Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brett Stephan, APRN, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner in Chicago, IL · enumerated 2021.

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

National Provider Identifier

1518544477

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Registry record

Entity type Individual (Type 1)

Name Brett Stephan

Credential APRN, PMHNP-BC

Sex Male

Practice address 159 N Sangamon St Ste 200, Chicago, IL, 60607

Phone (773) 923-3543

Fax (773) 232-8609

Enumeration date Mar 26, 2021

Last updated in NPPES Feb 11, 2026

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License AP61442753 (WA) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 212414 (AK) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License L8-0010497 (DE) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 277004359 (IL) Primary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License NUR-APRN-LIC-219381 (MT) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 298526 (AZ) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 10010368 (OR) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R55069 (ND) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 75566 (NM) Secondary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN 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

Where does Brett Stephan practice?

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

What is the NPI number for Brett Stephan?

The National Provider Identifier (NPI) for Brett Stephan is 1518544477, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-11.