Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Heidi Mittelstaedt, ARNP

Pediatric Nurse Practitioner in Ames, IA · enumerated 2011.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1235410804

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Registry record

Entity type Individual (Type 1)

Name Heidi Mittelstaedt

Credential ARNP

Sex Female

Practice address 1215 Duff Ave, Ames, IA, 50010

Phone (515) 239-4404

Fax (515) 239-4721

Enumeration date Sep 8, 2011

Last updated in NPPES Feb 22, 2024

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License C128982 (IA) Secondary

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License C-128982 (IA) Primary

Other identifiers

Identifier	Type	State	Issuer
C-128982	Other	IA	APRN

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Heidi Mittelstaedt?

The National Provider Identifier (NPI) for Heidi Mittelstaedt is 1235410804, a Type 1 (individual) record in the CMS NPPES registry.

Where does Heidi Mittelstaedt practice?

The practice location on file with NPPES is in Ames, IA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Richard Glenn Hospitalist Physician · Ames, IA NPI 1265437081 Jill Alexander Pediatrics Physician · Ames, IA NPI 1851387591 Rupal Amin Internal Medicine Physician · Ames, IA NPI 1225024995 Sheila Baker Pediatric Nurse Practitioner · Ames, IA NPI 1356338925 Peter Buck Orthopaedic Surgery Physician · Ames, IA NPI 1366439796 Todd Berryhill Internal Medicine Physician · Ames, IA NPI 1063409563 Jay Brown Allergy & Immunology Physician · Ames, IA NPI 1790772069 Jamie Weydert Anatomic Pathology & Clinical Pathology Physician · Ames, IA NPI 1578551362

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-22.