Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Diana Derrer, OTD, OTR/L

Occupational Therapist in Fort Wayne, IN · enumerated 2023.

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

National Provider Identifier

1861267031

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Registry record

Entity type Individual (Type 1)

Name Diana Derrer

Credential OTD, OTR/L

Sex Female

Practice address 7833 W Jefferson Blvd, Fort Wayne, IN, 46804

Phone (260) 432-4848

Enumeration date Nov 17, 2023

Last updated in NPPES Nov 17, 2023

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 31008101A (IN) 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

Is NPI 1861267031 active?

Yes, as of the latest NPPES snapshot, NPI 1861267031 is active (record last updated 2023-11-17).

How do I verify Diana Derrer's NPI record?

Cross-check NPI 1861267031 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-11-17.