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

Sarah Byrne LICSW LLC

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1255215166

Sarah Byrne LICSW LLC is a Mental Health Clinic/Center (Including Community Mental Health Center) in Portsmouth, New Hampshire. Registered with an NPI since 2025.

In the registry since
2025
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

20 Ladd St Ste 404
Portsmouth, NH 03801-4080
Phone: (207) 507-7342
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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 number1255215166
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sarah Byrne — Licsw · (207) 507-7342
NPI enumeratedAugust 4, 2025
Last updated in NPPESAugust 4, 2025
Certification dateAugust 4, 2025
Mailing address20 Ladd St Ste 404, Portsmouth, NH 03801-4080

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