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

Mrs. Mary Elizabeth Killeen-McDermott, MA, CCC, SLP

Individual provider Specialist · NPI 1760622542

Mrs. Mary Elizabeth Killeen-McDermott, MA, CCC, SLP is a Specialist in Islip, New York. Licensed in New York. Registered with an NPI since 2009.

Licensed in
NY
In the registry since
2009
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
SLP — Speech-Language Pathologist
Treats speech, language and swallowing disorders.

See every abbreviation used in this directory →

Practice location Address checks out

252 Islip Ave
Islip, NY 11751-3029
Phone: (631) 581-6800
Fax: (631) 581-6814
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 011059-1 (NY)

Record details

NPI number1760622542
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , CCC , SLP
Sole proprietorNo
NPI enumeratedMarch 6, 2009
Last updated in NPPESMarch 6, 2009

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