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STUART DONALD SLATER
NPI 1851856751
Peer Specialist in Fullerton, CA

Active since February 05, 2019
1501 E ORANGETHORPE AVE STE 200, FULLERTON, CA 92831(714) 254-8473 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 16, 2026, Sep 2, 2025, Jul 3, 2023 and 1 more (4 updates tracked since 2019).

About Stuart Donald Slater NPPES

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

STUART DONALD SLATER (NPI 1851856751) is an individual peer specialist in Fullerton, California, licensed in California (MPSS-2OIVZD) and active in the NPI registry since February 2019.

NPPES Registry Identity

NPI1851856751
Entity TypeIndividualMale
Primary Taxonomy175T00000X
Provider Legal NameSTUART DONALD SLATER
Location Address1501 E ORANGETHORPE AVE STE 200Fullerton, CA 92831-5205
Mailing Address1501 E Orangethorpe Ave Ste 200Fullerton, CA 92831-5205 · (714) 254-8473
Phone(714) 254-8473
Sole ProprietorNo
Enumeration DateFebruary 5, 2019
Last NPPES UpdateJanuary 16, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2026
✔ NPI 1851856751 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPeer SpecialistOther Service Providers
Taxonomy Code175T00000X
License✔ Licensed in CA · MPSS-2OIVZD
Definition

Individuals certified to perform peer support services through a training process defined by a government agency, such as the Department of Veterans Affairs or a state mental health department/certification/licensing authority.

1501 E ORANGETHORPE AVE STE 200, Fullerton, CA 92831
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Other Providers at the Same Location NPPES 18

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

CELESTE MARIA ROBLES
Marriage & Family Therapist
1501 E ORANGETHORPE AVE STE 200
FULLERTON, CA 92831
Orange County (714) 254-8473
VANCLEIBER FRANCO
Marriage & Family Therapist
1501 E ORANGETHORPE AVE STE 200
FULLERTON, CA 92831
Orange County (714) 254-8473
KIMBERLY CRUZ-BAHENA
Marriage & Family Therapist
1501 E ORANGETHORPE AVE STE 200
FULLERTON, CA 92831
Orange County (714) 254-8473
VICTORIA NICOLE SANCHEZ
Marriage & Family Therapist
1501 E ORANGETHORPE AVE STE 200
FULLERTON, CA 92831
Orange County (714) 254-8473
VIOLET MARIE RAMIREZ
Marriage & Family Therapist
1501 E ORANGETHORPE AVE STE 200
FULLERTON, CA 92831
Orange County (714) 254-8473
PATHWAYS COMMUNITY SERVICES LLC
Community/Behavioral Health
1501 E ORANGETHORPE AVE STE 200
FULLERTON, CA 92831
Orange County (714) 254-8473
MISAEL AVILA
Student in an Organized Health Care Education/Training Program
1501 E ORANGETHORPE AVE STE 200
FULLERTON, CA 92831
Orange County (714) 254-8473
ANA KAREN SANCHEZ PALAFOX
Student in an Organized Health Care Education/Training Program
1501 E ORANGETHORPE AVE STE 200
FULLERTON, CA 92831
Orange County (714) 254-8473

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 Stuart Slater's NPI number?

The NPI number for Stuart Slater is 1851856751. It was assigned to this individual provider in the NPPES registry on February 5, 2019.

Where is Stuart Slater located?

Stuart Slater practices at 1501 E Orangethorpe Ave Ste 200, Fullerton, CA 92831. The listed phone number is (714) 254-8473.

What is Stuart Slater's specialty?

The primary specialty registered for this NPI is Peer Specialist with taxonomy code 175T00000X.

When was this NPI record last updated?

The NPPES record for Stuart Slater was last updated on January 16, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.