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

Individual provider Certified Registered Nurse Anesthetist · NPI 1548217094

Mary B Quaas, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Duluth, Minnesota. Qualified in 1999, 27 years ago. Practices with Certified Anesthesia Care Co, a 25-clinician group and accepts Medicare assignment. Licensed in Minnesota.

Years since qualifying
27
Licensed in
MN
In the registry since
2006
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

920 E 1st St Ste 101
Duluth, MN 55805-2201
Phone: (218) 279-6200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence R125091-4 (MN)

Record details

NPI number1548217094
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedMay 30, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Certified Anesthesia Care Co — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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