MRS. MARGARET CLAIRE KRENN NNP
NPI 1801370424
Nurse Practitioner - Neonatal in Saint Louis, MO

Q: What is Margaret Krenn's NPI number?

The NPI number for Margaret Krenn is 1801370424. It was assigned to this individual provider in the NPPES registry on September 19, 2018.

Q: What is Margaret Krenn's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.

Q: When was this NPI record last updated?

The NPPES record for Margaret Krenn was last updated on September 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 19, 2018

621 S NEW BALLAS RD STE 2016B, SAINT LOUIS, MO 63141(314) 251-6450 Get Directions Write a Review

NPPES record last updated: September 19, 2018. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mrs. Margaret Claire Krenn Nnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARGARET CLAIRE KRENN NNP (NPI 1801370424) is an individual neonatal provider in Saint Louis, Missouri, licensed in Missouri (2018029010) and active in the NPI registry since September 2018.

NPPES Registry Identity

NPI1801370424

Entity TypeIndividualFemale

Primary Taxonomy363LN0000X

Provider Legal NameMRS. MARGARET CLAIRE KRENNCredential: NNP

Location Address621 S NEW BALLAS RD STE 2016BSaint Louis, MO 63141-8265

Mailing Address621 S New Ballas Rd Ste 2016bSaint Louis, MO 63141-8265 · (314) 251-6450

Phone(314) 251-6450

Sole ProprietorNo

Enumeration DateSeptember 19, 2018

✔ NPI 1801370424 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · NeonatalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LN0000X

License✔ Licensed in MO · 2018029010

Also ListedRegistered Nurse · Neonatal Intensive CareTaxonomy 163WN0002X · License 2004007033 (MO)

621 S NEW BALLAS RD STE 2016B, Saint Louis, MO 63141

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Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JAMES ANDREW CARROLL M.D.

Pediatrics (Neonatal-Perinatal Medicine)

621 S NEW BALLAS RD STE 2016B
SAINT LOUIS, MO 63141

St. Louis County (314) 251-5860

DR. GREGORY RICHARD BOOTH M.D.

Pediatrics (Neonatal-Perinatal Medicine)

621 S NEW BALLAS RD STE 2016B
SAINT LOUIS, MO 63141

St. Louis County (143) 251-5860

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Krenn's NPI number?

The NPI number for Margaret Krenn is 1801370424. It was assigned to this individual provider in the NPPES registry on September 19, 2018.

Where is Margaret Krenn located?

Margaret Krenn practices at 621 S New Ballas Rd Ste 2016B, Saint Louis, MO 63141. The listed phone number is (314) 251-6450.

What is Margaret Krenn's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.

When was this NPI record last updated?

The NPPES record for Margaret Krenn was last updated on September 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.