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

Mrs. Rebecca Ellefsen, LMSW

Individual provider Social Worker · NPI 1245900943

Mrs. Rebecca Ellefsen, LMSW is a Social Worker in Middletown, New York. Licensed in New York. Registered with an NPI since 2021.

Licensed in
NY
In the registry since
2021
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

See every abbreviation used in this directory →

Practice location Address checks out

350 S Centerville Rd
Middletown, NY 10940-8458
Phone: (845) 430-9443
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Social Worker (primary) Taxonomy 104100000X · Licence 10441601 (NY)

Record details

NPI number1245900943
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedSeptember 15, 2021
Last updated in NPPESSeptember 15, 2021
Certification dateSeptember 11, 2021

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