Psychologist | Clinical Psychology

Dr. Diana Karjoo, PH.D.

16220 Scientific, Irvine, California, 92618-4349

About Dr. Diana Karjoo

Dr. Diana Karjoo is a psychologist based in Irvine, California who is specialized in Clinical Psychology. Active license number of Dr. Diana Karjoo is PSY22848 for Clinical Psychology in California. Her current practice location is 16220 Scientific, Irvine. Patients can contact her at 949-654-2424 or can fax her at 949-654-2428. Dr. Diana Karjoo, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1306282108.

Dr. Diana Karjoo 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. Diana Karjoo'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. Diana Karjoo
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 16220 Scientific,
Irvine, CA - 92618-4349
Fax 949-654-2428

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 Number1306282108
NPI Enumeration Date: 20 May, 2013
NPI Last Update On: 20 May, 2013

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. Diana Karjoo are as mentioned below.

License NumberSpecializationStateStatus
PSY22848Clinical 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. Diana Karjoo
16220 Scientific,
Irvine, CA - 92618-4349
Phone: 949-654-2424
Fax: 949-654-2428

Book an Appointment with Dr. Diana Karjoo

To schedule an appointment, contact Dr. Diana Karjoo at 16220 Scientific, Irvine, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Diana Karjoo:

Dr. Diana Karjoo 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. Diana Karjoo 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. Diana Karjoo practices at 16220 Scientific, Irvine, California, 92618-4349.

To schedule an appointment with Dr. Diana Karjoo, please contact the office at 949-654-2424.

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