Elaine M. Majerus, MD
Hematology (Internal Medicine) Physician · Saint Louis, MO
Elaine M. Majerus, MD is a hematology (internal medicine) physician with a practice address in Saint Louis, Missouri, and NPI 1326064544, issued on Jul 14, 2006. Check the license (Missouri 115350, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Elaine M. Majerus
- Credential
- MD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- 115350 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Phone
- (314) 362-7216
- Enumerated
- Jul 14, 2006
- Record last updated
- Apr 17, 2025
- Fax
- (314) 362-8813
- Medicaid ID
- 209071505 MO
- Medicare enrollment
- Enrolled (PECOS I20100908000997); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1998
- Entity
- Type 1 · individual
Also registered at 1 Barnes Jewish Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Elaine M. Majerus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 115350Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average hematology (internal medicine) physician in 2024
693 Medicare Part D claims for 120 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims. 39 claims were for opioids.
Most prescribed
- Eliquis103 claims
- Hydroxyurea78 claims
- Warfarin Sodium49 claims
- Acyclovir46 claims
- Xarelto45 claims
- Lenalidomide36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $24,728.06
22 payments; by number, the most common kind was food and beverage; the largest payer was BioMarin Pharmaceutical Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Washington UniversitySaint Louis, MO
- Washington University Physicians IN Illinois IncCarterville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Missouri
There are 22 hematology (internal medicine) physician records in Missouri.
Other hematology (internal medicine) physician records in Missouri
- Amber Afzal, MDSaint Louis, MO1831539808
- Helen Ajufo, MDSaint Louis, MO1497282115
- Vorachart Auethavekiat, MDSaint Louis, MO1003872615
- Joseph Bennett, MDKansas City, MO1720548183
- Morey Blinder, MDSaint Louis, MO1215953526
- Paul Gill, M.D.Springfield, MO1780927459
- Shaun Hanson, MDSaint Louis, MO1831464130
- Scot Hickman, MDSaint Louis, MO1114976818
- Gregory Longmore, MDSaint Louis, MO1912924473
- Amir Mahmoud, MDSaint Louis, MO1619549078
Common questions
What is Elaine M. Majerus, MD's NPI number?
Elaine M. Majerus, MD's National Provider Identifier (NPI) is 1326064544, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Elaine M. Majerus, MD located?
The NPPES record lists a practice address at 1 Barnes Jewish Hospital Plz, Saint Louis, MO, 63110. Phone: (314) 362-7216. Providers update this record themselves, so call before visiting.
How can I verify Elaine M. Majerus, MD's license?
NPPES lists Missouri license number 115350, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Elaine M. Majerus, MD prescribe under Medicare Part D?
In 2024, Elaine M. Majerus, MD had 693 Medicare Part D claims for 120 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
What is Elaine M. Majerus, MD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.