MERCEDES FIERRA JOHNSON
NPI 1881485589
Counselor - Mental Health in Phoenix, AZ

Q: What is Mercedes Johnson's NPI number?

The NPI number for Mercedes Johnson is 1881485589. It was assigned to this individual provider in the NPPES registry on May 14, 2025.

Q: What is Mercedes Johnson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Mercedes Johnson was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.

Active since May 14, 2025

8102 W WHYMAN AVE, PHOENIX, AZ 85043(469) 988-4570(469) 988-4570 Get Directions Write a Review

NPPES record last updated: May 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Mercedes Fierra Johnson NPPES

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

MERCEDES FIERRA JOHNSON (NPI 1881485589) is an individual mental health provider in Phoenix, Arizona, licensed in Arizona (LAC-23184) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1881485589

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMERCEDES FIERRA JOHNSON

Location Address8102 W WHYMAN AVEPhoenix, AZ 85043-5410

Mailing Address8102 W Whyman AvePhoenix, AZ 85043-5410 · (469) 988-4570 · Fax (469) 988-4570

Phone(469) 988-4570

Fax(469) 988-4570

Sole ProprietorYes

Enumeration DateMay 14, 2025

NPPES CertifiedMay 12, 2025

✔ NPI 1881485589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in AZ · LAC-23184

8102 W WHYMAN AVE, Phoenix, AZ 85043

Open in Google Maps ↗

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 Mercedes Johnson's NPI number?

The NPI number for Mercedes Johnson is 1881485589. It was assigned to this individual provider in the NPPES registry on May 14, 2025.

Where is Mercedes Johnson located?

Mercedes Johnson practices at 8102 W Whyman Ave, Phoenix, AZ 85043. The listed phone number is (469) 988-4570.

What is Mercedes Johnson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Mercedes Johnson was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.