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

Fiona McBreen, LMSW

Individual provider Clinical Social Worker · NPI 1669164141

Fiona McBreen, LMSW is a Clinical Social Worker in Lake Ronkonkoma, New York. Licensed in New Jersey and New York. Registered with an NPI since 2023.

Licensed in
NJ, NY
In the registry since
2023
Specialties on file
3
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

103 Arlington Rd
Lake Ronkonkoma, NY 11779-1641
Phone: (631) 637-1455
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 121708 (NY)
Clinical Social Worker Taxonomy 1041C0700X · Licence 137318701 (NJ)
Clinical Social Worker Taxonomy 1041C0700X

Record details

NPI number1669164141
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMSW
Sole proprietorNo
NPI enumeratedMay 23, 2023
Last updated in NPPESOctober 20, 2023
Certification dateOctober 20, 2023

Other providers in Lake Ronkonkoma