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

Dr. Nader Babai Siahdohoni, PHD

Individual provider Clinical Psychologist · NPI 1477876753

Dr. Nader Babai Siahdohoni, PHD is a Clinical Psychologist in Costa Mesa, California. Practices as a sole proprietor. Licensed in Arizona and California.

Licensed in
AZ, CA
In the registry since
2010
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

3151 Airway Ave Ste D2
Costa Mesa, CA 92626-4622
Phone: (949) 769-1372
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY28098 (CA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 4419 (AZ)

Record details

NPI number1477876753
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 1, 2010
Last updated in NPPESFebruary 20, 2024
Certification dateFebruary 20, 2024

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