Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Robert W Detlefsen, ARNP

Psychiatric/Mental Health Nurse Practitioner in North Liberty, IA · enumerated 2006.

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

National Provider Identifier

1134206873

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Registry record

Entity type Individual (Type 1)

Name Robert W Detlefsen

Credential ARNP

Sex Male

Practice address 455 N Mckenzie Ln, North Liberty, IA, 52317

Phone (319) 471-2479

Enumeration date Nov 1, 2006

Last updated in NPPES Sep 16, 2020

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License G-115825 (IA) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 75810 (KS) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 2013003487 (MO) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License G115825 (IA) 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

Where does Robert Detlefsen practice?

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

What is the NPI number for Robert Detlefsen?

The National Provider Identifier (NPI) for Robert Detlefsen is 1134206873, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-16.