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

Iris S Guillemette, MSN, APRN, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1477987923

Iris S Guillemette, MSN, APRN, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner in Torrington, Connecticut. Licensed in Connecticut. Registered with an NPI since 2013.

Licensed in
CT
In the registry since
2013
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

See every abbreviation used in this directory →

Practice location Address checks out

540 Litchfield St Memorial Bldg 2ND Fl
Torrington, CT 06790-6679
Phone: (860) 496-6350
Fax: (860) 496-6713
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 5495 (CT)

Record details

NPI number1477987923
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , APRN , PMHNP-BC
Sole proprietorNo
NPI enumeratedSeptember 1, 2013
Last updated in NPPESSeptember 1, 2013

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