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

Cassie Lefebvre

Individual provider Behavior Analyst · NPI 1194370528

Cassie Lefebvre is a Behavior Analyst in Haverhill, Massachusetts. Practices as a sole proprietor. Registered with an NPI since 2019.

In the registry since
2019

Practice location Address checks out

74 Buttonwoods Ave
Haverhill, MA 01830-6451
Phone: (978) 501-5459
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X

Record details

NPI number1194370528
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedAugust 2, 2019
Last updated in NPPESAugust 2, 2019
Mailing address74 Buttonwoods Ave, Haverhill, MA 01830-6451

Other providers in Haverhill