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

MS. Kathleen O'Brien, MS

Individual provider Genetic Counselor (M.S.) · NPI 1730134917

MS. Kathleen O'Brien, MS is a Genetic Counselor (M.S.) in Syosset, New York. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

575 Underhill Blvd
Syosset, NY 11791-3426
Phone: (516) 677-3981
Fax: (516) 677-6631
Show map & directions

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

Specialties & licences

Genetic Counselor (M.S.) (primary) Taxonomy 170300000X

Record details

NPI number1730134917
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS
Sole proprietorNo
NPI enumeratedMay 24, 2006
Last updated in NPPESJuly 13, 2026