Psychologist | School Psychology

John Costanzo

650 S Grandridge Ave, Monterey Park, California, 91754-3921

About John Costanzo

John Costanzo is a psychologist based in Monterey Park, California who is specialized in School Psychology. Active license number of John Costanzo is 240204609 for School Psychology in California. His current practice location is 650 S Grandridge Ave, Monterey Park. Patients can contact him at 626-570-6249. John Costanzo NPI number (Unique professional ID assigned by NPPES) is 1053243279.

John Costanzo applies his expertise in mental health, learning, and behavior, to help children and youth succeed academically, socially, behaviorally, and emotionally.
School psychologists are uniquely qualified members of school teams that support students' ability to learn and teachers' ability to teach. They partner with families, teachers, school administrators, and other professionals to create safe, healthy, and supportive learning environments that strengthen connections between home, school, and the community.

Practice Information

John Costanzo's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name John Costanzo
Specialization School Psychology
Gender Male
Practice Address: 650 S Grandridge Ave,
Monterey Park, CA - 91754-3921

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1053243279
NPI Enumeration Date: 01 Jun, 2026
NPI Last Update On: 01 Jun, 2026

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for John Costanzo are as mentioned below.

License NumberSpecializationStateStatus
240204609School Psychology CaliforniaPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

John Costanzo
2479 Vista Laguna Ter,
Pasadena, CA - 91103-1022
Phone: 323-804-1269

Book an Appointment with John Costanzo

To schedule an appointment, contact John Costanzo at 650 S Grandridge Ave, Monterey Park, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John Costanzo:

John Costanzo is a psychologist specializing in School Psychology. He applies his expertise in mental health, learning, and behavior, to help children and youth succeed academically, socially, behaviorally, and emotionally.
School psychologists are uniquely qualified members of school teams that support students' ability to learn and teachers' ability to teach. They partner with families, teachers, school administrators, and other professionals to create safe, healthy, and supportive learning environments that strengthen connections between home, school, and the community.

Yes, John Costanzo is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

John Costanzo practices at 650 S Grandridge Ave, Monterey Park, California, 91754-3921.

To schedule an appointment with John Costanzo, please contact the office at 626-570-6249.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.