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Diane L Duddles, NP

Acute Care Nurse Practitioner in Lake Forest, IL · enumerated 2006.

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

National Provider Identifier

1831114750

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Registry record

Entity type Individual (Type 1)
Name Diane L Duddles
Credential NP
Sex Female
Practice address 660 N. Westmoreland Road, Lake Forest Emergency Dept, Lake Forest, IL, 60045
Phone (847) 535-6150
Fax (847) 535-7801
Enumeration date Jul 13, 2006
Last updated in NPPES Apr 20, 2010

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209001910 (IL) Secondary
363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209-001910 (IL) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

Other identifiers

Identifier Type State Issuer
P00417654 Other - RAILROAD MCR

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.

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Frequently asked questions

What is the NPI number for Diane Duddles?
The National Provider Identifier (NPI) for Diane Duddles is 1831114750, a Type 1 (individual) record in the CMS NPPES registry.
Where does Diane Duddles practice?
The practice location on file with NPPES is in Lake Forest, IL. 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 2010-04-20.