Psychologist | Clinical Psychology

Dr. Olga Gabriela Castillo, PSY.D.

250 W 1st St Ste 312, Claremont, California, 91711-4740

About Dr. Olga Gabriela Castillo

Dr. Olga Gabriela Castillo is a psychologist based in Claremont, California who is specialized in Clinical Psychology. Active license number of Dr. Olga Gabriela Castillo is PSY21924 for Clinical Psychology in California. Her current practice location is 250 W 1st St Ste 312, Claremont. Patients can contact her at 562-904-3999. Dr. Olga Gabriela Castillo, PSY.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1801939731.

Dr. Olga Gabriela Castillo is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Olga Gabriela Castillo'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. Olga Gabriela Castillo
Specialization Clinical Psychology
Credentials PSY.D.
Gender Female
Practice Address: 250 W 1st St Ste 312,
Claremont, CA - 91711-4740

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 Number1801939731
NPI Enumeration Date: 14 Feb, 2007
NPI Last Update On: 29 Apr, 2020

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. Olga Gabriela Castillo are as mentioned below.

License NumberSpecializationStateStatus
PSY21924Clinical Psychology CaliforniaPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Olga Gabriela Castillo such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
1801939731MedicaidCalifornia

Mailing Address

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

Dr. Olga Gabriela Castillo
743 Lander Cir,
Claremont, CA - 91711-6215
Phone: 909-994-4515

Book an Appointment with Dr. Olga Gabriela Castillo

To schedule an appointment, contact Dr. Olga Gabriela Castillo at 250 W 1st St Ste 312, Claremont, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Olga Gabriela Castillo:

Dr. Olga Gabriela Castillo is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Olga Gabriela Castillo 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. Olga Gabriela Castillo practices at 250 W 1st St Ste 312, Claremont, California, 91711-4740.

To schedule an appointment with Dr. Olga Gabriela Castillo, please contact the office at 562-904-3999.

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