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

Thomas G Lewison, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1790034742

Thomas G Lewison, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Montevideo, Minnesota. Qualified in 2012, 14 years ago. Practices with Glacial Ridge Hospital District, a 69-clinician group and accepts Medicare assignment. Licensed in Minnesota and South Dakota.

Years since qualifying
14
Licensed in
MN, SD
In the registry since
2012
Specialties on file
2
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

824 N 11th St
Montevideo, MN 56265-1629
Phone: (320) 269-8877
Fax: (320) 269-8186
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 R169007-9 (MN)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence CR000928 (SD)

Record details

NPI number1790034742
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedSeptember 6, 2012
Last updated in NPPESJanuary 29, 2026
Certification dateJanuary 29, 2026

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Glacial Ridge Hospital District — 69 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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