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

Dianna M. Otieno, LCSW

Individual provider Mental Health Counselor · NPI 1306893946

Dianna M. Otieno, LCSW is a Mental Health Counselor in Hyannis, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

460 W Main St
Hyannis, MA 02601-3653
Phone: (508) 790-3360
Fax: (508) 790-3378
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 2026406 (MA)

Record details

NPI number1306893946
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedMay 28, 2006
Last updated in NPPESJanuary 30, 2009

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