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

Martin T. Bernstein, LICSW, LLC

Organization Clinical Social Worker · NPI 1376424788

Martin T. Bernstein, LICSW, LLC is a Clinical Social Worker 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

230 Lafayette Rd Bldg D Ste 10A
Portsmouth, NH 03801
Phone: (617) 468-8856
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X

Record details

NPI number1376424788
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Martin Bernstein — Owner/Therapist · (617) 468-8856
NPI enumeratedSeptember 11, 2025
Last updated in NPPESJanuary 20, 2026
Certification dateJanuary 20, 2026
Mailing address230 Lafayette Rd, Bldg D, Ste 10a, Portsmouth, NH 03801

Other providers in Portsmouth