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

Nelvi Diaz, LSW

Individual provider Behavior Analyst · NPI 1790264844

Nelvi Diaz, LSW is a Behavior Analyst in Lawrence, Massachusetts. Works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2018
What do these letters mean?
LSW — Licensed Social Worker
A state-licensed social worker.

See every abbreviation used in this directory →

Practice location Address checks out

280 Merrimack St Fl 3
Lawrence, MA 01843-1779
Phone: (707) 706-3584
Show map & directions

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

Additional practice locations (1)

  • 270 Canal St Apt 406, Lawrence, MA 01840-1451 — (707) 706-3584

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X · Licence 1-19-39409 (MA)

Record details

NPI number1790264844
Entity typeIndividual (Type 1)
GenderFemale
Credentials LSW
Sole proprietorNo
NPI enumeratedAugust 9, 2018
Last updated in NPPESFebruary 24, 2020
Certification dateFebruary 24, 2020

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