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

Mrs. Diane S. Demain, RN

Individual provider Diabetes Educator Registered Nurse · NPI 1447488960

Mrs. Diane S. Demain, RN is a Diabetes Educator Registered Nurse in Greenwich, Connecticut. Licensed in Connecticut. Registered with an NPI since 2009.

Licensed in
CT
In the registry since
2009
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

5 Perryridge Rd
Greenwich, CT 06830-4608
Phone: (203) 863-3786
Fax: (203) 863-4445
Show map & directions

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

Specialties & licences

Diabetes Educator Registered Nurse (primary) Taxonomy 163WD0400X · Licence R35320 (CT)

Record details

NPI number1447488960
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedJune 23, 2009
Last updated in NPPESJune 23, 2009