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

Individual provider Family Nurse Practitioner · NPI 1609388560

Heather Demassa, APRN, RN, IBCLC is a Family Nurse Practitioner in Darien, Connecticut. Works from 2 locations. Licensed in Connecticut.

Licensed in
CT
In the registry since
2017
Specialties on file
2
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

36 Grove Street 1st Fl
Darien, CT 06840-5329
Phone: (203) 276-4282
Fax: (203) 276-8585
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 27 Hospital Ave Suite 303, Danbury, CT 06810-2110 — (203) 798-0500

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 7134 (CT)
Lactation Consultant (Registered Nurse) Taxonomy 163WL0100X · Licence 89408 (CT)

Record details

NPI number1609388560
Entity typeIndividual (Type 1)
GenderFemale
Credentials APRN , RN , IBCLC
Sole proprietorNo
NPI enumeratedNovember 1, 2017
Last updated in NPPESJune 12, 2024
Certification dateJune 12, 2024

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