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

Dr. Robert Ressler, PHD

Individual provider Psychologist · NPI 1629377353

Dr. Robert Ressler, PHD is a Psychologist in Keaau, Hawaii. Practices as a sole proprietor. Licensed in Hawaii.

Licensed in
HI
In the registry since
2011
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

Hc 1 Box 5386
Keaau, HI 96749-8505
Phone: (808) 937-8926
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 1247 (HI)

Record details

NPI number1629377353
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 21, 2011
Last updated in NPPESMarch 21, 2011
Mailing addressHc 1 Box 5386, Keaau, HI 96749-8505

Other providers in Keaau