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

Dr. Diana Hearst Ikeda, PHD

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1124146717

Dr. Diana Hearst Ikeda, PHD is an Addiction (Substance Use Disorder) Counselor in Duxbury, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
Specialties on file
10
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

20 Tremont St Ste 12 A
Duxbury, MA 02332-5310
Phone: (781) 934-6390
Fax: (781) 934-9991
Show map & directions

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

Specialties & licences

Cognitive & Behavioral Psychologist (primary) Taxonomy 103TB0200X · Licence 6917 (MA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence 6917 (MA)
Mental Health Counselor Taxonomy 101YM0800X · Licence 6917 (MA)
Psychologist Taxonomy 103T00000X · Licence 6917 (MA)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence 6917 (MA)
Adult Development & Aging Psychologist Taxonomy 103TA0700X · Licence 6917 (MA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 6917 (MA)
Counseling Psychologist Taxonomy 103TC1900X · Licence 6917 (MA)
Clinical Child & Adolescent Psychologist Taxonomy 103TC2200X · Licence 6917 (MA)
Family Psychologist Taxonomy 103TF0000X · Licence 6917 (MA)

Record details

NPI number1124146717
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedMarch 26, 2007
Last updated in NPPESDecember 13, 2013