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

Shelley Victoria Halligan, PMHNP

Individual provider Adult Psychiatric/Mental Health Registered Nurse · NPI 1871950477

Shelley Victoria Halligan, PMHNP is an Adult Psychiatric/Mental Health Registered Nurse in North Haven, Connecticut. Licensed in Connecticut. Registered with an NPI since 2016.

Licensed in
CT
In the registry since
2016
Specialties on file
2
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

See every abbreviation used in this directory →

Practice location Address checks out

556 Washington Ave
North Haven, CT 06473-1149
Phone: (203) 779-5799
Fax: (203) 421-6830
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 7829 (CT)
Adult Psychiatric/Mental Health Registered Nurse Taxonomy 163WP0809X · Licence 076207 (CT)

Record details

NPI number1871950477
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP
Sole proprietorNo
NPI enumeratedJanuary 27, 2016
Last updated in NPPESMarch 5, 2019