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

Sean C Sundermann, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1952577074

Sean C Sundermann, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Sioux Falls, South Dakota. Qualified in 2008, 18 years ago. Practices with Avera McKennan, a 962-clinician group and accepts Medicare assignment. Licensed in South Dakota.

Years since qualifying
18
Licensed in
SD
In the registry since
2008
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

800 E 21st St
Sioux Falls, SD 57105-1016
Phone: (605) 322-2754
Fax: (605) 322-2727
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 SD-CRNA CR000696 (SD)

Record details

NPI number1952577074
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedMay 8, 2008
Last updated in NPPESMarch 18, 2011

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Avera McKennan — 962 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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