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

Dianne Lynn Mackellar, LMHCLMFTCADAC

Individual provider Mental Health Counselor · NPI 1083745418

Dianne Lynn Mackellar, LMHCLMFTCADAC is a Mental Health Counselor in Oak Bluffs, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
Specialties on file
2

Practice location Address checks out

34 Bayes Hill Rd
Oak Bluffs, MA 02557
Phone: (508) 693-7996
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 834
Mental Health Counselor Taxonomy 101YM0800X · Licence 1978 (MA)

Record details

NPI number1083745418
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMHCLMFTCADAC
Sole proprietorNo
NPI enumeratedMarch 8, 2007
Last updated in NPPESSeptember 11, 2025

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