Psychologist | General Psychology | 39+ years experience

Ms. Wendy J Terwilliger, MA PSYCHOLOGIST

1008 S 5th Ave, Suite 102, Clarion, Pennsylvania, 16214-8676

About Ms. Wendy J Terwilliger

Ms. Wendy J Terwilliger is a psychologist based in Clarion, Pennsylvania with 39 years of experience in General Psychology. She completed her graduation in 1987. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Ms. Wendy J Terwilliger is PS006309L for General Psychology in Pennsylvania. Her current practice location is 1008 S 5th Ave, Suite 102, Clarion. Patients can contact her at 412-370-4891. Ms. Wendy J Terwilliger, MA PSYCHOLOGIST, specializes in General Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1861564569.

Ms. Wendy J Terwilliger 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

Ms. Wendy J Terwilliger'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 Ms. Wendy J Terwilliger
Specialization General Psychology
Credentials MA PSYCHOLOGIST
Accepts Medicare Assignment Yes
Experience 39+ years
Graduation Year 1987
Gender Female
Practice Address: 1008 S 5th Ave, Suite 102
Clarion, PA - 16214-8676

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.

PAC ID 3173577459
Enrollment ID I20100115000818
NPI Number1861564569
NPI Enumeration Date: 15 Nov, 2006
NPI Last Update On: 23 Feb, 2012

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 Ms. Wendy J Terwilliger are as mentioned below.

License NumberSpecializationStateStatus
PS006309LGeneral Psychology PennsylvaniaPrimary

Other Medical Identifiers

Other professional identifiers associated with Ms. Wendy J Terwilliger such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
007071710MedicaidPennsylvania
2257883MedicaidOhio

Mailing Address

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

Ms. Wendy J Terwilliger
Po Box 98,
Fisher, PA - 16225-0198
Phone: 412-370-4891

Book an Appointment with Ms. Wendy J Terwilliger

To schedule an appointment, contact Ms. Wendy J Terwilliger at 1008 S 5th Ave, Suite 102, Clarion, Pennsylvania or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Ms. Wendy J Terwilliger:

Ms. Wendy J Terwilliger 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.

Ms. Wendy J Terwilliger has approximately 39 years of experience in General Psychology.

Yes, Ms. Wendy J Terwilliger accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Ms. Wendy J Terwilliger 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.

Ms. Wendy J Terwilliger practices at 1008 S 5th Ave, Suite 102, Clarion, Pennsylvania, 16214-8676.

To schedule an appointment with Ms. Wendy J Terwilliger, please contact the office at 412-370-4891.

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