Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

JOSLYN MATEO APNP
NPI 1578474037
Nurse Practitioner - Psychiatric/Mental Health in Milwaukee, WI

Active since September 14, 2026
1025 N BROADWAY, MILWAUKEE, WI 53202(414) 277-7300 Get Directions Write a Review

NPPES record added: September 14, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Joslyn Mateo Apnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOSLYN MATEO APNP (NPI 1578474037) is an individual psychiatric/mental health provider in Milwaukee, Wisconsin, licensed in Wisconsin (19108-33) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1578474037
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameJOSLYN MATEOCredential: APNP
Location Address1025 N BROADWAYMilwaukee, WI 53202-3109
Mailing Address1025 N BroadwayMilwaukee, WI 53202-3109 · (414) 277-7300
Sole ProprietorNo
Enumeration DateSeptember 14, 2026
NPPES CertifiedSeptember 14, 2026
NPI 1578474037 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in WI · 19108-33
1025 N BROADWAY, Milwaukee, WI 53202

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Specialist/Technologist (Athletic Trainer)
1025 N BROADWAY
MILWAUKEE, WI 53202
Specialist/Technologist (Athletic Trainer)
1025 N BROADWAY
MILWAUKEE, WI 53202

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joslyn Mateo's NPI number?

The NPI number for Joslyn Mateo is 1578474037. It was assigned to this individual provider in the NPPES registry on September 14, 2026.

Where is Joslyn Mateo located?

Joslyn Mateo practices at 1025 N Broadway, Milwaukee, WI 53202. The listed phone number is (414) 277-7300.

What is Joslyn Mateo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Joslyn Mateo was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.