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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. BARRY WILLIAM SLONE PH.D.
NPI 1831187285
Psychologist - Clinical in Aliso Viejo, CA

Active since October 10, 2005
24502 PACIFIC PARK DR, SUITE 101, ALISO VIEJO, CA 92656(949) 599-3044(949) 643-9628 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Barry William Slone Ph.d. NPPES

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

DR. BARRY WILLIAM SLONE PH.D. (NPI 1831187285) is an individual clinical provider in Aliso Viejo, California, licensed in California (PSY8916) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1831187285
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. BARRY WILLIAM SLONECredential: PH.D.
Location Address24502 PACIFIC PARK DR, SUITE 101Aliso Viejo, CA 92656-3043
Mailing Address24502 Pacific Park Dr, Suite 101Aliso Viejo, CA 92656-3043 · (949) 599-3044 · Fax (949) 643-9628
Phone(949) 599-3044
Fax(949) 643-9628
Sole ProprietorNo
Enumeration DateOctober 10, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1831187285 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY8916
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
24502 PACIFIC PARK DR, Aliso Viejo, CA 92656
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Other Providers at the Same Location NPPES 15

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

DR. DAVID CHRISTIAN PEIRCE PHD
Psychologist (Clinical)
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Orange County (949) 425-3000
MS. CYNTHIA ELAINE ROE LCSW
Social Worker (Clinical)
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Orange County (714) 223-2604
ADVANCED OB/GYN & INFERTILITY MEDICAL GROUP INC
Specialist
24502 PACIFIC PARK DR, SUITE 105
ALISO VIEJO, CA 92656
Orange County (949) 362-1515
KAISER FOUNDATION HEALTH PLAN INC
Pharmacy (Community/Retail Pharmacy)
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Orange County (866) 352-9101
CHAD MICHAEL ABBOTT MD
Family Medicine
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Orange County (949) 425-3221
DR. JESSE KENDALL JOHNSON DDS
Dentist
24502 PACIFIC PARK DR, 106
ALISO VIEJO, CA 92656
Orange County (949) 831-1946
LAUREN MARY MCNALLY M.A.
Marriage & Family Therapist
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Orange County (714) 644-6088
ELIZABETH VIRGINIA DEMPSEY LCSW
Social Worker (Clinical)
24502 PACIFIC PARK DR
ALISO VIEJO, CA 92656
Orange County (714) 644-6088

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 Barry Slone's NPI number?

The NPI number for Barry Slone is 1831187285. It was assigned to this individual provider in the NPPES registry on October 10, 2005.

Where is Barry Slone located?

Barry Slone practices at 24502 Pacific Park Dr Suite 101, Aliso Viejo, CA 92656. The listed phone number is (949) 599-3044.

What is Barry Slone's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Barry Slone was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.