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DR. HOLLIS CHEONG TSOI PSY.D.
NPI 1588919377
Psychologist - Clinical in Carlsbad, CA

Active since July 17, 2012
5838 EDISON PL STE 100, CARLSBAD, CA 92008(626) 272-4967 Get Directions Write a Review

NPPES record last updated: July 21, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 5, 2019, Nov 24, 2015, Nov 13, 2015 (3 updates tracked since 2015).

About Dr. Hollis Cheong Tsoi Psy.d. NPPES

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

DR. HOLLIS CHEONG TSOI PSY.D. (NPI 1588919377) is an individual clinical provider in Carlsbad, California, licensed in California (30778) and active in the NPI registry since July 2012.

NPPES Registry Identity

NPI1588919377
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. HOLLIS CHEONG TSOICredential: PSY.D.
Location Address5838 EDISON PL STE 100Carlsbad, CA 92008-5520
Mailing AddressPo Box 2441San Gabriel, CA 91778-2441 · (626) 272-4967
Phone(626) 272-4967
Sole ProprietorYes
Enumeration DateJuly 17, 2012
Last NPPES UpdateJuly 21, 20253 updates tracked since enumeration
NPPES CertifiedJuly 21, 2025
✔ NPI 1588919377 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 · 30778
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.
5838 EDISON PL STE 100, Carlsbad, CA 92008
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Other Providers at the Same Location NPPES 20

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

DR. DILRANI BHADARE PSY.D.
Psychologist (Clinical)
5838 EDISON PL STE 100
CARLSBAD, CA 92008
San Diego County (707) 331-0739
DR. ANDREA LAU KAO PSY.D.
Psychologist (Clinical)
5838 EDISON PL STE 100
CARLSBAD, CA 92008
San Diego County (760) 300-3664
EMAKA TAKASHIMA
Nurse Practitioner (Psychiatric/Mental Health)
5838 EDISON PL STE 100
CARLSBAD, CA 92008
San Diego County (800) 275-3243
DR. EBELE CHRISTINA OKONKWO-ANWASI PH.D
Psychologist (Clinical)
5838 EDISON PL STE 100
CARLSBAD, CA 92008
San Diego County (800) 275-3243
DR. ERIC KENNETH ANDERSON JR. PH.D.
Psychologist (Clinical)
5838 EDISON PL STE 100
CARLSBAD, CA 92008
San Diego County (888) 307-0893
NORMA JEAN HIRSCH PHD
Psychologist (Clinical)
5838 EDISON PL STE 100
CARLSBAD, CA 92008
San Diego County (760) 300-3664
OUTPATIENT BEHAVIORAL HEALTH SERVICES OF WISCONSIN, S.C.
Psychologist (Clinical)
5838 EDISON PL STE 100
CARLSBAD, CA 92008
San Diego County (888) 515-3834
DR. CHARLYNN ANNE ODAHL PHD
Psychologist (Clinical)
5838 EDISON PL STE 100
CARLSBAD, CA 92008
San Diego County (760) 300-3664

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 Hollis Tsoi's NPI number?

The NPI number for Hollis Tsoi is 1588919377. It was assigned to this individual provider in the NPPES registry on July 17, 2012.

Where is Hollis Tsoi located?

Hollis Tsoi practices at 5838 Edison Pl Ste 100, Carlsbad, CA 92008. The listed phone number is (626) 272-4967.

What is Hollis Tsoi'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 Hollis Tsoi was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.