Mental Health Therapist

Guillermo R Trejo, M.A. MFT

6738 Manassas Dr, San Antonio, Texas, 78240-2843

About Guillermo R Trejo

Guillermo R Trejo is a therapist based in San Antonio, Texas who is specialized in Mental Health Counselor. Active license number of Guillermo R Trejo is 98386 for Mental Health Counselor in Texas. His current practice location is 6738 Manassas Dr, San Antonio. Patients can reach him at 210-642-9483. Guillermo R Trejo is M.A. MFT in Mental Health Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1316802218.

Guillermo R Trejo is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Practice Information

Guillermo R Trejo speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Guillermo R Trejo
Specialization Mental Health Counselor
Credentials M.A. MFT
Gender Male
Practice Address: 6738 Manassas Dr,
San Antonio, TX - 78240-2843

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1316802218
NPI Enumeration Date: 22 Dec, 2025
NPI Last Update On: 22 Dec, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Guillermo R Trejo are as mentioned below.

License NumberSpecializationStateStatus
98386Mental Health Counselor TexasPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Guillermo R Trejo
6738 Manassas Dr,
San Antonio, TX - 78240-2843
Phone: 210-642-9483

Book an Appointment with Guillermo R Trejo

To schedule an appointment, contact Guillermo R Trejo at 6738 Manassas Dr, San Antonio, Texas or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Guillermo R Trejo:

Guillermo R Trejo is a therapist specializing in Mental Health Counselor. He is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. He assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.

Yes, Guillermo R Trejo is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Guillermo R Trejo practices at 6738 Manassas Dr, San Antonio, Texas, 78240-2843.

To schedule an appointment with Guillermo R Trejo, please contact the office at 210-642-9483.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.