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

Dr. Errol Roy Hamarat, PHD

Individual provider Psychologist · NPI 1578773735

Dr. Errol Roy Hamarat, PHD is a Psychologist in Honolulu, Hawaii. Practices as a sole proprietor. Licensed in Hawaii.

Licensed in
HI
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

445 Seaside Ave # 3611
Honolulu, HI 96815-2640
Phone: (808) 554-6323
Fax: (808) 523-1997
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY-834 (HI)

Record details

NPI number1578773735
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMay 23, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Honolulu