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

Katherine D Siebert, FNP

Individual provider Registered Nurse · NPI 1861585689

Katherine D Siebert, FNP is a Registered Nurse in Arnold, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

3619 Richardson Square Dr Ste 170
Arnold, MO 63010
Phone: (636) 717-6776
Fax: (314) 525-4055
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 063255 (MO)
Registered Nurse Taxonomy 163W00000X · Licence 63255 (MO)

Record details

NPI number1861585689
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedOctober 2, 2006
Last updated in NPPESMarch 14, 2017
Mailing address3619 Richardson Square Dr., Suite 170, Arnold, MO 63010

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