Individual provider · Type 1 NPI

Derek Mattern, LMSW

Clinical Social Worker · Queensbury, NY

NPI number 1285532937 Active

Practice location

25 Willowbrook Rd
Queensbury, NY 12804-5882

Call (518) 926-7100 Map

Mailing address

22 US Oval Ste 218
Plattsburgh, NY 12903-5902

Specialties and licenses

TaxonomyCodeLicense
Clinical Social Worker Primary 1041C0700X126537 (NY)

Clinical Social Worker: 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 interpers…

98 other providers at this address

Other clinical social worker providers in Queensbury

See all in Queensbury →

About NPI 1285532937

Derek Mattern, LMSW's National Provider Identifier is 1285532937, issued on Oct 30, 2026. The primary taxonomy on file is Clinical Social Worker (1041C0700X), and the practice location is in Queensbury, NY. The record was last updated on Oct 30, 2026.