Individual provider · Type 1 NPI

Karen Janet Terwilliger, MS, APRN, AGPCNP-BC

Gerontology Nurse Practitioner · Mystic, CT

NPI number 1245616705 Active

About NPI 1245616705

Karen Janet Terwilliger, MS, APRN, AGPCNP-BC's National Provider Identifier is 1245616705, issued on Aug 7, 2015. The primary taxonomy on file is Gerontology Nurse Practitioner (363LG0600X), and the practice location is in Mystic, CT. The record was last updated on Jun 2, 2026.