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

Individual provider Psychologist · NPI 1154377901

Dr. George Koumaras, PHD is a Psychologist in San Marcos, California. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

277 Rancheros Dr Ste 301
San Marcos, CA 92069-2993
Phone: (760) 471-4073
Fax: (619) 528-4625
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X

Record details

NPI number1154377901
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 25, 2006
Last updated in NPPESMay 6, 2021
Certification dateMay 6, 2021
Mailing addressPo Box 609001, San Diego, CA 92160-9001

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