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

Gillian Sabbagh, MS, CNS, LDN

Individual provider Nutritionist · NPI 1700500113

Gillian Sabbagh, MS, CNS, LDN is a Nutritionist in Chestnut Hill, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2022
What do these letters mean?
MS — Master of Science
A graduate science degree.
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.
LDN — Licensed Dietitian Nutritionist
A state-licensed dietitian nutritionist.

See every abbreviation used in this directory →

Practice location Address checks out

12 Middlesex Rd Unit 67047
Chestnut Hill, MA 02467-6702
Phone: (617) 640-1380
Show map & directions

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

Specialties & licences

Nutritionist (primary) Taxonomy 133N00000X · Licence 5462 (MA)

Record details

NPI number1700500113
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CNS , LDN
Sole proprietorYes
NPI enumeratedSeptember 29, 2022
Last updated in NPPESSeptember 29, 2022
Certification dateSeptember 27, 2022