Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mrs. Margaret Claire Krenn, NNP

Individual provider Neonatal Intensive Care Registered Nurse · NPI 1801370424

Mrs. Margaret Claire Krenn, NNP is a Neonatal Intensive Care Registered Nurse in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2018.

Licensed in
MO
In the registry since
2018
Specialties on file
2

Practice location Address checks out

621 S New Ballas Rd Ste 2016B
Saint Louis, MO 63141-8265
Phone: (314) 251-6450
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neonatal Nurse Practitioner (primary) Taxonomy 363LN0000X · Licence 2018029010 (MO)
Neonatal Intensive Care Registered Nurse Taxonomy 163WN0002X · Licence 2004007033 (MO)

Record details

NPI number1801370424
Entity typeIndividual (Type 1)
GenderFemale
Credentials NNP
Sole proprietorNo
NPI enumeratedSeptember 19, 2018
Last updated in NPPESSeptember 19, 2018

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