Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Christina Diane Marrero-Howieson, PSYD

Individual provider Health Service Psychologist · NPI 1639329469

Dr. Christina Diane Marrero-Howieson, PSYD is a Health Service Psychologist in Santa Monica, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
Specialties on file
2
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

2510 Main St Ste 201
Santa Monica, CA 90405
Phone: (424) 346-2745
Fax: (310) 392-6043
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY23017 (CA)
Health Service Psychologist Taxonomy 103TH0100X · Licence DMH WAIVER (CA)

Record details

NPI number1639329469
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedSeptember 29, 2008
Last updated in NPPESJuly 21, 2022

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