NPPES file of Aug 9, 2026

Katherine L. Kreusser, M.D.

Pediatrics Physician · Saint Louis, MO

Katherine L. Kreusser, M.D. is a pediatrics physician with a practice address in Saint Louis, Missouri, and NPI 1851367767, issued on Feb 28, 2006. Check the license (Missouri R4B88, 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
1851367767
Name
Katherine L. Kreusser
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License number
R4B88 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
Feb 28, 2006
Record last updated
Jul 13, 2026
Fax
(314) 862-1141
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 Katherine L. Kreusser 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 R4B88
    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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97% fewer Medicare Part D claims than the average pediatrics physician in 2024

13 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.

  1. Katherine Kreusser13
  2. Specialty average375

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.

Katherine L. Kreusser among 1,560 pediatrics physician records in Missouri

Katherine L. Kreusser, M.D. 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 63% newer
  • In a Medicare fileYes · 34% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2026 · 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).

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.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Elizabeth Atkinson, MDSaint Louis, MO 631241114994910
  2. Earl Beeks, M.D.University City, MO 631241811065436
  3. Nastassia Bommel, D.O.Saint Louis, MO 631241427497411
  4. Archna Calfee, MDSaint Louis, MO 631241144204389
  5. Jennifer Horst, MDSaint Louis, MO 631241205032893
  6. Maggie McCormick, MDSaint Louis, MO 631241952317547
  7. Christopher Pingel, MDSaint Louis, MO 631241326209602
  8. Daniel Plax, MDSaint Louis, MO 631241336115252

Common questions

What is Katherine L. Kreusser, M.D.'s NPI number?

Katherine L. Kreusser, M.D.'s National Provider Identifier (NPI) is 1851367767, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Katherine L. Kreusser, M.D. 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 Katherine L. Kreusser, M.D.'s license?

NPPES lists Missouri license number R4B88, 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 Katherine L. Kreusser, M.D. prescribe under Medicare Part D?

In 2024, Katherine L. Kreusser, M.D. had 13 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.