Psychologist | General Psychology

Thomas Treadwell, PHD

3535 Market St, 2nd Floor, Philadelphia, Pennsylvania, 19104-3309

About Thomas Treadwell

Thomas Treadwell is a psychologist based in Philadelphia, Pennsylvania who is specialized in General Psychology. Active license number of Thomas Treadwell is PS000300L for General Psychology in Pennsylvania. His current practice location is 3535 Market St, 2nd Floor, Philadelphia. Patients can contact him at 215-746-0448 or can fax him at 215-898-1865. Thomas Treadwell, PHD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1285640342.

Thomas Treadwell is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Thomas Treadwell'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 Thomas Treadwell
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 3535 Market St, 2nd Floor
Philadelphia, PA - 19104-3309
Fax 215-898-1865

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 Number1285640342
NPI Enumeration Date: 31 Jul, 2006
NPI Last Update On: 08 Jul, 2007

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 Thomas Treadwell are as mentioned below.

License NumberSpecializationStateStatus
PS000300LGeneral 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.

Thomas Treadwell
3535 Market St, 2nd Floor
Philadelphia, PA - 19104-3309
Phone: 215-746-0448
Fax: 215-898-1865

Book an Appointment with Thomas Treadwell

To schedule an appointment, contact Thomas Treadwell at 3535 Market St, 2nd Floor, Philadelphia, Pennsylvania or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Thomas Treadwell:

Thomas Treadwell is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Thomas Treadwell 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.

Thomas Treadwell practices at 3535 Market St, 2nd Floor, Philadelphia, Pennsylvania, 19104-3309.

To schedule an appointment with Thomas Treadwell, please contact the office at 215-746-0448.

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