Psychologist | General Psychology

Dr. Janna Maria Casillas, PSYD

16465 Sierra Lakes Pkwy Ste 140, Fontana, California, 92336-1242

About Dr. Janna Maria Casillas

Dr. Janna Maria Casillas is a psychologist based in Fontana, California who is specialized in General Psychology. Active license number of Dr. Janna Maria Casillas is 34680 for General Psychology in California. Her current practice location is 16465 Sierra Lakes Pkwy Ste 140, Fontana. Patients can contact her at 909-244-9593 or can fax her at 833-903-0337. Dr. Janna Maria Casillas, PSYD, specializes in General Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1235904111.

Dr. Janna Maria Casillas is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Janna Maria Casillas'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 Dr. Janna Maria Casillas
Specialization General Psychology
Credentials PSYD
Gender Female
Practice Address: 16465 Sierra Lakes Pkwy Ste 140,
Fontana, CA - 92336-1242
Fax 833-903-0337

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 Number1235904111
NPI Enumeration Date: 20 Nov, 2023
NPI Last Update On: 11 Jun, 2024

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 Dr. Janna Maria Casillas are as mentioned below.

License NumberSpecializationStateStatus
34680General 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.

Dr. Janna Maria Casillas
262 N Los Robles Ave Apt 114,
Pasadena, CA - 91101-1534
Phone: 817-863-1085

Book an Appointment with Dr. Janna Maria Casillas

To schedule an appointment, contact Dr. Janna Maria Casillas at 16465 Sierra Lakes Pkwy Ste 140, Fontana, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Janna Maria Casillas:

Dr. Janna Maria Casillas is a psychologist specializing in General Psychology. She is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Dr. Janna Maria Casillas 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.

Dr. Janna Maria Casillas practices at 16465 Sierra Lakes Pkwy Ste 140, Fontana, California, 92336-1242.

To schedule an appointment with Dr. Janna Maria Casillas, please contact the office at 909-244-9593.

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