MATTHEW GARTHWAIT
NPI 1578929337
Social Worker - Clinical in Rye, NH
About Matthew Garthwait NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW GARTHWAIT (NPI 1578929337) is an individual clinical provider in Rye, New Hampshire, licensed in New Hampshire (2399) and active in the NPI registry since January 2016.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RYE, NH 03870
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Matthew Garthwait's NPI number?
The NPI number for Matthew Garthwait is 1578929337. It was assigned to this individual provider in the NPPES registry on January 11, 2016.
Where is Matthew Garthwait located?
Matthew Garthwait practices at 1245 Washington Rd, Rye, NH 03870. The listed phone number is (603) 969-7842.
What is Matthew Garthwait's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
What insurance does Matthew Garthwait accept?
Health plans from WellSense Health Plan list Matthew Garthwait as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Matthew Garthwait was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.