Chelsi Toeun, ARNP - Medicare Nurse Practitioner in Marshalltown, IA

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Chelsi Toeun, ARNP is a medicare enrolled "Emergency Medicine" physician in Marshalltown, Iowa. She graduated from medical school in 2025 and has 1 years of diverse experience with area of expertise as Nurse Practitioner. Her current practice location is 55 Unitypoint Way, Marshalltown, Iowa. You can reach out to her office (for appointments etc.) via phone at (641) 754-5040.

Chelsi Toeun is licensed to practice in Iowa (license number A188046) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1417818402.

Contact Information

Chelsi Toeun, ARNP
55 Unitypoint Way,
Marshalltown, IA 50158-4749
(641) 754-5040
Not Available

Map and Direction




Physician's Profile

Full NameChelsi Toeun
GenderFemale
SpecialityNurse Practitioner
Experience1 Years
Location55 Unitypoint Way, Marshalltown, Iowa
Accepts Medicare AssignmentsMay be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Chelsi Toeun graduated from medical school in 2025
  NPI Data:
  • NPI Number: 1417818402
  • Provider Enumeration Date: 11/19/2025
  • Last Update Date: 11/19/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 4486997228
  • Enrollment ID: I20251226002238

Medical Identifiers

Medical identifiers for Chelsi Toeun such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1417818402NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A188046 (Iowa)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Allen HospitalWaterloo, IAHospital
Unitypoint Health - MarshalltownMarshalltown, IAHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Chelsi Toeun allows following entities to bill medicare on her behalf.
Entity NameAllen Memorial Hospital Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891772927
PECOS PAC ID: 4284546045
Enrollment ID: O20031211000480
Entity NameUnitypoint Health - Marshalltown
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1164957593
PECOS PAC ID: 0941587307
Enrollment ID: O20170608002304

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Chelsi Toeun is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Chelsi Toeun, ARNP
1402 4th Ave,
Grinnell, IA 50112-2020

Ph: (641) 821-5431		Chelsi Toeun, ARNP
55 Unitypoint Way,
Marshalltown, IA 50158-4749

Ph: (641) 754-5040

Reviews and Comments


Emergency Medicine Doctors in Marshalltown, IA

Dr. Eric J Stenberg, DO
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3 S 4th Ave, Marshalltown, IA 50158
Phone: 641-754-5040    
Dr. Milton J Vangundy, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3 S 4th Ave, Marshalltown, IA 50158
Phone: 641-754-5040    
Dr. Lance M. Vangundy, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 3 S 4th Ave, Marshalltown, IA 50158
Phone: 641-754-5040    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.