NPPES file of Aug 9, 2026

James A. Gerst, MD

Pediatrics Physician · Creve Coeur, MO

James A. Gerst, MD is a pediatrics physician with a practice address in Creve Coeur, Missouri, and NPI 1770547150, issued on Apr 13, 2006. Check the license (Missouri 2015021007, 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
1770547150
Name
James A. Gerst
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
2015021007 MO
34580 MO
Self-reported in NPPES; status is on the state search
Practice location
494 Hammermill Dr, Creve Coeur, MO 63141
Phone
(314) 607-9841
Enumerated
Apr 13, 2006
Record last updated
Nov 4, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(636) 939-9208
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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Verify James A. Gerst 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 2015021007
    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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James A. Gerst among 1,560 pediatrics physician records in Missouri

James A. Gerst, MD is one of 1,560 pediatrics physician records with a practice address in Missouri. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 63% newer
  • In a Medicare fileNo · 34% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2021 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in Missouri

There are 1,560 pediatrics physician records in Missouri. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Sara Ayers, MDSaint Louis, MO 631411114911062
  2. Thomas Kasper, MDSaint Louis, MO 631411366418238
  3. Robert Kebler, MDSaint Louis, MO 631411669466512
  4. James Krafcik, MDSaint Louis, MO 631411841266087
  5. Agnes Laus, MDSaint Louis, MO 631411881670974
  6. Leland Laycob, MDSaint Louis, MO 631411770559908
  7. Richard Lazaroff, M.D.Saint Louis, MO 631411407837289
  8. Patrice Mathews, M.D.Saint Louis, MO 631411740253418

Common questions

What is James A. Gerst, MD's NPI number?

James A. Gerst, MD's National Provider Identifier (NPI) is 1770547150, issued on Apr 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James A. Gerst, MD located?

The NPPES record lists a practice address at 494 Hammermill Dr, Creve Coeur, MO, 63141. Phone: (314) 607-9841. Providers update this record themselves, so call before visiting.

How can I verify James A. Gerst, MD's license?

NPPES lists Missouri license number 2015021007, 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.

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.