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CHELSI TOEUN ARNP
NPI 1417818402
Emergency Medicine in Marshalltown, IA

Active since November 19, 2025PECOS Enrolled
55 UNITYPOINT WAY, MARSHALLTOWN, IA 50158(641) 754-5040 Get Directions Write a Review

NPPES record last updated: November 19, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Chelsi Toeun Arnp NPPES

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

CHELSI TOEUN ARNP (NPI 1417818402) is an individual emergency medicine provider in Marshalltown, Iowa, licensed in Iowa (A188046) and active in the NPI registry since November 2025. She is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Marshalltown, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1417818402
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameCHELSI TOEUNCredential: ARNP
Location Address55 UNITYPOINT WAYMarshalltown, IA 50158-4749
Mailing Address1402 4th AveGrinnell, IA 50112-2020 · (641) 821-5431
Phone(641) 754-5040
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateNovember 19, 2025
NPPES CertifiedNovember 19, 2025
✔ NPI 1417818402 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in IA · A188046
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
55 UNITYPOINT WAY, Marshalltown, IA 50158
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Wellmark Health Plan of Iowa, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chelsi Toeun Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4486997228
PECOS Enrollment IDI20251226002238
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Chelsi Toeun reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Unitypoint Health - Marshalltown
4.9 mi
Emergency Medicine
55 UNITYPOINT WAY
Marshalltown, IA 50158
  • Reassigned Medicare billing, Iowa enrollment
  • 214 clinicians in this Medicare group
NPI 1164957593 (641) 754-5145
Allen Memorial Hospital Corporation
47 mi
Emergency Medicine
1825 LOGAN AVE
Waterloo, IA 50703
  • Reassigned Medicare billing, Iowa enrollment
  • 273 clinicians in this Medicare group
NPI 1346292521 (319) 235-3941

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

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Unitypoint Health - Marshalltown

Acute Care Hospitals · Marshalltown, IA
OwnershipVoluntary non-profit - Private
CMS Certification Number160001
Location55 Unitypoint WayMarshalltown, IA 50158 · Marshall County
Emergency services

Allen Hospital

Acute Care Hospitals · Waterloo, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160110
Location1825 Logan AvenueWaterloo, IA 50703 · Black Hawk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50158 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

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

UNITYPOINT HEALTH - MARSHALLTOWN
Emergency Medicine
55 UNITYPOINT WAY
MARSHALLTOWN, IA 50158
Marshall County (641) 754-5145
BAILEY WHITE
Physical Therapist
55 UNITYPOINT WAY
MARSHALLTOWN, IA 50158
Marshall County (641) 754-6120
DR. ALYSSA LYNN JAMES PT, DPT
Physical Therapist
55 UNITYPOINT WAY
MARSHALLTOWN, IA 50158
Marshall County (641) 754-6120
JAXON JOHN FRANKEN PT, DPT
Physical Therapist
55 UNITYPOINT WAY
MARSHALLTOWN, IA 50158
Marshall County (641) 754-6120
AMELIA ANNE ATTWOOD RD, LD
Dietitian, Registered
55 UNITYPOINT WAY
MARSHALLTOWN, IA 50158
Marshall County (641) 328-7693
UNITYPOINT HEALTH - MARSHALLTOWN
General Acute Care Hospital
55 UNITYPOINT WAY
MARSHALLTOWN, IA 50158
Marshall County (641) 754-5145
MADELINE RENE HARRIS ATC
Physical Therapist
55 UNITYPOINT WAY
MARSHALLTOWN, IA 50158
Marshall County (641) 754-6120
BAYLEE BEADLE ARNP
Nurse Practitioner (Family)
55 UNITYPOINT WAY
MARSHALLTOWN, IA 50158
Marshall County (641) 754-5151

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 Chelsi Toeun's NPI number?

The NPI number for Chelsi Toeun is 1417818402. It was assigned to this individual provider in the NPPES registry on November 19, 2025.

Where is Chelsi Toeun located?

Chelsi Toeun practices at 55 Unitypoint Way, Marshalltown, IA 50158. The listed phone number is (641) 754-5040.

What is Chelsi Toeun's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Chelsi Toeun enrolled in Medicare?

Yes. Chelsi Toeun is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Chelsi Toeun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chelsi Toeun reassigns Medicare benefits to 2 organizations: Unitypoint Health - Marshalltown (Marshalltown, IA) and Allen Memorial Hospital Corporation (Waterloo, IA). Each 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 Chelsi Toeun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chelsi Toeun accept?

Health plans from Wellmark Health Plan of Iowa, Inc. list Chelsi Toeun 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.

Is Chelsi Toeun affiliated with any hospitals?

According to CMS data, Chelsi Toeun is affiliated with Unitypoint Health - Marshalltown and Allen Hospital.

When was this NPI record last updated?

The NPPES record for Chelsi Toeun was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.