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

SPENCER MUNICIPAL HOSPITAL
NPI 1710560180
Surgery in Spencer, IA

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

The NPI number for Spencer Municipal Hospital is 1710560180. It was assigned to this organization in the NPPES registry on May 3, 2021. The provider is doing business as Northwest Iowa Surgeons - Spencer.

Q: What is Spencer Municipal Hospital's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Active since May 03, 2021

1823 HIGHWAY BLVD STE 5, SPENCER, IA 51301(712) 262-6320(712) 264-3007 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 10, 2023, Jun 25, 2021, May 26, 2021 and 1 more (4 updates tracked since 2021).

On this page

About Spencer Municipal Hospital NPPES

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

SPENCER MUNICIPAL HOSPITAL (NPI 1710560180), doing business as Northwest Iowa Surgeons - Spencer, is a healthcare organization registered as a surgery in Spencer, Iowa and active in the NPI registry since May 2021. The organization lists Brenda Tiefenthaler, President/ceo, as its authorized official.

NPPES Registry Identity

NPI1710560180

Entity TypeOrganization

Primary Taxonomy208600000X

Legal Business NameSPENCER MUNICIPAL HOSPITAL

Location Address1823 HIGHWAY BLVD STE 5Spencer, IA 51301-2226

Mailing AddressPo Box 647Spencer, IA 51301-0647 · (712) 264-6111 · Fax (712) 264-6404

Phone(712) 262-6320

Fax(712) 264-3007

Organization SubpartNo

Authorized OfficialBrenda TiefenthalerPresident/ceo · (712) 264-6111

Enumeration DateMay 3, 2021

Last NPPES UpdateOctober 20, 20264 updates tracked since enumeration

NPPES CertifiedOctober 20, 2026

✔ NPI 1710560180 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

1823 HIGHWAY BLVD STE 5, Spencer, IA 51301

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Other Names 1

Doing Business AsNorthwest Iowa Surgeons - Spencer

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Sanford Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation 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).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date

StateIowaEnrollment IDO20220218000692Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027

Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 5 clinicians reassign Medicare billing to Spencer Municipal Hospital, which bills Medicare for the services they deliver. Of these, 5 practice at this address. They are listed nearest first.

Clinicians, nearest first (5)

Benjamin Branigan, MD

General Surgery

NPI 1780206110

1823 HIGHWAY BLVD STE 5
Spencer, IA 51301

(712) 262-6320

✔ PECOS✔ Accepts MedicareSame address

Jeffre Helmink, M.D.

General Surgery

NPI 1629057104

1823 HIGHWAY BLVD SUITE 5
Spencer, IA 51301

(712) 262-6320

✔ PECOSSame address

Jason Keonin, M.D.

General Surgery

NPI 1790711885

1823 HIGHWAY BLVD SUITE 5
Spencer, IA 51301

(712) 262-6320

✔ PECOSSame address

Jaren Ricker, M.D.

General Surgery

NPI 1437386125

1823 HIGHWAY BLVD STE 5
Spencer, IA 51301

(712) 262-6320

✔ PECOSSame address

Patrick Slattery, M.D.

General Surgery

NPI 1740269224

1823 HIGHWAY BLVD SUITE 5
Spencer, IA 51301

(712) 262-6320

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Spencer Municipal Hospital's NPI number?

The NPI number for Spencer Municipal Hospital is 1710560180. It was assigned to this organization in the NPPES registry on May 3, 2021. The provider is doing business as Northwest Iowa Surgeons - Spencer.

Where is Spencer Municipal Hospital located?

Spencer Municipal Hospital is located at 1823 Highway Blvd Ste 5, Spencer, IA 51301. The listed phone number is (712) 262-6320.

What is Spencer Municipal Hospital's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Spencer Municipal Hospital enrolled in Medicare?

Yes. Spencer Municipal Hospital is registered in the Medicare PECOS enrollment system.

When is Spencer Municipal Hospital's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Iowa, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Spencer Municipal Hospital?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in General Surgery, reassign their Medicare billing to Spencer Municipal Hospital. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 5 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Spencer Municipal Hospital accept?

Health plans from Avera Health Plans and Sanford Health Plan list Spencer Municipal Hospital as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Spencer Municipal Hospital was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.