Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Theresa Miiller, CNP

Pediatric Nurse Practitioner in Mitchell, SD · enumerated 2019.

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

National Provider Identifier

1033762984

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Registry record

Entity type Individual (Type 1)

Name Theresa Miiller

Credential CNP

Sex Female

Practice address 1900 Grassland Dr, Mitchell, SD, 57301

Phone (605) 995-7000

Enumeration date Jul 19, 2019

Last updated in NPPES Jul 19, 2019

Taxonomy & licenses

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License CP001603 (SD) Primary

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 Theresa Miiller?

The National Provider Identifier (NPI) for Theresa Miiller is 1033762984, a Type 1 (individual) record in the CMS NPPES registry.

Where does Theresa Miiller practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-07-19.