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

JOHN COSTANZO
NPI 1053243279
Psychologist - School in Monterey Park, CA

Active since June 01, 2026
650 S GRANDRIDGE AVE, MONTEREY PARK, CA 91754(626) 570-6249 Get Directions Write a Review

NPPES record added: June 1, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John Costanzo NPPES

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

JOHN COSTANZO (NPI 1053243279) is an individual school provider in Monterey Park, California, licensed in California (240204609) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1053243279
Entity TypeIndividualMale
Primary Taxonomy103TS0200X
Provider Legal NameJOHN COSTANZO
Location Address650 S GRANDRIDGE AVEMonterey Park, CA 91754-3921
Mailing Address2479 Vista Laguna TerPasadena, CA 91103-1022 · (323) 804-1269
Sole ProprietorNo
Enumeration DateJune 1, 2026
NPPES CertifiedJune 1, 2026
NPI 1053243279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · SchoolBehavioral Health & Social Service Providers
Taxonomy Code103TS0200X
License Licensed in CA · 240204609
Definition
A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development
650 S GRANDRIDGE AVE, Monterey Park, CA 91754

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 John Costanzo's NPI number?

The NPI number for John Costanzo is 1053243279. It was assigned to this individual provider in the NPPES registry on June 1, 2026.

Where is John Costanzo located?

John Costanzo practices at 650 S Grandridge Ave, Monterey Park, CA 91754. The listed phone number is (626) 570-6249.

What is John Costanzo's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in School, with taxonomy code 103TS0200X.

When was this NPI record last updated?

The NPPES record for John Costanzo was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.