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

Kathleen N. Guerrein, NP

Individual provider Nurse Practitioner · NPI 1699819235

Kathleen N. Guerrein, NP is a Nurse Practitioner in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2007.

Licensed in
MO
In the registry since
2007
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

4414 N Florissant Ave
Saint Louis, MO 63107-1812
Phone: (314) 898-1700
Fax: (314) 814-8542
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 101797 PNP (MO)

Record details

NPI number1699819235
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedFebruary 16, 2007
Last updated in NPPESSeptember 2, 2016

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