Psychologist | General Psychology

Theresa Trevethan, PSY.D.

1489 Baltimore Pike, Suite 250, Springfield, Pennsylvania, 19064-3958

About Theresa Trevethan

Theresa Trevethan is a psychologist based in Springfield, Pennsylvania who is specialized in General Psychology. Active license number of Theresa Trevethan is PS017638 for General Psychology in Pennsylvania. Her current practice location is 1489 Baltimore Pike, Suite 250, Springfield. Patients can contact her at 610-544-2110 or can fax her at 610-446-3169. Theresa Trevethan, PSY.D., specializes in General Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1760736508.

Theresa Trevethan is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She 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

Theresa Trevethan'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 Theresa Trevethan
Specialization General Psychology
Credentials PSY.D.
Gender Female
Practice Address: 1489 Baltimore Pike, Suite 250
Springfield, PA - 19064-3958
Fax 610-446-3169

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 Number1760736508
NPI Enumeration Date: 01 Nov, 2012
NPI Last Update On: 28 Aug, 2014

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 Theresa Trevethan are as mentioned below.

License NumberSpecializationStateStatus
PS017638General 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.

Theresa Trevethan
249 Fox Run Rd,
King Of Prussia, PA - 19406-2222
Phone: 610-363-1488
Fax: 610-363-8273

Book an Appointment with Theresa Trevethan

To schedule an appointment, contact Theresa Trevethan at 1489 Baltimore Pike, Suite 250, Springfield, Pennsylvania or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Theresa Trevethan:

Theresa Trevethan is a psychologist specializing in General Psychology. She is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She 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, Theresa Trevethan 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.

Theresa Trevethan practices at 1489 Baltimore Pike, Suite 250, Springfield, Pennsylvania, 19064-3958.

To schedule an appointment with Theresa Trevethan, please contact the office at 610-544-2110.

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