Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MRS. LEIGH MERRITT SLOSS MSW
NPI 1942111224
Social Worker - Clinical in Exeter, NH

Active since September 15, 2026
25 GREENLEAF DR, EXETER, NH 03833(603) 531-0014 Get Directions Write a Review

NPPES record added: September 15, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mrs. Leigh Merritt Sloss Msw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. LEIGH MERRITT SLOSS MSW (NPI 1942111224) is an individual clinical provider in Exeter, New Hampshire, licensed in New Hampshire (2205) and active in the NPI registry since September 2026. She maintains a secondary practice location in Durham.

NPPES Registry Identity

NPI1942111224
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. LEIGH MERRITT SLOSSCredential: MSW
Location Address25 GREENLEAF DRExeter, NH 03833-4532
Mailing Address25 Greenleaf DrExeter, NH 03833-4532 · (603) 531-0014
Sole ProprietorYes
Enumeration DateSeptember 15, 2026
NPPES CertifiedSeptember 15, 2026
✔ NPI 1942111224 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NH · 2205
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
25 GREENLEAF DR, Exeter, NH 03833

Secondary Practice Location 1

Location 144 Newmarket RdDurham, NH 03824-2826 · Phone (603) 226-1999 ext. 118

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 Leigh Sloss's NPI number?

The NPI number for Leigh Sloss is 1942111224. It was assigned to this individual provider in the NPPES registry on September 15, 2026.

Where is Leigh Sloss located?

Leigh Sloss practices at 25 Greenleaf Dr, Exeter, NH 03833. The listed phone number is (603) 531-0014.

What is Leigh Sloss's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Leigh Sloss was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 59 days 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.