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

Dr. Dennis Greenberger, PHD

Individual provider Clinical Psychologist · NPI 1861539009

Dr. Dennis Greenberger, PHD is a Clinical Psychologist in Newport Beach, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

1500 Quail St Ste # 260
Newport Beach, CA 92660-2732
Phone: (949) 222-2848
Fax: (949) 863-1148
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY8533 (CA)

Record details

NPI number1861539009
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJanuary 30, 2007
Last updated in NPPESMarch 9, 2010

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