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

Katelyn Gelineau, PLLC

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1477015923

Katelyn Gelineau, PLLC is a Mental Health Clinic/Center (Including Community Mental Health Center) in Portsmouth, New Hampshire. Registered with an NPI since 2019.

In the registry since
2019
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

426 Middle St
Portsmouth, NH 03801-5017
Phone: (978) 225-0897
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Clinic/Center (Including Community Mental Health Center) (primary) Taxonomy 261QM0801X

Record details

NPI number1477015923
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Katelyn Gelineau — Manager · (978) 225-0897
NPI enumeratedApril 3, 2019
Last updated in NPPESMay 3, 2019
Mailing address426 Middle St, Portsmouth, NH 03801-5017

Other providers in Portsmouth