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

Dr. J. Gregory Turnbull, PSYD

Individual provider Psychologist · NPI 1629034582

Dr. J. Gregory Turnbull, PSYD is a Psychologist in Kailua, Hawaii. Practices as a sole proprietor. Licensed in Hawaii.

Licensed in
HI
In the registry since
2006
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

603 Paopua Loop
Kailua, HI 96734-3535
Phone: (808) 398-8666
Fax: (888) 527-8662
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY 929 (HI)

Record details

NPI number1629034582
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedApril 20, 2006
Last updated in NPPESMarch 15, 2014

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