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

American Pain Institute LLC

Organization Clinical Medical Laboratory · NPI 1578904405

American Pain Institute LLC is a Clinical Medical Laboratory in Portsmouth, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2013.

Licensed in
NH
In the registry since
2013
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

14 Manchester Sq Ste 290
Portsmouth, NH 03801-8001
Phone: (603) 766-8500
Show map & directions

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

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X · Licence 13011 (NH)

Record details

NPI number1578904405
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Joshua Greenspan — Owner · (603) 766-8500
NPI enumeratedJuly 8, 2013
Last updated in NPPESJuly 8, 2013
Mailing address14 Manchester Sq, Suite 290, Portsmouth, NH 03801-8001

Other providers in Portsmouth