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

MS. Abby Klaus Siebert, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1740836253

MS. Abby Klaus Siebert, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Saint Louis, Missouri. Graduated from Southern Illinois University School of Medicine in 2019, 7 years ago. Practices with Capital Anesthesia Solutions of Florida II, LLC, a 306-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
7
Trained at
Southern Illinois University School of Medicine
Licensed in
MO
In the registry since
2019
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Practice location Address checks out

12634 Olive Blvd Dept Anesthesiology
Saint Louis, MO 63141-6337
Phone: (800) 862-9980
Fax: (314) 362-1185
Show map & directions

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

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 2019033312 (MO)

Record details

NPI number1740836253
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedAugust 12, 2019
Last updated in NPPESApril 17, 2025
Certification dateApril 18, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2019 (7 years in practice)
Group practice Capital Anesthesia Solutions Of Florida Ii, Llc — 306 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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