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DIANNE LYNN MACKELLAR LMHC LMFT CADAC
NPI 1083745418
Marriage & Family Therapist in Oak Bluffs, MA

Active since March 08, 2007
34 BAYES HILL RD, OAK BLUFFS, MA 02557(508) 693-7996 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dianne Lynn Mackellar Lmhc Lmft Cadac NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANNE LYNN MACKELLAR LMHC LMFT CADAC (NPI 1083745418) is an individual marriage & family therapist in Oak Bluffs, Massachusetts, licensed in (834) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1083745418
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameDIANNE LYNN MACKELLARCredential: LMHC LMFT CADAC
Location Address34 BAYES HILL RDOak Bluffs, MA 02557
Mailing AddressBox 2287Vineyard Haven, MA 02568 · (508) 693-5890
Phone(508) 693-7996
Sole ProprietorNo
Enumeration DateMarch 8, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1083745418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed · 834
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 1978 (MA)
34 BAYES HILL RD, Oak Bluffs, MA 02557
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dianne Mackellar's NPI number?

The NPI number for Dianne Mackellar is 1083745418. It was assigned to this individual provider in the NPPES registry on March 8, 2007.

Where is Dianne Mackellar located?

Dianne Mackellar practices at 34 Bayes Hill Rd, Oak Bluffs, MA 02557. The listed phone number is (508) 693-7996.

What is Dianne Mackellar's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Dianne Mackellar was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.