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

Alexander Thomas Theisen

Individual provider Certified Registered Nurse Anesthetist · NPI 1457929499

Alexander Thomas Theisen is a Certified Registered Nurse Anesthetist (CRNA) in LA Crosse, Wisconsin. Qualified in 2021, 5 years ago. Practices with Mayo Clinic Health System-Northwest Wisconsin Region Inc, a 799-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
5
Licensed in
WI
In the registry since
2021
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Practice location Address checks out

700 W Ave S
LA Crosse, WI 54601-4783
Phone: (608) 785-0940
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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 11028 (WI)

Record details

NPI number1457929499
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 16, 2021
Last updated in NPPESJune 28, 2021
Certification dateJune 28, 2021

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Mayo Clinic Health System-Northwest Wisconsin Region Inc — 799 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in LA Crosse