NPPES file of Aug 9, 2026

Maggie Steffen McCormick, MD

Pediatrics Physician · Saint Louis, MO

Maggie Steffen McCormick, MD is a pediatrics physician with a practice address in Saint Louis, Missouri, and NPI 1952317547, issued on Aug 1, 2006. Check the license (Missouri 2009010348, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952317547
Name
Maggie Steffen McCormick
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
2009010348 MO
Self-reported in NPPES; status is on the state search
Practice location
8888 Ladue RD, Saint Louis, MO 63124
Phone
(314) 862-4050
Enumerated
Aug 1, 2006
Record last updated
Apr 17, 2025
Fax
(314) 862-1141
Medicaid ID
209413301 MO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8888 Ladue RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Elizabeth Atkinson, MDPediatrics Physician1114994910
  2. Archna Calfee, MDPediatrics Physician1144204389
  3. Alyssa Durzo, PNPPediatric Nurse Practitioner1871464388
  4. Russell Eggebrecht, MDCardiovascular Disease Physician1275551194
  5. Cathleen Faris-Guyol, M.D.Obstetrics & Gynecology Physician1699770297
  6. Christine Fleagle, CPNPPediatric Nurse Practitioner1992021828

Verify Maggie Steffen McCormick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2009010348    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

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443 pediatrics physician records list a practice address in Saint Louis

They are 443 of the 27,605 NPPES records with a practice address in Saint Louis, and 1,560 pediatrics physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 443 in Saint Louis → All 1,560 in Missouri → Every provider in Saint Louis →

Other pediatrics physician records in Missouri

  1. Joanna Abaraoha, MDSt Louis, MO1487396537
  2. Sol Abarca Acevedo, M.D.Kansas City, MO1881482800
  3. Elaf AbdelmagidSaint Louis, MO1831077627
  4. Mohamed Aashiq Abdul Ghayum, M.D.Kansas City, MO1881211985
  5. Elizabeth Abraham, M.D.Saint Louis, MO1467654293
  6. Moh'd Rawhi Abu Hamad, MDSaint Louis, MO1639741218
  7. Kennison Adams, MDKansas City, MO1447000567
  8. Susan Adams, M.D.Saint Louis, MO1437112570
  9. William Adams, M.D.O Fallon, MO1841281193
  10. Tiffany Addington, MDKansas City, MO1518161439

Common questions

What is Maggie Steffen McCormick, MD's NPI number?

Maggie Steffen McCormick, MD's National Provider Identifier (NPI) is 1952317547, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maggie Steffen McCormick, MD located?

The NPPES record lists a practice address at 8888 Ladue RD, Saint Louis, MO, 63124. Phone: (314) 862-4050. Providers update this record themselves, so call before visiting.

How can I verify Maggie Steffen McCormick, MD's license?

NPPES lists Missouri license number 2009010348, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.