 | 17 | $0 |
| J1453 | Injection, fosaprepitant, 1 mg | 2,700 | 17 | $0 |
| J1561 | Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg | 2,550 | 23 | $0 |
| J0897 | Injection, denosumab, 1 mg | 1,980 | 30 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 550 | 38 | $0 |
Insurance plans in this area (ZIP 63110)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | MO | 96415 | Infusion of chemotherapy into a vein | 44 | 27 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MO | |
| - | MO | |
| - | FL | |
| - | MO | |
| Diagnostic Radiology | IL | |
| - | IL | |
| - | MO | |
| - | MO | |
| - | MO | |
| - | MO |
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