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

MS. Jillian Marie O'Toole, MS, CGC

Individual provider Genetic Counselor (M.S.) · NPI 1962361527

MS. Jillian Marie O'Toole, MS, CGC is a Genetic Counselor (M.S.) in Brookline, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2026.

Licensed in
MA
In the registry since
2026
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

2 Brookline Pl
Brookline, MA 02445-7230
Phone: (617) 355-3645
Fax: (617) 730-0340
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 · Licence GC10220 (MA)

Record details

NPI number1962361527
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CGC
Sole proprietorNo
NPI enumeratedJanuary 20, 2026
Last updated in NPPESJanuary 20, 2026
Certification dateJanuary 20, 2026

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