Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Mrs. Gwen Marie Anderson, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1316103369

Mrs. Gwen Marie Anderson, CRNA is registered under Certified Registered Nurse Anesthetist (CRNA) in Eau Claire, Wisconsin. Qualified in 2008, 18 years ago. Practices with Chippewa Valley Anesthesia Associates, SC, a 28-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

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

1221 Whipple St
Eau Claire, WI 54703-5270 Not confirmed with CMS for 17 years — call before visiting
Phone: (715) 838-3311
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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 132471-030 (WI)

Record details

NPI number1316103369
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJuly 30, 2008
Last updated in NPPESJanuary 29, 2009

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 Chippewa Valley Anesthesia Associates, S.C. — 28 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients135
Services billed 140 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Chippewa Valley Anesthesia Associates, SC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 28 clinicians in the practice; 12 are shown here.

Other providers in Eau Claire