Individual provider · Type 1 NPI

Greta Katherine Hammer

Mental Health Counselor · Bellingham, WA

NPI number 1770138836 Active

About NPI 1770138836

Greta Katherine Hammer's National Provider Identifier is 1770138836, issued on Aug 6, 2019. The primary taxonomy on file is Mental Health Counselor (101YM0800X), and the practice location is in Bellingham, WA. The record was last updated on Jul 16, 2025.