Doctor profile · Federal record

Dr. Elaine Majerus, MD

Hematology (Internal Medicine) Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Medical Oncology Physician · Saint Louis, MO

  • NPI 1326064544
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Div Im Hematology
Saint Louis, MO 631101003
(314) 362-7216
fax (314) 362-8813
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 17, 2025
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
Missouri #115350
Medicaid
MO #209071505

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326064544. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14,268
Distinct HCPCS
10
Medicare allowed
$514,806
HCPCS Description Services Patients Avg allowed
J9271 Injection, pembrolizumab, 1 mg 4,600 17 $55
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 $47
J0897 Injection, denosumab, 1 mg 1,980 30 $23
J1100 Injection, dexamethasone sodium phosphate, 1 mg 550 38 $0
36415 Insertion of needle into vein for collection of blood sample 375 132 $8
J2469 Injection, palonosetron hcl, 25 mcg 290 29 $1
J2506 Injection, pegfilgrastim, excludes biosimilar, 0.5 mg 192 15 $86
J1626 Injection, granisetron hydrochloride, 100 mcg 130 12 $0
96413 Administration of chemotherapy into vein, 1 hour or less 104 85 $128

In context: peer comparison

Among 6 peers in Saint Louis Hematology (Internal Medicine) Physician, average services per provider: 857. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24,728
Transactions
22
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
BioMarin Pharmaceutical INC. 12 $17,741.78
Csl Behring 7 $6,233.63
Novartis Pharmaceuticals Corporation 1 $525.00
Novo Nordisk INC 1 $123.03
Genentech USA, INC. 1 $104.62

By nature of payment

Consulting Fee
$11,744
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$9,440
Travel and Lodging
$2,628
Food and Beverage
$916

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
442
Patients
15
Total drug cost
$2,665,218
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 73 15 $56,588
Revlimid (Lenalidomide) Brand 70 0 $1,290,181
Acyclovir Generic 48 0 $864
Xarelto (Rivaroxaban) Brand 43 0 $36,405
Hydroxyurea Generic 35 0 $1,611
Warfarin Sodium Generic 34 0 $324
Promacta (Eltrombopag Olamine) Brand 27 0 $257,334
Dexamethasone Generic 18 0 $197
Lenalidomide Generic 15 0 $251,773
Tramadol Hcl Generic 15 0 $136

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Elaine Majerus's medical specialty?
Dr. Elaine Majerus practices Hematology (Internal Medicine) Physician in Saint Louis, MO.
Where does Dr. Elaine Majerus practice?
Dr. Elaine Majerus practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143627216.
What is Dr. Elaine Majerus's NPI?
Dr. Elaine Majerus's National Provider Identifier (NPI) is 1326064544, issued by NPPES.
Does Dr. Elaine Majerus accept Medicare assignment?
Yes. Dr. Elaine Majerus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elaine Majerus commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg (HCPCS J1561). Source: CMS Medicare Physician & Other Practitioners file.