Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Deirdre Hartnett

Psychiatric/Mental Health Nurse Practitioner in Naperville, IL · enumerated 2015 · practices at Edward Health Ventures.

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

National Provider Identifier

1639547672

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Registry record

Entity type Individual (Type 1)

Name Deirdre Hartnett

Sex Female

Practice address 1335 N Mill St, Naperville, IL, 60563

Phone (847) 736-0148

Enumeration date Sep 8, 2015

Last updated in NPPES Sep 14, 2015

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209.012753 (IL) 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.

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Frequently asked questions

What is the NPI number for Deirdre Hartnett?

The National Provider Identifier (NPI) for Deirdre Hartnett is 1639547672, a Type 1 (individual) record in the CMS NPPES registry.

Where does Deirdre Hartnett practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-09-14.