Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Diane Elizabeth Arnold, FNP

Q: What is the NPI number for Diane Arnold?

The National Provider Identifier (NPI) for Diane Arnold is 1023680642, a Type 1 (individual) record in the CMS NPPES registry.

Family Medicine Physician in Bloomingdale, IL · enumerated 2021.

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

National Provider Identifier

1023680642

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Registry record

Entity type Individual (Type 1)

Name Diane Elizabeth Arnold

Credential FNP

Sex Female

Practice address Bloomingdale, IL, 60108

Phone (331) 481-1766

Enumeration date Jul 13, 2021

Last updated in NPPES May 27, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 209023468 (IL) Primary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP credential

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 Diane Arnold?

The National Provider Identifier (NPI) for Diane Arnold is 1023680642, a Type 1 (individual) record in the CMS NPPES registry.

Where does Diane Arnold practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-27.