Individual provider · Type 1 NPI

Guillermo R. Trejo, M.A. MFT

Mental Health Counselor · San Antonio, TX

NPI number 1316802218 Active

About NPI 1316802218

Guillermo R. Trejo, M.A. MFT's National Provider Identifier is 1316802218, issued on Dec 22, 2025. The primary taxonomy on file is Mental Health Counselor (101YM0800X), and the practice location is in San Antonio, TX. The record was last updated on Dec 22, 2025.