Mr. Antonio Casillas Jr. is a Montclair, California based psychologist who is specialized in School Psychology. His current practice location is 10200 Lehigh Ave, Montclair. Patients can reach him at 909-624-5697 or can fax him at 909-445-1613. Mr. Antonio Casillas Jr. NPI number (Unique professional ID assigned by NPPES) is 1538024807.
Mr. Antonio Casillas Jr. apply 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.
Complete Profile:
Mr. Antonio Casillas Jr. speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Mr. Antonio Casillas Jr. |
| Specialization: | School Psychology |
| Gender: | Male |
| Practice Address: | 10200 Lehigh Ave, Montclair,
California, 91763-3550 |
| Phone: | 909-624-5697 |
| Fax: | 909-445-1613 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1538024807 |
| NPI Enumeration Date: | 18 Dec, 2025 |
| NPI Last Update On: | 18 Dec, 2025 |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Mr. Antonio Casillas Jr.
950 W D St,
Ontario, California |
| Zip: | 91762-3026 |
| Phone Number: | 909-459-2500 |
| Fax Number: | 909-459-2542 |
Patients can reach Mr. Antonio Casillas Jr. at
10200 Lehigh Ave, Montclair, California or can
call to book an appointment on 909-624-5697.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 February, 2026.