Psychologist | Clinical Psychology

Dr. Jennifer Callahan, PSY.D

3835 E Thousand Oaks Blvd # 364, Westlake Village, California, 91362-3637

About Dr. Jennifer Callahan

Dr. Jennifer Callahan is a psychologist based in Westlake Village, California who is specialized in Clinical Psychology. Active license number of Dr. Jennifer Callahan is PSY25258 for Clinical Psychology in California. Her current practice location is 3835 E Thousand Oaks Blvd # 364, Westlake Village. Patients can contact her at 818-583-6221. Dr. Jennifer Callahan, PSY.D, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1013354166.

Dr. Jennifer Callahan 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. Jennifer Callahan'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. Jennifer Callahan
Specialization Clinical Psychology
Credentials PSY.D
Gender Female
Practice Address: 3835 E Thousand Oaks Blvd # 364,
Westlake Village, CA - 91362-3637

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 Number1013354166
NPI Enumeration Date: 30 May, 2013
NPI Last Update On: 12 Nov, 2022

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. Jennifer Callahan are as mentioned below.

License NumberSpecializationStateStatus
PSY25258Clinical 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. Jennifer Callahan
3835 E Thousand Oaks Blvd # 364,
Westlake Village, CA - 91362-3637
Phone: 818-583-6221

Book an Appointment with Dr. Jennifer Callahan

To schedule an appointment, contact Dr. Jennifer Callahan at 3835 E Thousand Oaks Blvd # 364, Westlake Village, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Jennifer Callahan:

Dr. Jennifer Callahan 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. Jennifer Callahan 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. Jennifer Callahan practices at 3835 E Thousand Oaks Blvd # 364, Westlake Village, California, 91362-3637.

To schedule an appointment with Dr. Jennifer Callahan, please contact the office at 818-583-6221.

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