SPENCER MUNICIPAL HOSPITAL
NPI 1396603957
Nurse Anesthetist, Certified Registered in Spencer, IA

Q: What is Spencer Municipal Hospital's NPI number?

The NPI number for Spencer Municipal Hospital is 1396603957. It was assigned to this organization in the NPPES registry on January 13, 2026. The provider is doing business as Northwest Iowa Anesthesia Associates.

Q: What is Spencer Municipal Hospital's specialty?

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

Active since January 13, 2026

1200 1ST AVE E, SPENCER, IA 51301(712) 264-6164(712) 264-6412 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Spencer Municipal Hospital NPPES

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

SPENCER MUNICIPAL HOSPITAL (NPI 1396603957), doing business as Northwest Iowa Anesthesia Associates, is a healthcare organization registered as a nurse anesthetist, certified registered in Spencer, Iowa and active in the NPI registry since January 2026. The organization lists Brenda M Tiefenthaler, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1396603957

Entity TypeOrganization

Primary Taxonomy367500000X

Legal Business NameSPENCER MUNICIPAL HOSPITAL

Location Address1200 1ST AVE ESpencer, IA 51301-4342

Mailing Address400 10th St EWaconia, MN 55387-4552 · (888) 209-0305 · Fax (952) 442-3620

Phone(712) 264-6164

Fax(712) 264-6412

Organization SubpartNo

Authorized OfficialBrenda M TiefenthalerPresident/ceo · (712) 264-6110

Enumeration DateJanuary 13, 2026

NPPES CertifiedJanuary 13, 2026

✔ NPI 1396603957 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

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.

1200 1ST AVE E, Spencer, IA 51301

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Other Names 1

Doing Business AsNorthwest Iowa Anesthesia Associates

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Spencer Municipal Hospital is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 14 clinicians reassign Medicare billing to Spencer Municipal Hospital, which bills Medicare for the services they deliver. Of these, 7 practice within 10 miles. They are listed nearest first.