Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Darlene M Mcmillon, FNP

Family Nurse Practitioner in Tucson, AZ · enumerated 2011 · practices at Arizona Cvs Stores LLC.

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

National Provider Identifier

1225332216

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Registry record

Entity type Individual (Type 1)

Name Darlene M Mcmillon

Credential FNP

Sex Female

Practice address 3785 W Ina Rd, Tucson, AZ, 85741

Phone (866) 389-2727

Enumeration date Jan 5, 2011

Last updated in NPPES Mar 12, 2014

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN090813 (AZ) 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 Darlene Mcmillon?

The National Provider Identifier (NPI) for Darlene Mcmillon is 1225332216, a Type 1 (individual) record in the CMS NPPES registry.

Where does Darlene Mcmillon practice?

The practice location on file with NPPES is in Tucson, AZ. 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 2014-03-12.