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

Rachel Smigelski-Theiss, MSN, RN, ACCNS-AG

Individual provider Medical-Surgical Clinical Nurse Specialist · NPI 1003646985

Rachel Smigelski-Theiss, MSN, RN, ACCNS-AG is a Medical-Surgical Clinical Nurse Specialist in Saint Louis, Missouri. Licensed in Missouri. Registered with an NPI since 2024.

Licensed in
MO
In the registry since
2024
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

1 Barnes Jewish Hospital Plz
Saint Louis, MO 63110-1003
Phone: (314) 738-1457
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical-Surgical Clinical Nurse Specialist (primary) Taxonomy 364SM0705X · Licence 2022003394 (MO)

Record details

NPI number1003646985
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , RN , ACCNS-AG
Sole proprietorNo
NPI enumeratedAugust 5, 2024
Last updated in NPPESAugust 5, 2024
Certification dateNovember 17, 2022

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