NPPES file of Aug 9, 2026

Stephen S. Walther, D.O.

Pediatrics Physician · St Louis, MO

Stephen S. Walther, D.O. is a pediatrics physician with a practice address in St Louis, Missouri, and NPI 1912296740, issued on Apr 1, 2011. Check the license (Missouri 2014010845, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912296740
Name
Stephen S. Walther
Credential
D.O.
Primary taxonomy
Pediatrics Physician 208000000X
License number
2014010845 MO
Self-reported in NPPES; status is on the state search
Practice location
456 N. New Ballas RD., St Louis, MO 63141
Phone
(314) 567-6868
Enumerated
Apr 1, 2011
Record last updated
Sep 11, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(314) 567-0578
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 456 N. New Ballas RD.

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

  1. Diana Preiss, CPNPPediatric Nurse Practitioner1851485726
  2. Colleen Snow, M.D.Pediatrics Physician1437290285

Verify Stephen S. Walther 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 2014010845
    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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Industry payments in 2024: $57.45

1 payment: food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Walther$57.45
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Stephen S. Walther among 1,560 pediatrics physician records in Missouri

Stephen S. Walther, D.O. 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. Its NPI, issued in 2011, is newer than 53% of them.

  • NPI issued2011 · 53% of these records are older, 45% newer
  • In a Medicare fileYes · 34% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2014 · 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).

63 pediatrics physician records list a practice address in St Louis

They are 63 of the 1,420 NPPES records with a practice address in St Louis, and 1,560 pediatrics physician records in Missouri.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Sara Ayers, MDSaint Louis, MO 631411114911062
  2. James Gerst, MDCreve Coeur, MO 631411770547150
  3. Thomas Kasper, MDSaint Louis, MO 631411366418238
  4. Robert Kebler, MDSaint Louis, MO 631411669466512
  5. James Krafcik, MDSaint Louis, MO 631411841266087
  6. Agnes Laus, MDSaint Louis, MO 631411881670974
  7. Leland Laycob, MDSaint Louis, MO 631411770559908
  8. Richard Lazaroff, M.D.Saint Louis, MO 631411407837289

Common questions

What is Stephen S. Walther, D.O.'s NPI number?

Stephen S. Walther, D.O.'s National Provider Identifier (NPI) is 1912296740, issued on Apr 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Stephen S. Walther, D.O. located?

The NPPES record lists a practice address at 456 N. New Ballas RD., St Louis, MO, 63141. Phone: (314) 567-6868. Providers update this record themselves, so call before visiting.

How can I verify Stephen S. Walther, D.O.'s license?

NPPES lists Missouri license number 2014010845, 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. 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.