Psychologist | Health Service Psychology

Dr. Christina Diane Marrero-howieson, PSY.D.

2510 Main St., Suite 201, Santa Monica, California, 90405

About Dr. Christina Diane Marrero-howieson

Dr. Christina Diane Marrero-howieson is a psychologist based in Santa Monica, California who is specialized in Health Service Psychology. Active license number of Dr. Christina Diane Marrero-howieson is PSY23017 for Clinical Psychology in California. Her current practice location is 2510 Main St., Suite 201, Santa Monica. Patients can contact her at 424-346-2745 or can fax her at 310-392-6043. Dr. Christina Diane Marrero-howieson, PSY.D., specializes in Health Service Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1639329469.

Dr. Christina Diane Marrero-howieson is certified/licensed at the independent practice level in his/her state, and is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

Practice Information

Dr. Christina Diane Marrero-howieson'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. Christina Diane Marrero-howieson
Specialization Health Service Psychology
Credentials PSY.D.
Gender Female
Practice Address: 2510 Main St., Suite 201,
Santa Monica, CA - 90405
Fax 310-392-6043

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 Number1639329469
NPI Enumeration Date: 29 Sep, 2008
NPI Last Update On: 21 Jul, 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. Christina Diane Marrero-howieson are as mentioned below.

License NumberSpecializationStateStatus
PSY23017Clinical Psychology CaliforniaPrimary
DMH WAIVERHealth Service Psychology CaliforniaSecondary

Mailing Address

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

Dr. Christina Diane Marrero-howieson
2510 Main St., Suite 201,
Santa Monica, CA - 90405
Phone: 424-346-2745
Fax: 310-392-6043

Book an Appointment with Dr. Christina Diane Marrero-howieson

To schedule an appointment, contact Dr. Christina Diane Marrero-howieson at 2510 Main St., Suite 201, Santa Monica, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Christina Diane Marrero-howieson:

Dr. Christina Diane Marrero-howieson 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. Christina Diane Marrero-howieson 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. Christina Diane Marrero-howieson practices at 2510 Main St., Suite 201, Santa Monica, California, 90405.

To schedule an appointment with Dr. Christina Diane Marrero-howieson, please contact the office at 424-346-2745.

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