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

MS. Ellen Deffes, MSCCC/SLP

Individual provider Speech-Language Pathologist · NPI 1336384692

MS. Ellen Deffes, MSCCC/SLP is a Speech-Language Pathologist in Syosset, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2008

Practice location Address checks out

47 Humphrey Dr
Syosset, NY 11791-6012
Phone: (516) 921-7171
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 007759-1 (NY)

Record details

NPI number1336384692
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSCCC/SLP
Sole proprietorYes
NPI enumeratedDecember 15, 2008
Last updated in NPPESDecember 15, 2008
Mailing address85 Wagon Rd, Roslyn Heights, NY 11577-1541

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