Professional Therapist

Mark William Postell, LPC

18834 Stone Oak Pkwy, Suite 104, San Antonio, Texas, 78258-4113

About Mark William Postell

Mark William Postell is a therapist based in San Antonio, Texas who is specialized in Professional Counselor. Active license number of Mark William Postell is 72513 for Professional Counselor in Texas. His current practice location is 18834 Stone Oak Pkwy, Suite 104, San Antonio. Patients can reach him at 210-710-7999. Mark William Postell is LPC in Professional Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1275065757.

Mark William Postell is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Practice Information

Mark William Postell 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 Mark William Postell
Specialization Professional Counselor
Credentials LPC
Gender Male
Practice Address: 18834 Stone Oak Pkwy, Suite 104
San Antonio, TX - 78258-4113

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 Number1275065757
NPI Enumeration Date: 03 Apr, 2017
NPI Last Update On: 03 Apr, 2017

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 Mark William Postell are as mentioned below.

License NumberSpecializationStateStatus
72513Professional 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.

Mark William Postell
18834 Stone Oak Pkwy, Suite 104
San Antonio, TX - 78258-4113
Phone: 210-710-7999

Book an Appointment with Mark William Postell

To schedule an appointment, contact Mark William Postell at 18834 Stone Oak Pkwy, Suite 104, 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 Mark William Postell:

Mark William Postell is a therapist specializing in Professional Counselor. He is a licensed mental health practitioner trained to help individuals, couples, and groups address emotional, psychological, and behavioral challenges. He uses talk therapy and evidence-based counseling methods to support clients in managing mental health conditions, improving relationships, and developing coping strategies for life’s difficulties.

Yes, Mark William Postell is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Mark William Postell practices at 18834 Stone Oak Pkwy, Suite 104, San Antonio, Texas, 78258-4113.

To schedule an appointment with Mark William Postell, please contact the office at 210-710-7999.

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