Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

GARY S BALWIERZ CRNA
NPI 1801889001
Nurse Anesthetist, Certified Registered in Eau Claire, WI

Q: What is Gary Balwierz's NPI number?

The NPI number for Gary Balwierz is 1801889001. It was assigned to this individual provider in the NPPES registry on August 24, 2005.

Q: What is Gary Balwierz's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Q: When was this NPI record last updated?

The NPPES record for Gary Balwierz was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 24, 2005

1221 WHIPPLE ST, EAU CLAIRE, WI 54703(715) 838-3311 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Gary S Balwierz Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GARY S BALWIERZ CRNA (NPI 1801889001) is an individual nurse anesthetist, certified registered in Eau Claire, Wisconsin, licensed in Wisconsin (121606) and active in the NPI registry since August 2005.

NPPES Registry Identity

NPI1801889001

Entity TypeIndividualMale

Primary Taxonomy367500000X

Provider Legal NameGARY S BALWIERZCredential: CRNA

Location Address1221 WHIPPLE STEau Claire, WI 54703-5270

Mailing Address2107 Heights DrEau Claire, WI 54701-6130 · (715) 834-8721 · Fax (715) 834-3087

Phone(715) 838-3311

Sole ProprietorNo

Enumeration DateAugust 24, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1801889001 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367500000X

License✔ Licensed in WI · 121606

Definition

(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

1221 WHIPPLE ST, Eau Claire, WI 54703

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Other Identifiers 1

Medicaid44331500WI

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATHY L MCNALLY CRNA

Nurse Anesthetist, Certified Registered