Psychologist | Clinical Psychology

Mark Thomas, PHD

750 Washington Rd Ste 19, Pittsburgh, Pennsylvania, 15228-2052

About Mark Thomas

Mark Thomas is a psychologist based in Pittsburgh, Pennsylvania who is specialized in Clinical Psychology. Active license number of Mark Thomas is PS020420 for Clinical Psychology in Pennsylvania. His current practice location is 750 Washington Rd Ste 19, Pittsburgh. Patients can contact him at 412-298-2103. Mark Thomas, PHD, specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1891595005.

Mark Thomas is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Mark Thomas's specialty, 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 Thomas
Specialization Clinical Psychology
Credentials PHD
Gender Male
Practice Address: 750 Washington Rd Ste 19,
Pittsburgh, PA - 15228-2052

Professional Identification Codes

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

NPI Number1891595005
NPI Enumeration Date: 17 Mar, 2025
NPI Last Update On: 12 Nov, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Mark Thomas are as mentioned below.

License NumberSpecializationStateStatus
PS020420Clinical Psychology PennsylvaniaPrimary

Mailing Address

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

Mark Thomas
750 Washington Rd Ste 19,
Pittsburgh, PA - 15228-2052

Book an Appointment with Mark Thomas

To schedule an appointment, contact Mark Thomas at 750 Washington Rd Ste 19, Pittsburgh, Pennsylvania or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Mark Thomas:

Mark Thomas is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Mark Thomas is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Mark Thomas practices at 750 Washington Rd Ste 19, Pittsburgh, Pennsylvania, 15228-2052.

To schedule an appointment with Mark Thomas, please contact the office at 412-298-2103.

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