Margaret E. Baum, M.D.
Obstetrics & Gynecology Physician · Saint Louis, MO
Margaret E. Baum, M.D. is an obstetrics & gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1891724597, issued on Jul 3, 2006. Check the license (Missouri 2004036069, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Margaret E. Baum
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 2004036069 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2220 Lemp Ave, Saint Louis, MO 63104
- Phone
- (314) 898-1700
- Enumerated
- Jul 3, 2006
- Record last updated
- Aug 31, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (314) 814-8542
- Medicaid ID
- 207425901 MO
- Entity
- Type 1 · individual
Also registered at 2220 Lemp Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Gregg, RDHDental Hygienist1245582667
- Kimberly Henry, NP-CFamily Nurse Practitioner1427407972
- Carole Herron, RDN, LDRegistered Dietitian1326977851
- Alexis Howell, PHARM.D.Pharmacist1114466240
- Anuradha Kotha, M.D.Internal Medicine Physician1437174455
- Ernesto Lam, M.D.Internal Medicine Physician1790875615
Verify Margaret E. Baum 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 2004036069Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
19 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
332 obstetrics & gynecology physician records list a practice address in Saint Louis
They are 332 of the 27,605 NPPES records with a practice address in Saint Louis, and 902 obstetrics & gynecology physician records in Missouri.
All 332 in Saint Louis → All 902 in Missouri → Every provider in Saint Louis →
Other obstetrics & gynecology physician records in Missouri
- Ana Adams, DOKansas City, MO1962151613
- Pamela Adams, MDSaint Louis, MO1104116995
- Allie Adrian, MDSaint Louis, MO1205621596
- Mona Afrassiab, DOOsage Beach, MO1679572119
- Gabrielle AgcaoiliKansas City, MO1023909249
- Christoper Ahlering, M.D.Saint Louis, MO1760419485
- Sandra Ahlum, M.D.Hannibal, MO1427037183
- Nusrat Ahmad, MDSaint Louis, MO1114966348
- Natasha Ahmed, M.D.Kansas City, MO1861758716
- Tanvira Alam, DOO Fallon, MO1265670525
Common questions
What is Margaret E. Baum, M.D.'s NPI number?
Margaret E. Baum, M.D.'s National Provider Identifier (NPI) is 1891724597, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret E. Baum, M.D. located?
The NPPES record lists a practice address at 2220 Lemp Ave, Saint Louis, MO, 63104. Phone: (314) 898-1700. Providers update this record themselves, so call before visiting.
How can I verify Margaret E. Baum, M.D.'s license?
NPPES lists Missouri license number 2004036069, 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 Margaret E. Baum, M.D. prescribe under Medicare Part D?
In 2024, Margaret E. Baum, M.D. had 19 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
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.